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layout
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15
.gitignore vendored
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*.iml
.gradle
/local.properties
/.idea/caches
/.idea/libraries
/.idea/modules.xml
/.idea/workspace.xml
/.idea/navEditor.xml
/.idea/assetWizardSettings.xml
.DS_Store
/build
/captures
.externalNativeBuild
.cxx
local.properties

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# Default ignored files
/shelf/
/workspace.xml

6
.idea/compiler.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CompilerConfiguration">
<bytecodeTargetLevel target="11" />
</component>
</project>

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.idea/deploymentTargetDropDown.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="deploymentTargetDropDown">
<targetSelectedWithDropDown>
<Target>
<type value="QUICK_BOOT_TARGET" />
<deviceKey>
<Key>
<type value="VIRTUAL_DEVICE_PATH" />
<value value="$USER_HOME$/.android/avd/Pixel_2_API_29.avd" />
</Key>
</deviceKey>
</Target>
</targetSelectedWithDropDown>
<timeTargetWasSelectedWithDropDown value="2023-02-11T02:46:29.166859Z" />
</component>
</project>

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.idea/gradle.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleMigrationSettings" migrationVersion="1" />
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="testRunner" value="GRADLE" />
<option name="distributionType" value="DEFAULT_WRAPPED" />
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="gradleHome" value="$USER_HOME$/gradle" />
<option name="modules">
<set>
<option value="$PROJECT_DIR$" />
<option value="$PROJECT_DIR$/app" />
</set>
</option>
</GradleProjectSettings>
</option>
</component>
</project>

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.idea/misc.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="DesignSurface">
<option name="filePathToZoomLevelMap">
<map>
<entry key="app/src/main/res/drawable/app_background.xml" value="0.1" />
<entry key="app/src/main/res/drawable/blue_card.xml" value="0.297" />
<entry key="app/src/main/res/drawable/ic_launcher_background.xml" value="0.2285" />
<entry key="app/src/main/res/drawable/red_card.xml" value="0.158" />
<entry key="app/src/main/res/drawable/stop.xml" value="0.158" />
<entry key="app/src/main/res/layout/activity_distance.xml" value="0.22552083333333334" />
<entry key="app/src/main/res/layout/activity_frame.xml" value="0.33" />
<entry key="app/src/main/res/layout/activity_grid.xml" value="0.3375" />
<entry key="app/src/main/res/layout/activity_image_switcher.xml" value="0.22" />
<entry key="app/src/main/res/layout/activity_main.xml" value="0.19172113289760348" />
<entry key="app/src/main/res/layout/activity_main_screen.xml" value="0.22552083333333334" />
<entry key="app/src/main/res/layout/activity_open_glactivity.xml" value="0.30625" />
<entry key="app/src/main/res/layout/activity_relative.xml" value="0.1" />
<entry key="app/src/main/res/layout/activity_scroll.xml" value="0.16508795669824086" />
<entry key="app/src/main/res/layout/activity_table.xml" value="0.24719101123595505" />
<entry key="app/src/main/res/layout/content_main_screen.xml" value="0.22552083333333334" />
<entry key="app/src/main/res/layout/stop.xml" value="0.32760416666666664" />
<entry key="app/src/main/res/layout/test.xml" value="0.41510416666666666" />
<entry key="app/src/main/res/menu/menu_main_screen.xml" value="0.221875" />
</map>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="Android Studio default JDK" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
</component>
<component name="ProjectType">
<option name="id" value="Android" />
</component>
</project>

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app/.gitignore vendored
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/build

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app/build.gradle
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plugins {
id 'com.android.application'
id 'org.jetbrains.kotlin.android'
id 'kotlin-android-extensions'
}
android {
compileSdk 33
defaultConfig {
applicationId "sgd.and04.layout"
minSdk 27
targetSdk 32
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = '1.8'
}
}
dependencies {
implementation 'androidx.core:core-ktx:1.7.0'
implementation 'androidx.appcompat:appcompat:1.6.0'
//noinspection GradleCompatible
// implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.google.android.material:material:1.8.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
implementation fileTree(dir: 'libs', include: ['*.jar'])
// implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7"
//
// implementation 'com.android.support.constraint:constraint-layout:1.1.2'
implementation 'androidx.coordinatorlayout:coordinatorlayout:1.2.0'
testImplementation 'junit:junit:4.13.2'
androidTestImplementation 'androidx.test.ext:junit:1.1.5'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
}

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app/proguard-rules.pro vendored
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# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile

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app/src/androidTest/java/sgd/and04/layout/ExampleInstrumentedTest.kt
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package sgd.and04.layout
import androidx.test.platform.app.InstrumentationRegistry
import androidx.test.ext.junit.runners.AndroidJUnit4
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.Assert.*
/**
* Instrumented test, which will execute on an Android device.
*
* See [testing documentation](http://d.android.com/tools/testing).
*/
@RunWith(AndroidJUnit4::class)
class ExampleInstrumentedTest {
@Test
fun useAppContext() {
// Context of the app under test.
val appContext = InstrumentationRegistry.getInstrumentation().targetContext
assertEquals("sgd.and04.layout", appContext.packageName)
}
}

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app/src/main/AndroidManifest.xml
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="sgd.and04.layout">
<application
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"
android:fullBackupContent="@xml/backup_rules"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.MyApplication"
tools:targetApi="31">
<activity
android:name=".ImageSwitcherActivity"
android:exported="false" />
<activity
android:name=".OpenGLActivity"
android:exported="false" />
<activity
android:name=".ScrollActivity"
android:exported="false" />
<activity
android:name=".GridActivity"
android:exported="false" />
<activity
android:name=".FrameActivity"
android:exported="false" />
<activity
android:name=".RelativeActivity"
android:exported="false" />
<activity
android:name=".TableActivity"
android:exported="false" />
<activity
android:name=".MainActivity"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".MainScreenActivity"
android:exported="false"
android:label="@string/app_name"
android:screenOrientation="portrait"
android:theme="@style/AppNoActionBar">
<intent-filter>
<category android:name="android.intent.category.VOICE" />
<!-- action android:name="com.google.android.gms.actions.SEARCH_ACTION" / -->
<action android:name="android.intent.action.VOICE_COMMAND" />
</intent-filter>
</activity>
<activity android:name=".DistanceActivity" />
</application>
</manifest>

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app/src/main/java/sgd/and04/layout/DistanceActivity.kt
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package sgd.and04.layout
import androidx.appcompat.app.AppCompatActivity
import android.os.Build
import android.os.Bundle
import android.widget.Button
import android.widget.SeekBar
import android.widget.TextView
import androidx.annotation.RequiresApi
import pavelsobolev.kotogl.Helpers.ZObjectsPos
// activity for setting distances of the scene's objects
class DistanceActivity : AppCompatActivity()
{
private var sbars: Array<SeekBar>? = null
private var txts: Array<TextView>? = null
private var txtids: IntArray? = null
private val MIN_DIST = 3
private var i = 0
@RequiresApi(api = Build.VERSION_CODES.N)
override fun onCreate(savedInstanceState: Bundle?)
{
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_distance)
setArraysOfControls()
i = 0
while (i < 5)
{
setDataToInterface(sbars!![i], i, txts!![i])
sbars!![i].setOnSeekBarChangeListener(
object : SeekBar.OnSeekBarChangeListener {
var pos = i
override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean)
{
getDataFromInterface(sbars!![pos], pos, txts!![pos])
}
override fun onStopTrackingTouch(seekBar: SeekBar) {}
override fun onStartTrackingTouch(seekBar: SeekBar) {}
})
i++
}
(findViewById(R.id.buttonOk) as Button).setOnClickListener { view ->
setResult(AppCompatActivity.RESULT_OK)
finish()
}
(findViewById(R.id.buttonCancel) as Button).setOnClickListener { view ->
setResult(AppCompatActivity.RESULT_CANCELED)
finish()
}
}
private fun setArraysOfControls()
{
sbars = arrayOf(
findViewById(R.id.seekBarCentral) as SeekBar,
findViewById(R.id.seekBarLeft) as SeekBar,
findViewById(R.id.seekBarRight) as SeekBar,
findViewById(R.id.seekBarTop) as SeekBar,
findViewById(R.id.seekBarBottom) as SeekBar)
txts = arrayOf(
findViewById(R.id.textViewCenter) as TextView,
findViewById(R.id.textViewLeft) as TextView,
findViewById(R.id.textViewRight) as TextView,
findViewById(R.id.textViewTop) as TextView,
findViewById(R.id.textViewBottom) as TextView)
txtids = intArrayOf(
R.string.center_pos_txt,
R.string.left_pos_txt,
R.string.right_pos_txt,
R.string.top_pos_txt,
R.string.bottom_pos_txt)
}
private fun getDataFromInterface(sb: SeekBar, i: Int, tv: TextView)
{
tv.text = String.format("%s is %d units", getString(txtids!![i]), sb.progress + MIN_DIST)
ZObjectsPos.setPosition(i, -(sb.progress + MIN_DIST))
}
@RequiresApi(api = Build.VERSION_CODES.N)
private fun setDataToInterface(sb: SeekBar, i: Int, tv: TextView)
{
tv.text = String.format("%s is %d units", getString(txtids!![i]), -ZObjectsPos.getPosition(i))
sb.setProgress(-ZObjectsPos.getPosition(i) - MIN_DIST, true)
}
}

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app/src/main/java/sgd/and04/layout/FrameActivity.kt
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package sgd.and04.layout
import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
class FrameActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_frame)
}
fun onLayoutClick(view: View) {
startActivity(Intent(this, MainActivity::class.java))
}
}

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app/src/main/java/sgd/and04/layout/GridActivity.kt
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package sgd.and04.layout
import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
class GridActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_grid)
}
fun onButtonTableLayoutClick(view: View) {
startActivity(Intent(this, TableActivity::class.java))
}
fun onButtonLinearLayoutClick(view: View) {
startActivity(Intent(this, MainActivity::class.java))
}
fun onButtonRelativeLayoutClick(view: View) {
startActivity(Intent(this, RelativeActivity::class.java))
}
fun onButtonFrameLayoutClick(view: View) {
startActivity(Intent(this, FrameActivity::class.java))
}
}

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app/src/main/java/sgd/and04/layout/Helpers/TiltData.kt
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package pavelsobolev.kotogl.Helpers
import java.util.*
// the class calculates angle of tilt of a device (on the base of data from its accelerator)
object TiltData : Observable()
{
private var xTilt : Float = 0.0f
private var yTilt : Float = 0.0f
private var tiltScale : Float = 1.5f
init
{
setData(0.0f,0.0f)
tiltScale = 1.5f
}
// sets new tilt data for current object
fun setData(x:Float, y:Float)
{
if (Math.abs(x)>10 || Math.abs(y)>10) return;
xTilt = x
yTilt = y
setChanged()
notifyObservers()
}
fun getDirection(): TiltDirections
{
return getDirection(xTilt, yTilt)
}
fun getDirection(tiltX:Float, tiltY:Float) : TiltDirections
{
if (Math.abs(Math.abs(tiltX)-Math.abs(tiltY)) <= 3.0)
{
return TiltDirections.UNKNOWN
}
if (Math.abs(tiltX) > Math.abs(tiltY))
{
if (tiltX < 0) return TiltDirections.RIGHT
if (tiltX > 0) return TiltDirections.LEFT
}
else
{
if (tiltY < 0) return TiltDirections.UP
if (tiltY > 0) return TiltDirections.DOWN
}
val threshold = 1.0f
if (tiltX > -threshold && tiltX < threshold && tiltY > -threshold && tiltY < threshold)
{
return TiltDirections.UNKNOWN
}
return TiltDirections.UNKNOWN
}
}

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app/src/main/java/sgd/and04/layout/Helpers/TiltDirections.kt
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package pavelsobolev.kotogl.Helpers
/**
* enumeration describes the possible direction of tilts
* from device's accelerometer
*/
enum class TiltDirections
{
UP, DOWN, LEFT, RIGHT, UNKNOWN
//UNKNOWN means that there is not now strong tilt to some specific direction
}

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app/src/main/java/sgd/and04/layout/Helpers/ZObjectsPos.kt
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package pavelsobolev.kotogl.Helpers
// distances from point of view to objects of 3D scene
object ZObjectsPos
{
/**
* 0=>central polyhedron z-position, 1=>left, 2=>right, 3=>top, 4=>bottom
*/
private var zPositions: IntArray
init
{
zPositions = IntArray(5)
zPositions[0] = -6
zPositions[1] = -7
zPositions[2] = -6
zPositions[3] = -7
zPositions[4] = -7
}
fun setPosition(pos: Int, newVal: Int)
{
zPositions[pos] = newVal
}
fun getPosition(pos: Int): Int
{
return zPositions[pos]
}
}

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app/src/main/java/sgd/and04/layout/ImageSwitcherActivity.kt
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package sgd.and04.layout
import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.FrameLayout
import android.widget.ImageSwitcher
import android.widget.ImageView
import android.view.animation.AnimationUtils
import android.widget.Button
class ImageSwitcherActivity : AppCompatActivity() {
private val flowers = intArrayOf(R.drawable.flower1, R.drawable.flower2,
R.drawable.flower4)
private var index = 0
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_image_switcher)
// create the ImageSwitcher
val imgSwitcher = ImageSwitcher(this)
imgSwitcher?.setFactory({
val imgView = ImageView(applicationContext)
imgView.scaleType = ImageView.ScaleType.CENTER
imgView.setPadding(20, 20, 20, 20)
imgView.setAdjustViewBounds(true)
imgView.setMaxHeight(2400)
imgView
})
val c_Layout = findViewById<FrameLayout>(R.id.scrollView)
//add ImageSwitcher in constraint layout
c_Layout?.addView(imgSwitcher)
// set the method and pass array as a parameter
imgSwitcher?.setImageResource(flowers[index])
val imgIn = AnimationUtils.loadAnimation(
this, android.R.anim.slide_in_left)
imgSwitcher?.inAnimation = imgIn
val imgOut = AnimationUtils.loadAnimation(
this, android.R.anim.slide_out_right)
imgSwitcher?.outAnimation = imgOut
// previous button functionality
val prev = findViewById<Button>(R.id.prev)
prev.setOnClickListener {
index = if (index - 1 >= 0) index - 1 else 1
imgSwitcher?.setImageResource(flowers[index])
}
// next button functionality
val next = findViewById<Button>(R.id.next)
next.setOnClickListener {
index = if (index + 1 < flowers.size) index +1 else 0
imgSwitcher?.setImageResource(flowers[index])
}
}
fun onButtonExitClick(view: View) {
startActivity(Intent(this, MainActivity::class.java))
}
}

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app/src/main/java/sgd/and04/layout/MainActivity.kt
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package sgd.and04.layout
import android.content.Intent
import android.os.Build
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import androidx.annotation.RequiresApi
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
}
fun onButtonTableLayoutClick(view: View) {
startActivity(Intent(this, TableActivity::class.java))
}
fun onButtonRelativeLayoutClick(view: View) {
startActivity(Intent(this, RelativeActivity::class.java))
}
fun onButtonFrameLayoutClick(view: View) {
startActivity(Intent(this, FrameActivity::class.java))
}
fun onButtonGridLayoutClick(view: View) {
startActivity(Intent(this, GridActivity::class.java))
}
fun onButtonScrollLayoutClick(view: View) {
startActivity(Intent(this, ScrollActivity::class.java))
}
fun onButtonImageSwitcherClick(view: View) {
startActivity(Intent(this, ImageSwitcherActivity::class.java))
}
@RequiresApi(Build.VERSION_CODES.O)
fun onButtonOpenGLClick(view: View) {
startActivity(Intent(this, MainScreenActivity::class.java))
}
}

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app/src/main/java/sgd/and04/layout/MainScreenActivity.kt
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package sgd.and04.layout
import android.annotation.SuppressLint
import androidx.appcompat.app.AppCompatActivity
import android.content.Context
import android.content.Intent
import android.graphics.PixelFormat
import android.hardware.Sensor
import android.hardware.SensorEvent
import android.hardware.SensorEventListener
import android.hardware.SensorManager
import android.os.Build
import android.os.Bundle
import android.speech.RecognizerIntent
import androidx.annotation.RequiresApi
import androidx.constraintlayout.widget.ConstraintLayout
import androidx.core.content.ContextCompat
import androidx.appcompat.widget.Toolbar
import android.view.Menu
import android.view.MenuItem
import android.view.View
import android.view.ViewGroup
import kotlinx.android.synthetic.main.activity_main_screen.*
import pavelsobolev.kotogl.Helpers.TiltData
//import pavelsobolev.kotogl.R
import pavelsobolev.kotogl.Space3D.SpaceGLSurface
import pavelsobolev.kotogl.Spiral2D.MyGLSurfaceView
import sgd.and04.layout.R
// activity contains tabs for 2D and 3D scenes
@RequiresApi(api = Build.VERSION_CODES.O)
class MainScreenActivity : AppCompatActivity(), SensorEventListener
{
private var mSensorManager: SensorManager? = null
private var mAccelerometer: Sensor? = null
private var spaceGLSurface: SpaceGLSurface? = null //
private var flatGLSurface: MyGLSurfaceView? = null
internal var mainL: ConstraintLayout? = null
private var active: View? = null
private var isTiltable = false
private var useTilt: Boolean = false
private var mMyMenu: Menu? = null
@SuppressLint("RestrictedApi")
override fun onCreate(savedInstanceState: Bundle?)
{
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main_screen) //move
val toolbar = findViewById(R.id.toolbar) as Toolbar
setSupportActionBar(toolbar)
// main layout is a container for OpenGL surfaces and belongs to main activity
mainL = findViewById(R.id.mainLayout)
// ----------- creation of GL rendering surfaces
spaceGLSurface = SpaceGLSurface(this, true) //observer of mTiltData
TiltData.addObserver(spaceGLSurface)
flatGLSurface = MyGLSurfaceView(this)
TiltData.addObserver(flatGLSurface)
// loading view into main activity
mainL!!.addView(spaceGLSurface, //spaceGLSurface, // flatGLSurface,
ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT))
active = spaceGLSurface
// -------- setting up the accelerometer
setAccelerometer()
// setup voice command handler
fab.visibility = View.GONE
setVoiceCommandMode()
}
private fun setVoiceCommandMode()
{
fab.setOnClickListener { view ->
intent = Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH)
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
startActivityForResult(intent, 1010); //result handled in "onActivityResult"
}
}
private fun setAccelerometer()
{
useTilt = false
mSensorManager = getSystemService(Context.SENSOR_SERVICE) as SensorManager
mAccelerometer = mSensorManager!!.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)
TiltData.setData(0.0f, 0.0f)
}
internal var mTiltCounter = 0 // counter of
internal var mTiltCounterThreshold = 10 //gap between consecutive accelerometers events which are handled
override fun onSensorChanged(sensorEvent: SensorEvent)
{
if (!isTiltable) return
if (sensorEvent.sensor.type != Sensor.TYPE_ACCELEROMETER) return
val x = sensorEvent.values[0]
val y = sensorEvent.values[1]
//in order not ot react to any change of accelerometer (every mTiltCounterThreshold-th event accepted)
if (mTiltCounter == mTiltCounterThreshold) TiltData.setData(x, y) // <<--- change tilt data
if (mTiltCounter++ > mTiltCounterThreshold) mTiltCounter = 0
}
override fun onAccuracyChanged(sensor: Sensor, i: Int)
{
//this method must be implemented even if not used
}
override fun onResume()
{
super.onResume()
if (isTiltable)
mSensorManager!!.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_NORMAL)
}
override fun onPause()
{
super.onPause()
if (isTiltable)
mSensorManager!!.unregisterListener(this)
}
override fun onCreateOptionsMenu(menu: Menu): Boolean
{
menuInflater.inflate(R.menu.menu_main_screen, menu)
mMyMenu = menu
return true
}
// main menu events
@SuppressLint("RestrictedApi")
fun menuManualMode(item : MenuItem)
{
if (spaceGLSurface!!.isHandleMode)
{
spaceGLSurface!!.isHandleMode = false
item.icon = ContextCompat.getDrawable(this, R.drawable.touch)
fab.visibility = View.VISIBLE
mMyMenu!!.findItem(R.id.action_Tilt).setVisible(true)
}
else
{
spaceGLSurface!!.isHandleMode = true
item.icon = ContextCompat.getDrawable(this, R.drawable.if_ic_history_48px_352426)
fab.visibility = View.GONE
mMyMenu!!.findItem(R.id.action_Tilt).setVisible(false)
}
}
@SuppressLint("RestrictedApi")
private fun menuToggle2D()
{
mainL!!.removeView(active)
active = flatGLSurface
mainL!!.addView(flatGLSurface, // cubeGLSurface,
ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT))
mainL!!.bringChildToFront(flatGLSurface)
mainL!!.setBackground(ContextCompat.getDrawable(this, R.drawable.app_background))
setItemsVisibility(false)
fab.visibility = View.GONE
mMyMenu!!.findItem(R.id.action_Tilt).setVisible(true)
}
@SuppressLint("RestrictedApi")
private fun menuToggle3D()
{
if (active === spaceGLSurface) return
mainL!!.removeView(active)
active = spaceGLSurface
mainL!!.addView(spaceGLSurface,
ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT))
setItemsVisibility(true)
if(isTiltable)
fab.visibility = View.GONE
else
fab.visibility = View.VISIBLE
}
@SuppressLint("RestrictedApi")
private fun menuToggleAccelerometer(item: MenuItem)
{
isTiltable = !isTiltable
if (isTiltable)
{
fab.visibility = View.GONE // disable voice commands
mSensorManager!!.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_NORMAL)
item.icon = ContextCompat.getDrawable(this, R.drawable.nonrotate)
}
else
{
fab.visibility = View.VISIBLE // enable voice command
mSensorManager!!.unregisterListener(this)
item.icon = ContextCompat.getDrawable(this, R.drawable.rotate)
}
}
private fun menuInvokeDistanceActivity()
{
val intent = Intent(this, DistanceActivity::class.java)
startActivityForResult(intent, AppCompatActivity.RESULT_OK)
}
private fun menuToggleRotation(item: MenuItem)
{
if (spaceGLSurface!!.isRotationDirection)
{
spaceGLSurface!!.isRotationDirection = false
item.icon = ContextCompat.getDrawable(this, R.drawable.leftright)
}
else
{
spaceGLSurface!!.isRotationDirection = true
item.icon = ContextCompat.getDrawable(this, R.drawable.updown)
}
}
override fun onOptionsItemSelected(item: MenuItem): Boolean
{
when (item.itemId)
{
R.id.action_manual -> menuManualMode(item)
R.id.action_2D -> menuToggle2D()
R.id.action_3D -> menuToggle3D()
R.id.action_Tilt -> menuToggleAccelerometer(item)
R.id.action_settingsDistance -> menuInvokeDistanceActivity()
R.id.action_swap_textures -> spaceGLSurface!!.passSwapTextures()
R.id.action_Rotate -> menuToggleRotation(item)
R.id.action_exit -> returnToLayoutList()
}
return super.onOptionsItemSelected(item)
}
private fun returnToLayoutList() {
startActivity(Intent(this, MainActivity::class.java))
}
// show or hide some buttons in the main menu
@SuppressLint("RestrictedApi")
private fun setItemsVisibility(visible: Boolean)
{
mMyMenu!!.findItem(R.id.action_manual).isVisible = visible
mMyMenu!!.findItem(R.id.action_swap_textures).isVisible = visible
mMyMenu!!.findItem(R.id.action_settingsDistance).isVisible = visible
mMyMenu!!.findItem(R.id.action_Rotate).isVisible = visible
if (/*active==spaceGLSurface && */spaceGLSurface!!.isHandleMode || isTiltable)
fab.visibility = View.GONE
else
fab.visibility = View.VISIBLE
}
// after returning from activity "DistanceActivity"
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?)
{
super.onActivityResult(requestCode, resultCode, data)
if (active == flatGLSurface) // commands for flat scene
{
if (requestCode == 1010 && resultCode == RESULT_OK) // speech recognition results arrived
{
//TODO: make this work
//decodeFlatVoiceCommands(data!!.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS))
//var results = data!!.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS)
}
return
}
// else - commands for 3D scene
if (requestCode == 1010 && resultCode == RESULT_OK) // speech recognition results arrived
{
//decodeSpaceVoiceCommands(data!!.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS))
return
}
// new distance data results arrived
if (resultCode == AppCompatActivity.RESULT_OK) spaceGLSurface!!.updateDistance()
}
fun decodeFlatVoiceCommands(results : ArrayList<String>)
{
if (results.count()==0) return
var spokenText: String = results.get(0)
flatGLSurface!!.sendVoiceCommandData(spokenText.toLowerCase())
}
fun decodeSpaceVoiceCommands(results : ArrayList<String>)
{
if (results.count()==0) return
var spokenText: String = results.get(0)
spaceGLSurface!!.sendVoiceCommandToRenderer(spokenText.toLowerCase())
}
}

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app/src/main/java/sgd/and04/layout/OpenGLActivity.kt
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package sgd.and04.layout
import android.opengl.GLSurfaceView
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
class OpenGLActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_open_glactivity)
val mySurfaceView :GLSurfaceView = findViewById(R.id.my_surface_view);
mySurfaceView.setEGLContextClientVersion(2);
}
}

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app/src/main/java/sgd/and04/layout/RelativeActivity.kt
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package sgd.and04.layout
import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
class RelativeActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_relative)
}
fun onButtonLinearLayoutClick(view: View) {
startActivity(Intent(this, MainActivity::class.java))
}
fun onButtonTableLayoutClick(view: View) {
startActivity(Intent(this, TableActivity::class.java))
}
fun onButtonFrameLayoutClick(view: View) {
startActivity(Intent(this, FrameActivity::class.java))
}
fun onButtonGridLayoutClick(view: View) {
startActivity(Intent(this, GridActivity::class.java))
}
}

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app/src/main/java/sgd/and04/layout/ScrollActivity.kt
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package sgd.and04.layout
import android.content.Intent
import android.os.Bundle
import android.view.View
import androidx.appcompat.app.AppCompatActivity
class ScrollActivity : AppCompatActivity(){
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_scroll)
}
fun onButtonExitClick(view: View) {
startActivity(Intent(this, MainActivity::class.java))
}
}

85
app/src/main/java/sgd/and04/layout/Space3D/ShaderSource.kt
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package pavelsobolev.kotogl.Space3D
import android.content.Context
import android.graphics.BitmapFactory
import android.opengl.GLES20
import android.opengl.GLUtils
import java.io.BufferedReader
import java.io.IOException
import java.io.InputStreamReader
/**
* helper class of static methods for generating string
* sources of OpenGL pipeline's programs
*/
object ShaderSource
{
fun getTextFromResourceFile(appContext: Context, appResourceId: Int): String?
{
val resourceReader = BufferedReader(
InputStreamReader(appContext.resources.openRawResource(appResourceId)))
var llineFromFile : String = ""
var shaderText = StringBuilder()
try
{
llineFromFile = resourceReader.readLine()
while (llineFromFile!= null)
{
shaderText.append(llineFromFile)
shaderText.append('\n')
try {
llineFromFile = resourceReader.readLine()
}
catch (ee:Exception)
{
break
}
}
}
catch (e: IOException)
{
return null
}
return shaderText.toString()
}
fun readTextureFromResource(appContext: Context, puctId: Int): Int
{
val handleOfTexture = IntArray(1)
GLES20.glGenTextures(1, handleOfTexture, 0)
if (handleOfTexture[0] != 0)
{
val bitmapOptions = BitmapFactory.Options()
bitmapOptions.inScaled = false // No pre-scaling
// retrieving binary data of resource
val bitmap = BitmapFactory.decodeResource(appContext.resources,
puctId, bitmapOptions)
// texture binding
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, handleOfTexture[0])
// setting of color and coordinates approximation of texture
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST)
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST)
// bitmap loading
GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0)
// remove binary data from system memory
bitmap.recycle()
}
if (handleOfTexture[0] == 0) {
throw RuntimeException("Impossible to load texture.")
}
return handleOfTexture[0]
}
}

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app/src/main/java/sgd/and04/layout/Space3D/SpaceGLRenderer.kt
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package sgd.and04.layout
import sgd.and04.layout.R
import android.content.Context
import android.opengl.GLES20
import android.opengl.GLSurfaceView
import android.opengl.Matrix
import android.os.SystemClock
import pavelsobolev.kotogl.Helpers.TiltData
import pavelsobolev.kotogl.Helpers.TiltDirections
import pavelsobolev.kotogl.Helpers.ZObjectsPos
import pavelsobolev.kotogl.Space3D.ShaderSource
import pavelsobolev.kotogl.Space3D.VertexSource
import java.nio.ByteBuffer
import java.nio.ByteOrder
import java.nio.FloatBuffer
import javax.microedition.khronos.egl.EGLConfig
import javax.microedition.khronos.opengles.GL10
//class for representing of OpenGL renderer (used for drawing on activity surface)
// private val mActivityContext: Context,// reference to current activity context
// internal var mTiltData: TiltData, // device tilt data for changing of the direction of rotation of polyhedrons
// private val mTextures: IntArray) // data for texture binding
class SpaceGLRenderer(private val mActivityContext: Context,
private val mTextures: IntArray) : GLSurfaceView.Renderer
{
var mHandleMode: Boolean = false
//angles of rotation
private var mAngleBodies: Float = 0.toFloat()
private var mAngleCenter: Float = 0.toFloat()
private var mGlobalAngle: Float = 0.toFloat()
//vector around which scene is rotating (this value is affected by accelerometer)
private var mRotationVector: FloatArray? = null
// attribute of direction of rotation by touch gestures
//if true oX is rotational axis, otherwise Y is rotational axis
private var mHadleRotation: Boolean = false
//mModelMtrx stores the model matrix
private var mModelMtrx = FloatArray(16)
//private val mGlobalMatrix = FloatArray(16)
//mViewMtrx stores the view matrix
private val mViewMtrx = FloatArray(16)
// mProjMtrx stores the projection matrix
private val mProjMtrx = FloatArray(16)
//mMVPMtrx stores the final matrix
private val mMVPMtrx = FloatArray(16)
// mLightMdlMtrx stores a copy of the model matrix for the light position
private val mLightMdlMtrx = FloatArray(16)
// model data in a program's float buffer (for hexahedron's coordinates)
private var mHexahedronPos: FloatBuffer? = null
// model data in a program's float buffer (for hexahedron's colors)
private var mHexahedronClrs: FloatBuffer? = null
//model data in a program's float buffer (for hexahedron's normal vectors)
private var mHexahedronNrmls: FloatBuffer? = null
// model data in a program's float buffer (for tetrahedron's coordinates)
private var mTetraPosns: FloatBuffer? = null
// model data in a program's float buffer (for tetrahedron's colors)
private var mTetraClrs: FloatBuffer? = null
// model data in a program's float buffer (for tetrahedron's normal vectors)
private var mTetraNrmls: FloatBuffer? = null
// transformation matrix
private var mMVPMtrxHndl: Int = 0
// modelview matrix
private var mMVMtrxHndl: Int = 0
// light position
private var mLightPsHndl: Int = 0
// position information (hexahedron)
private var mHexahedronPstnHndl: Int = 0
// color information (hexahedron)
private var mHexahedronClrHndl: Int = 0
// normal vector information (hexahedron)
private var mHexahedronNrmlHndl: Int = 0
// position information (tetrahedron)
private var mTetraPstnHndl: Int = 0
// color information (tetrahedron)
private var mTetraClrHndl: Int = 0
// normal vector information (tetrahedron)
private var mTetraNrmlHndl: Int = 0
// size of float number in bytes
private val mFloatSize : Int = 4
// number of parameters for the position of one vertex (x,y,z)
private val mPosDataSize : Int = 3
// number of parameters for the color data for each vertes (red, green,blue, alpha)
private val mClrDataSize : Int = 4
// number of coordinates of normal vector
private val mNrmlDataSize : Int = 3
// ********* ------------- light positions --------- **********************
// Used to keep light source in the center of the origin in model coordinates
private val mLightPosInModelCoords = floatArrayOf(0.0f, 0.0f, 0.0f, 1.0f)
// Used to keep the current position of the light
private val mLightPosInWorldCoords = FloatArray(4)
// Used to keep the transformed position of the light
private val mLightPosInLookAtCoords = FloatArray(4)
// -------- OpenGL ES programs handles
// hexahedron's program
private var mHexahedronVertexPrgrmHndl: Int = 0
// tetrahedron's program
private var mTetraVertexPrgrmHndl: Int = 0
// light's program
private var mLightPointPrgrmHndl: Int = 0
// -------------- texture handling -------------------------
// Store our model data in a float buffer. */
private var mHexahedronTextureCoords: FloatBuffer? = null
// This will be used to pass in the texture. */
private var mTextureUniformHndl: Int = 0
// This will be used to pass in model texture coordinate information. */
private var mTextureCoordHndl: Int = 0
// Size of the texture coordinate data in elements. */
private val mTextureCoordinateDtSz = 2
// Array of textures data */
private val mTextureDataHndls: IntArray
// position characteristics of camera
//private val xMove = 0.0f
//private val yMove = 0.0f
private var lkX = 0.0f
private var lkY = 0.0f
//private val lkZ = -5.0f
init
{
mTextureDataHndls = IntArray(14)
mAngleBodies = 0.0f // rotational angles
mAngleCenter = 0.0f
mGlobalAngle = 0.0f
mRotationVector = floatArrayOf(0.0f, 0.0f, 1.0f)
mHadleRotation = false
initHexahedron()
initTetrahedron()
}
fun initHexahedron()
{
// hexahedron settings -------------------
// X, Y, Z
val hexahedronPositionData = VertexSource.HexahedronCoordinates
// R, G, B, A
val hexahedronColorData = VertexSource.HexahedronColors
// X, Y, Z
val hexahedronNormalData = VertexSource.HexahedronNormalVectors
// Initialize the buffers or hexahedron
mHexahedronPos = ByteBuffer.allocateDirect(hexahedronPositionData.size * mFloatSize)
.order(ByteOrder.nativeOrder()).asFloatBuffer()
mHexahedronPos!!.put(hexahedronPositionData).position(0)
mHexahedronClrs = ByteBuffer.allocateDirect(hexahedronColorData.size * mFloatSize)
.order(ByteOrder.nativeOrder()).asFloatBuffer()
mHexahedronClrs!!.put(hexahedronColorData).position(0)
mHexahedronNrmls = ByteBuffer.allocateDirect(hexahedronNormalData.size * mFloatSize)
.order(ByteOrder.nativeOrder()).asFloatBuffer()
mHexahedronNrmls!!.put(hexahedronNormalData).position(0)
val hexahedronTextureCoordinateData = VertexSource.HexahedronTextureCoordinateData
mHexahedronTextureCoords = ByteBuffer.allocateDirect(hexahedronTextureCoordinateData.size * mFloatSize).order(ByteOrder.nativeOrder()).asFloatBuffer()
mHexahedronTextureCoords!!.put(hexahedronTextureCoordinateData).position(0)
}
fun initTetrahedron()
{
// -------------- tetrahedron settings
// X, Y, Z
val tetraPositionData = VertexSource.TetrahedronCoordinates
// R, G, B, A
val tetraColorData = VertexSource.TetrahedronColors
// X, Y, Z
val tetraNormalData = VertexSource.TetrahedronNormalVectors
// Initialize the buffers or hexahedron
mTetraPosns = ByteBuffer.allocateDirect(tetraPositionData.size * mFloatSize)
.order(ByteOrder.nativeOrder()).asFloatBuffer()
mTetraPosns!!.put(tetraPositionData).position(0)
mTetraClrs = ByteBuffer.allocateDirect(tetraColorData.size * mFloatSize)
.order(ByteOrder.nativeOrder()).asFloatBuffer()
mTetraClrs!!.put(tetraColorData).position(0)
mTetraNrmls = ByteBuffer.allocateDirect(tetraNormalData.size * mFloatSize)
.order(ByteOrder.nativeOrder()).asFloatBuffer()
mTetraNrmls!!.put(tetraNormalData).position(0)
}
// init scene
override fun onSurfaceCreated(glOldVers: GL10, glCnfg: EGLConfig)
{
// OGL global settings
GLES20.glClearColor(0.0f, 0.0f, 0.0f, 0.3f)
GLES20.glEnable(GLES20.GL_CULL_FACE)
GLES20.glEnable(GLES20.GL_DEPTH_TEST)
// camera settings
val eX = 0.0f
val eY = 0.0f
val eZ = -0.5f
var lkX = 0.0f
val lkY = 0.0f
val lkZ = -5.0f
val upOX = 0.0f
val upOY = 1.0f
val upOZ = 0.0f
Matrix.setLookAtM(mViewMtrx, 0, eX, eY, eZ, lkX, lkY, lkZ, upOX, upOY, upOZ)
val vertexShdr : String? = ShaderSource.getTextFromResourceFile(mActivityContext,
R.raw.body_vertex_shader)
val fragmentShdr : String? = ShaderSource.getTextFromResourceFile(mActivityContext,
R.raw.body_fragment_shader)
if (vertexShdr==null || fragmentShdr==null)
{
System.exit(0);
}
val vertexShdrHndl = compileShader(GLES20.GL_VERTEX_SHADER, vertexShdr)
val fragmentShdrHndl = compileShader(GLES20.GL_FRAGMENT_SHADER, fragmentShdr)
mHexahedronVertexPrgrmHndl = createAndLinkProgram(vertexShdrHndl, fragmentShdrHndl,
arrayOf("a_Position", "a_Color", "a_Normal", "a_TexCoordinate"))
mTetraVertexPrgrmHndl = createAndLinkProgram(vertexShdrHndl, fragmentShdrHndl,
arrayOf("a_Position", "a_Color", "a_Normal"))
// Definition of shader programs for the source of light
val pointVrtxShdr = ShaderSource.getTextFromResourceFile(mActivityContext,
R.raw.lignt_point_vertex_shader_code)
val pointFragmentShader = ShaderSource.getTextFromResourceFile(mActivityContext,
R.raw.lignt_point_fragment_shader_code)
if (pointVrtxShdr==null || pointFragmentShader==null)
{
System.exit(0);
}
val pointVrtxShdrHndl = compileShader(GLES20.GL_VERTEX_SHADER, pointVrtxShdr)
val pointFrgmntShdrHndl = compileShader(GLES20.GL_FRAGMENT_SHADER, pointFragmentShader)
mLightPointPrgrmHndl = createAndLinkProgram(pointVrtxShdrHndl, pointFrgmntShdrHndl,
arrayOf("a_Position"))
for (i in 0..13) // init of textures array
mTextureDataHndls[i] = ShaderSource.readTextureFromResource(mActivityContext, mTextures[i])
}
// change the area of view
override fun onSurfaceChanged(glOldVers: GL10, width: Int, height: Int)
{
// Setting of the OpenGL viewport equal to the size of the screen
GLES20.glViewport(0, 0, width, height)
// Create a new perspective projection matrix
// ratio is calculated to take in account real proportions of the screen
val ratioSC = width.toFloat() / height
val leftSC = -ratioSC
val bottomSC = -1.0f
val topSC = 1.0f
val nearSC = 1.0f
val farSC = 14.0f
// cutting volume
Matrix.frustumM(mProjMtrx, 0, leftSC, ratioSC, bottomSC, topSC, nearSC, farSC)
}
override fun onDrawFrame(glOldVers: GL10)
{
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT or GLES20.GL_DEPTH_BUFFER_BIT)
// calculate rotations for automatic mode (animation here!)
if (!mHandleMode) {
val time = SystemClock.uptimeMillis() % 10000L
mAngleBodies = 360.0f / 10000.0f * time.toInt()
//val time2 = SystemClock.uptimeMillis() % 4000L
mAngleCenter = 0.09f * time.toInt()
}
setPolyhedronsHandles()
setLightHandles()
GLES20.glActiveTexture(GLES20.GL_TEXTURE0)
//---------- global rotation ------------------------------
Matrix.setIdentityM(mViewMtrx, 0)
Matrix.translateM(mViewMtrx, 0, 0.0f, 0.0f, ZObjectsPos.getPosition(0).toFloat())
if (!mHadleRotation)
// rotation around X-axis
Matrix.rotateM(mViewMtrx, 0, mGlobalAngle * 1.0f, 0.0f, 1.0f, 0.0f)
else
// rotation around Y-axis
Matrix.rotateM(mViewMtrx, 0, mGlobalAngle * 1.0f, 1.0f, 0.0f, 0.0f)
Matrix.translateM(mViewMtrx, 0, 0.0f, 0.0f, -ZObjectsPos.getPosition(0).toFloat())
//==========================================================
// Draw polyhedrons
putRightBody()
putLeftBody()
putTopBody()
putBottomBody()
putCentralBody()
drawLamp()
}
private fun setPolyhedronsHandles()
{
// Set program handles for polyhedrons
GLES20.glUseProgram(mHexahedronVertexPrgrmHndl)
mMVPMtrxHndl = GLES20.glGetUniformLocation(mHexahedronVertexPrgrmHndl, "u_MVPMatrix")
mMVMtrxHndl = GLES20.glGetUniformLocation(mHexahedronVertexPrgrmHndl, "u_MVMatrix")
mLightPsHndl = GLES20.glGetUniformLocation(mHexahedronVertexPrgrmHndl, "u_LightPos")
mTextureUniformHndl = GLES20.glGetUniformLocation(mHexahedronPstnHndl, "u_Texture")
mHexahedronPstnHndl = GLES20.glGetAttribLocation(mHexahedronVertexPrgrmHndl, "a_Position")
mHexahedronClrHndl = GLES20.glGetAttribLocation(mHexahedronVertexPrgrmHndl, "a_Color")
mHexahedronNrmlHndl = GLES20.glGetAttribLocation(mHexahedronVertexPrgrmHndl, "a_Normal")
mTextureCoordHndl = GLES20.glGetAttribLocation(mHexahedronVertexPrgrmHndl, "a_TexCoordinate")
}
private fun setLightHandles()
{
// put vertex-lighting program
GLES20.glUseProgram(mTetraVertexPrgrmHndl)
// Set program handles (tetrahedron)
mMVPMtrxHndl = GLES20.glGetUniformLocation(mTetraVertexPrgrmHndl, "u_MVPMatrix")
mMVMtrxHndl = GLES20.glGetUniformLocation(mTetraVertexPrgrmHndl, "u_MVMatrix")
mLightPsHndl = GLES20.glGetUniformLocation(mTetraVertexPrgrmHndl, "u_LightPos")
mTetraPstnHndl = GLES20.glGetAttribLocation(mTetraVertexPrgrmHndl, "a_Position")
mTetraClrHndl = GLES20.glGetAttribLocation(mTetraVertexPrgrmHndl, "a_Color")
mTetraNrmlHndl = GLES20.glGetAttribLocation(mTetraVertexPrgrmHndl, "a_Normal")
}
private fun putRightBody() {
// right
// binding of the texture
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureDataHndls[0])
GLES20.glUniform1i(mTextureUniformHndl, 0)
Matrix.setIdentityM(mModelMtrx, 0)
Matrix.translateM(mModelMtrx, 0, 3.0f, 0.0f, ZObjectsPos.getPosition(2).toFloat())
Matrix.rotateM(mModelMtrx, 0, mAngleBodies * 1.0f, mRotationVector!![0], mRotationVector!![1], mRotationVector!![2] /*0.0f, 1.0f, 1.0f*/)
drawHexahedron()
}
private fun putLeftBody()
{
// left
// binding of the texture
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureDataHndls[1] /*mTextureDataHandle2*/)
GLES20.glUniform1i(mTextureUniformHndl, 0)
Matrix.setIdentityM(mModelMtrx, 0)
Matrix.translateM(mModelMtrx, 0, -3.0f, 0.0f, ZObjectsPos.getPosition(1).toFloat())
Matrix.rotateM(mModelMtrx, 0, mAngleBodies * 2f, mRotationVector!![0], mRotationVector!![1], mRotationVector!![2] /*0.0f, 1.0f, 1.0f*/)
drawHexahedron()
}
private fun putTopBody()
{
// top
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureDataHndls[2] /*mTextureDataHandle3*/)
GLES20.glUniform1i(mTextureUniformHndl, 0)
Matrix.setIdentityM(mModelMtrx, 0)
Matrix.translateM(mModelMtrx, 0, 0.0f, 3.0f, ZObjectsPos.getPosition(3).toFloat())
Matrix.rotateM(mModelMtrx, 0, mAngleBodies * 2f, mRotationVector!![0], mRotationVector!![1], mRotationVector!![2] /*0.0f, 0.0f, 1.0f*/)
drawTetrahedron()
}
private fun putBottomBody()
{
// bottom
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureDataHndls[3])
GLES20.glUniform1i(mTextureUniformHndl, 0)
Matrix.setIdentityM(mModelMtrx, 0)
Matrix.translateM(mModelMtrx, 0, 0.0f, -3.0f, ZObjectsPos.getPosition(4).toFloat())
Matrix.rotateM(mModelMtrx, 0, mAngleBodies * 3f, mRotationVector!![0], mRotationVector!![1], mRotationVector!![2] /*1.0f, 1.5f, 1.0f*/)
drawTetrahedron()
}
private fun putCentralBody()
{
// central
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureDataHndls[4])
GLES20.glUniform1i(mTextureUniformHndl, 0)
val tmp: FloatArray
Matrix.setIdentityM(mModelMtrx, 0)
Matrix.translateM(mModelMtrx, 0, 0.0f, 0.0f, ZObjectsPos.getPosition(0).toFloat())
Matrix.rotateM(mModelMtrx, 0, 90 + mAngleCenter, 1.0f, 0.0f, 0.0f)
drawTetrahedron()
tmp = mModelMtrx
Matrix.scaleM(mModelMtrx, 0, 0.7f, 0.7f, 0.7f)
Matrix.rotateM(mModelMtrx, 0, mAngleCenter, 1.0f, 0.0f, 0.0f)
mModelMtrx = tmp
drawHexahedron()
}
// Draws a hexahedron
private fun drawHexahedron()
{
// send position data to shader
mHexahedronPos!!.position(0)
GLES20.glVertexAttribPointer(mHexahedronPstnHndl, mPosDataSize, GLES20.GL_FLOAT, false,
0, mHexahedronPos)
GLES20.glEnableVertexAttribArray(mHexahedronPstnHndl)
// send color data to shader
mHexahedronClrs!!.position(0)
GLES20.glVertexAttribPointer(mHexahedronClrHndl, mClrDataSize, GLES20.GL_FLOAT, false,
0, mHexahedronClrs)
GLES20.glEnableVertexAttribArray(mHexahedronClrHndl)
// send normal vectors data to sender
mHexahedronNrmls!!.position(0)
GLES20.glVertexAttribPointer(mHexahedronNrmlHndl, mNrmlDataSize, GLES20.GL_FLOAT, false,
0, mHexahedronNrmls)
GLES20.glEnableVertexAttribArray(mHexahedronNrmlHndl)
// textures -----------------------------
mHexahedronTextureCoords!!.position(0)
GLES20.glVertexAttribPointer(mTextureCoordHndl,
mTextureCoordinateDtSz, GLES20.GL_FLOAT, false,
0, mHexahedronTextureCoords)
GLES20.glEnableVertexAttribArray(mTextureCoordHndl)
Matrix.multiplyMM(mMVPMtrx, 0, mViewMtrx, 0, mModelMtrx, 0)
GLES20.glUniformMatrix4fv(mMVMtrxHndl, 1, false, mMVPMtrx, 0)
Matrix.multiplyMM(mMVPMtrx, 0, mProjMtrx, 0, mMVPMtrx, 0)
// set data in final mtrx
GLES20.glUniformMatrix4fv(mMVPMtrxHndl, 1, false, mMVPMtrx, 0)
GLES20.glUniform3f(mLightPsHndl, mLightPosInLookAtCoords[0],
mLightPosInLookAtCoords[1], mLightPosInLookAtCoords[2])
// Draw regular hexahedron
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 36)
}
// Draws the tetrahedron
private fun drawTetrahedron()
{
// set the position data
mTetraPosns!!.position(0)
GLES20.glVertexAttribPointer(mTetraPstnHndl, mPosDataSize, GLES20.GL_FLOAT, false,
0, mTetraPosns)
GLES20.glEnableVertexAttribArray(mTetraPstnHndl)
// send the color data
mTetraClrs!!.position(0)
GLES20.glVertexAttribPointer(mTetraClrHndl, mClrDataSize, GLES20.GL_FLOAT, false,
0, mTetraClrs)
GLES20.glEnableVertexAttribArray(mTetraClrHndl)
// set the normal vectors data
mTetraNrmls!!.position(0)
GLES20.glVertexAttribPointer(mTetraNrmlHndl, mNrmlDataSize, GLES20.GL_FLOAT, false,
0, mTetraNrmls)
GLES20.glEnableVertexAttribArray(mTetraNrmlHndl)
Matrix.multiplyMM(mMVPMtrx, 0, mViewMtrx, 0, mModelMtrx, 0)
// modelview
GLES20.glUniformMatrix4fv(mMVMtrxHndl, 1, false, mMVPMtrx, 0)
Matrix.multiplyMM(mMVPMtrx, 0, mProjMtrx, 0, mMVPMtrx, 0)
// final matrix
GLES20.glUniformMatrix4fv(mMVPMtrxHndl, 1, false, mMVPMtrx, 0)
// position of the source of the light in viewer coordinate system
GLES20.glUniform3f(mLightPsHndl, mLightPosInLookAtCoords[0],
mLightPosInLookAtCoords[1], mLightPosInLookAtCoords[2])
// Draw
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 12)
}
// Draws point of light
private fun drawLamp()
{
// Draw a point to show the "lamp"
Matrix.setIdentityM(mLightMdlMtrx, 0)
Matrix.translateM(mLightMdlMtrx, 0, 0.0f, 0.0f, -5.0f)
Matrix.rotateM(mLightMdlMtrx, 0, mAngleBodies * 3f, 0.0f, 1.0f, 0.0f)
Matrix.translateM(mLightMdlMtrx, 0, 0.0f, 0.0f, 2.0f)
Matrix.multiplyMV(mLightPosInWorldCoords, 0, mLightMdlMtrx, 0, mLightPosInModelCoords, 0)
Matrix.multiplyMV(mLightPosInLookAtCoords, 0, mViewMtrx, 0, mLightPosInWorldCoords, 0)
GLES20.glUseProgram(mLightPointPrgrmHndl)
val pointMVPMtrxHndl = GLES20.glGetUniformLocation(mLightPointPrgrmHndl, "u_MVPMatrix")
val pointPstnHndl = GLES20.glGetAttribLocation(mLightPointPrgrmHndl, "a_Position")
GLES20.glVertexAttrib3f(pointPstnHndl, mLightPosInModelCoords[0], mLightPosInModelCoords[1], mLightPosInModelCoords[2])
GLES20.glDisableVertexAttribArray(pointPstnHndl)
Matrix.multiplyMM(mMVPMtrx, 0, mViewMtrx, 0, mLightMdlMtrx, 0)
Matrix.multiplyMM(mMVPMtrx, 0, mProjMtrx, 0, mMVPMtrx, 0)
GLES20.glUniformMatrix4fv(pointMVPMtrxHndl, 1, false, mMVPMtrx, 0)
// set the light
GLES20.glDrawArrays(GLES20.GL_POINTS, 0, 1)
}
// method compiles of the shader
private fun compileShader(typeOfShader: Int, sourceOfShader: String?): Int
{
var shaderHndl = GLES20.glCreateShader(typeOfShader)
if (shaderHndl != 0)
{
// set source of shader
GLES20.glShaderSource(shaderHndl, sourceOfShader)
// compilation of the shader
GLES20.glCompileShader(shaderHndl)
// get the result of compilation
val compileStatus = IntArray(1)
GLES20.glGetShaderiv(shaderHndl, GLES20.GL_COMPILE_STATUS, compileStatus, 0)
// If the compilation was not success, remove the shaderHndl
if (compileStatus[0] == 0)
{
GLES20.glDeleteShader(shaderHndl)
shaderHndl = 0
}
}
if (shaderHndl == 0)
{
throw RuntimeException("Impossible to compile shader program.")
}
return shaderHndl
}
// compile and link the program
private fun createAndLinkProgram(vertexShdrHndl: Int, fragmentShdrHndl: Int,
attribs: Array<String>?): Int
{
var programHndl = GLES20.glCreateProgram()
if (programHndl != 0)
{
// binding of the vertex shader to the shader program
GLES20.glAttachShader(programHndl, vertexShdrHndl)
// binding the fragment shader to the shader program
GLES20.glAttachShader(programHndl, fragmentShdrHndl)
// binding of attribs
if (attribs != null)
{
val size = attribs.size
for (i in 0 until size)
{
GLES20.glBindAttribLocation(programHndl, i, attribs[i])
}
}
// linking of shaders
GLES20.glLinkProgram(programHndl)
// getting the linkage result
val linkResult = IntArray(1)
GLES20.glGetProgramiv(programHndl, GLES20.GL_LINK_STATUS, linkResult, 0)
// if fail
if (linkResult[0] == 0)
{
GLES20.glDeleteProgram(programHndl)
programHndl = 0
}
}
if (programHndl == 0)
{
return 0
throw RuntimeException("Impossible to create shader program.")
}
return programHndl
}
var Angle : Float
get() = mGlobalAngle
set(newvalue)
{
mGlobalAngle = newvalue
}
fun setRotationDirection()
{
when (TiltData.getDirection())
{
TiltDirections.UP ->
{
mRotationVector = floatArrayOf(-1.0f, 0.0f, 0.0f)
mAngleBodies = Math.abs(mAngleBodies)
}
TiltDirections.DOWN ->
{
mRotationVector = floatArrayOf(1.0f, 0.0f, 0.0f)
mAngleBodies = -Math.abs(mAngleBodies)
}
TiltDirections.LEFT ->
{
mRotationVector = floatArrayOf(0.0f, -1.0f, 0.0f)
mAngleBodies = Math.abs(mAngleBodies)
}
TiltDirections.RIGHT ->
{
mRotationVector = floatArrayOf(0.0f, 1.0f, 0.0f)
mAngleBodies = -Math.abs(mAngleBodies)
}
TiltDirections.UNKNOWN ->
{
return
//mRotationVector = new float[] {0.0f, 0.0f, 1.0f};
}
}
}
fun setRotationDirection(voiceCommand : String)
{
//Log.d("spok",voiceCommand)
var leftWords = arrayListOf<String>("left", "lift")
if (leftWords.contains(voiceCommand))
{
mRotationVector = floatArrayOf(0.0f, -1.0f, 0.0f)
mAngleBodies = Math.abs(mAngleBodies)
return
}
if (voiceCommand.contains("right"))
{
mRotationVector = floatArrayOf(0.0f, 1.0f, 0.0f)
mAngleBodies = -Math.abs(mAngleBodies)
return
}
var upWords = arrayListOf<String>("op", "up", "top", "tab")
if (upWords.contains(voiceCommand))
{
mRotationVector = floatArrayOf(-1.0f, 0.0f, 0.0f)
mAngleBodies = Math.abs(mAngleBodies)
return
}
var downWords = arrayListOf<String>("dull", "dell", "dong", "dog", "Darwin", "dumb", "gold","done", "dome", "dom", "down","don't","toll", "doll")
if (downWords.contains(voiceCommand))
{
mRotationVector = floatArrayOf(1.0f, 0.0f, 0.0f)
mAngleBodies = -Math.abs(mAngleBodies)
return
}
}
fun swapTextures()
{
val tmp = mTextureDataHndls[mTextureDataHndls.size - 1]
for (i in mTextureDataHndls.size - 1 downTo 1)
{
mTextureDataHndls[i] = mTextureDataHndls[i - 1]
}
mTextureDataHndls[0] = tmp
}
var HadleRotation : Boolean
get() = mHadleRotation
set(newvalue)
{
mHadleRotation = newvalue
}
var HandleMode : Boolean
get() = mHandleMode
set(newvalue)
{
mHandleMode = newvalue
}
}

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app/src/main/java/sgd/and04/layout/Space3D/SpaceGLSurface.kt
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package pavelsobolev.kotogl.Space3D
import android.content.Context
import android.graphics.PixelFormat
import android.opengl.GLES20
import android.opengl.GLSurfaceView
import android.view.MotionEvent
//import pavelsobolev.kotogl.R
import sgd.and04.layout.R
import sgd.and04.layout.SpaceGLRenderer
import java.util.*
/**
* represents surface which is capable to be used by OpenGL framework
*/
class SpaceGLSurface(cntxt: Context, private var mHandleMode: Boolean) : GLSurfaceView(cntxt), Observer
{
/**
* renderer for this surface
*/
private val mSpaceGlRenderer: SpaceGLRenderer
/**
* number which affects the velocity of rotation when touch point
* is moving on the screen
*/
private val SCALE_TOUCH_RATIO = 180.0f / 800
/**
* x-coordinate of previous location of the touch point
*/
private var mXPrev: Float = 0.toFloat()
private var mRotationDirection: Boolean = false
/**
* y-coordinate of previous location of the touch point
*/
private var mYPrev: Float = 0.toFloat()
init
{
setEGLContextClientVersion(2)
//mTiltData = TiltData(0f, 0f)
//TiltData.setData(0f, 0f)
mRotationDirection = false //Y is rotational vector
val images = intArrayOf(
R.drawable.marble_12, R.drawable.marble_13,
R.drawable.marble_2, R.drawable.marble_10,
R.drawable.marble_4, R.drawable.marble_1,
R.drawable.marble_3, R.drawable.marble_5,
R.drawable.marble_6, R.drawable.marble_7,
R.drawable.marble_8, R.drawable.marble_9,
R.drawable.marble_11, R.drawable.marble_14)
setEGLConfigChooser(8, 8, 8, 8, 16, 0);
getHolder().setFormat(PixelFormat.RGBA_8888);
setZOrderOnTop(true);
//mSpaceGlRenderer = SpaceGLRenderer(cntxt, mTiltData, images)
mSpaceGlRenderer = SpaceGLRenderer(cntxt, /*TiltData,*/ images)
mSpaceGlRenderer.HandleMode = mHandleMode
setRenderer(mSpaceGlRenderer)
if (mSpaceGlRenderer.HandleMode)
renderMode = GLSurfaceView.RENDERMODE_WHEN_DIRTY
else
renderMode = GLSurfaceView.RENDERMODE_CONTINUOUSLY
}
var isHandleMode: Boolean
get() = mHandleMode
set(_handleMode)
{
mHandleMode = _handleMode
mSpaceGlRenderer.HandleMode = mHandleMode
if (mSpaceGlRenderer.HandleMode)
renderMode = GLSurfaceView.RENDERMODE_WHEN_DIRTY
else
renderMode = GLSurfaceView.RENDERMODE_CONTINUOUSLY
requestRender()
}
var isRotationDirection: Boolean
get() = mRotationDirection
set(_mRotationDirection)
{
mRotationDirection = _mRotationDirection
mSpaceGlRenderer.HadleRotation = mRotationDirection
requestRender()
}
// handles event when user touch the screen and move finger
// on the surface of the screen of the device
override fun onTouchEvent(e: MotionEvent): Boolean
{
//if(!mSpaceGlRenderer.isHandleMode()) return true;
if (e==null) return false;
val posx = e.x
val posy = e.y
when (e.action)
{
MotionEvent.ACTION_MOVE ->
{
var deltax = posx - mXPrev
var deltay = posy - mYPrev
if (posy > height / 2) deltax = -deltax
if (posx < width / 2) deltay = -deltay
mSpaceGlRenderer.Angle = mSpaceGlRenderer.Angle + (deltax + deltay) * SCALE_TOUCH_RATIO
requestRender()
}
}
mXPrev = posx
mYPrev = posy
return true
}
fun updateDistance()
{
mSpaceGlRenderer.swapTextures()
requestRender()
}
fun passSwapTextures()
{
mSpaceGlRenderer.swapTextures()
requestRender()
}
// when information in TiltData global object is changed this object will get notification and
// will force the scene renderer to redraw the picture
override fun update(observableObject: Observable?, observableData: Any?)
{
mSpaceGlRenderer.setRotationDirection()
requestRender()
}
fun sendVoiceCommandToRenderer(command:String)
{
mSpaceGlRenderer.setRotationDirection(command)
}
}

274
app/src/main/java/sgd/and04/layout/Space3D/VertexSource.kt
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package pavelsobolev.kotogl.Space3D
object VertexSource
{
// constants for colours and coordinates
private val one : Float = 1.0f
private val zero : Float = 0.0f
private val z8 : Float = 0.7f
private val z7 : Float = 0.8f
// X, Y, Z of hexahedron vertices
private val hexahedronCoordinates = floatArrayOf(
// Front
-one, one, one,
-one, -one, one,
one, one, one,
-one, -one, one,
one, -one, one,
one, one, one,
// Right
one, one, one,
one, -one, one,
one, one, -one,
one, -one, one,
one, -one, -one,
one, one, -one,
// Back
one, one, -one,
one, -one, -one,
-one, one, -one,
one, -one, -one,
-one, -one, -one,
-one, one, -one,
// Left
-one, one, -one,
-one, -one, -one,
-one, one, one,
-one, -one, -one,
-one, -one, one,
-one, one, one,
// Top
-one, one, -one,
-one, one, one,
one, one, -one,
-one, one, one,
one, one, one,
one, one, -one,
// Bottom
one, -one, -one,
one, -one, one,
-one, -one, -one,
one, -one, one,
-one, -one, one,
-one, -one, -one)
// R, G, B, A of hexahedron vertices
private val hexahedronColors = floatArrayOf(
// Front color
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
// Right color
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
// Back color
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
// Left color
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
// Top color
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
// Bottom color
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one,
z8, z8, z8, one)
// X, Y, Z
private val hexahedronNormalVectors = floatArrayOf(
// Front face
zero, zero, one,
zero, zero, one,
zero, zero, one,
zero, zero, one,
zero, zero, one,
zero, zero, one,
// Right face
one, zero, zero,
one, zero, zero,
one, zero, zero,
one, zero, zero,
one, zero, zero,
one, zero, zero,
// Back face
zero, zero, -one,
zero, zero, -one,
zero, zero, -one,
zero, zero, -one,
zero, zero, -one,
zero, zero, -one,
// Left face
-one, zero, zero,
-one, zero, zero,
-one, zero, zero,
-one, zero, zero,
-one, zero, zero,
-one, zero, zero,
// Top face
zero, one, zero,
zero, one, zero,
zero, one, zero,
zero, one, zero,
zero, one, zero,
zero, one, zero,
// Bottom face
zero, -one, zero,
zero, -one, zero,
zero, -one, zero,
zero, -one, zero,
zero, -one, zero,
zero, -one, zero)
private val hexahedronTextureCoordinateData = floatArrayOf(
// Front face
zero, zero, zero,
one, one, zero,
zero, one, one,
one, one, zero,
// Right face
zero, zero, zero,
one, one, zero,
zero, one, one,
one, one, zero,
// Back face
zero, zero, zero,
one, one, zero,
zero, one, one,
one, one, zero,
// Left face
zero, zero, zero,
one, one, zero,
zero, one, one,
one, one, zero,
// Top face
zero, zero, zero,
one, one, zero,
zero, one, one,
one, one, zero,
// Bottom face
zero, zero, zero,
one, one, zero,
zero, one, one,
one, one, zero)
// tetrahedron data
private val tetrahedronCoordinates = floatArrayOf(
-one, one, one,
-one, -one, -one,
one, -one, one,
one, -one, one,
-one, -one, -one,
one, one, -one,
one, one, -one,
-one, -one, -one,
-one, one, one,
-one, one, one,
one, -one, one,
one, one, -one)
private val tetrahedronColors = floatArrayOf(
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one,
z7, z7, z7, one)
private val tetrahedronNormalVectors = floatArrayOf(
-one, -one, one,
-one, -one, one,
-one, -one, one,
one, -one, -one,
one, -one, -one,
one, -one, -one,
-one, one, -one,
-one, one, -one,
-one, one, -one,
one, one, one,
one, one, one,
one, one, one)
// --- public getters
val HexahedronCoordinates : FloatArray
get() = this.hexahedronCoordinates
val HexahedronColors: FloatArray
get() = hexahedronColors
val HexahedronNormalVectors: FloatArray
get() = hexahedronNormalVectors
val TetrahedronCoordinates: FloatArray
get() = tetrahedronCoordinates
val TetrahedronColors: FloatArray
get() = tetrahedronColors
val TetrahedronNormalVectors: FloatArray
get() = tetrahedronNormalVectors
val HexahedronTextureCoordinateData: FloatArray
get() = hexahedronTextureCoordinateData
}

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app/src/main/java/sgd/and04/layout/Spiral2D/MyGLRenderer.kt
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package pavelsobolev.kotogl.Spiral2D
import android.opengl.GLES20
import android.opengl.GLSurfaceView
import android.opengl.Matrix
import android.os.SystemClock
import javax.microedition.khronos.opengles.GL10
// 2D renderer - shows the spiral, the square and the triangle
// using OpenGL
class MyGLRenderer : GLSurfaceView.Renderer
{
internal var mW = 0
internal var mH = 0
var mIsHandleMode: Boolean = false
//@Volatile
var mAngle: Float = 0.toFloat()
private var mRotatDir: Float = 0.toFloat()
private var mTriangle: Triangle? = null
private var mSquare: Square? = null
private var mSpiral: Spiral? = null
private var mCrrntPointSquare = 0
private var mCrrntPointSquareUp = true
private var mCrrntPointTri = 0
private var mCrrntPointTriUp = true
private val mMtrxMVP = FloatArray(16) // model-view-projection matrix
private val mMtrxProjection = FloatArray(16)
private val mMtrxView = FloatArray(16)
private val mMtrxRotation = FloatArray(16)
//private val mTranslationMatrix = FloatArray(16)
override fun onSurfaceCreated(gl10: GL10, eglConfig: javax.microedition.khronos.egl.EGLConfig)
{
mAngle = 0.0f
mRotatDir = 1f
GLES20.glClearColor(0.0f, 0.0f, 0.0f, .5f)
mTriangle = Triangle()
mSquare = Square()
mSpiral = Spiral()
mCrrntPointSquare = 0
mCrrntPointSquareUp = true
mCrrntPointTri = mSpiral!!.getSpiralVirtices().size - 7
mCrrntPointSquareUp = false
}
var Angle : Float
get() = mAngle
set(newVal)
{
mAngle = newVal
}
override fun onDrawFrame(unused: GL10)
{
val localMtrx = FloatArray(16)
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT)
if (!mIsHandleMode)
{
val time = SystemClock.uptimeMillis() % 40000L
mAngle = 0.009f * time.toInt()
}
val eyeX = 0.0f
val eyeY = 0.0f
val eyeZ = 1.5f
val lookX = 0.0f
val lookY = 0.0f
val lookZ = 0.0f
val upX = 0.0f
val upY = 1.0f
val upZ = 0.0f
Matrix.setLookAtM(mMtrxView, 0, eyeX, eyeY, eyeZ, lookX, lookY, lookZ, upX, upY, upZ)
Matrix.multiplyMM(mMtrxMVP, 0, mMtrxProjection, 0, mMtrxView, 0)
Matrix.setIdentityM(localMtrx, 0)
Matrix.setRotateM(mMtrxRotation, 0, mRotatDir * mAngle, 0.0f, 0.0f, 1.0f)
Matrix.multiplyMM(localMtrx, 0, mMtrxMVP, 0, mMtrxRotation, 0)
mSpiral!!.draw(localMtrx)
mSquare!!.draw(localMtrx,
mSpiral!!.getSpiralVirtices()[mCrrntPointSquare],
mSpiral!!.getSpiralVirtices()[mCrrntPointSquare + 1],
mSpiral!!.getSpiralVirtices()[mCrrntPointSquare + 2])
if (mCrrntPointSquareUp)
{
if (mCrrntPointSquare < mSpiral!!.getSpiralVirtices().size - 7)
mCrrntPointSquare += 7
else
{
mCrrntPointSquareUp = false
}
}
else
{
if (mCrrntPointSquare > 0)
{
mCrrntPointSquare -= 7
}
else
{
mCrrntPointSquareUp = true
}
}
mTriangle!!.draw(localMtrx,
mSpiral!!.getSpiralVirtices()[mCrrntPointTri],
mSpiral!!.getSpiralVirtices()[mCrrntPointTri + 1],
mSpiral!!.getSpiralVirtices()[mCrrntPointTri + 2])
if (mCrrntPointTriUp)
{
if (mCrrntPointTri < mSpiral!!.getSpiralVirtices().size - 7)
mCrrntPointTri += 7
else
mCrrntPointTriUp = false
}
else
{
if (mCrrntPointTri > 0)
mCrrntPointTri -= 7
else
mCrrntPointTriUp = true
}
}
var CurrentSquareDirection : Boolean
get() = mCrrntPointSquareUp
set(newDirect)
{
mCrrntPointSquareUp = newDirect
}
var CurrentTriangleDirection : Boolean
get() = mCrrntPointTriUp
set(newDirect)
{
mCrrntPointTriUp = newDirect
}
override fun onSurfaceChanged(gl: GL10, width: Int, height: Int)
{
GLES20.glViewport(0, 0, width, height)
val ratio = width.toFloat() / height
//Matrix.perspectiveM(mMtrxProjection,);
val left = -ratio
val bottom = -1.0f
val top = 1.0f
val near = 1.0f
val far = 10.0f
Matrix.frustumM(mMtrxProjection, 0, left, ratio, bottom, top, near, far)
}
companion object
{
fun loadShader(type: Int, shaderCode: String): Int
{
val shader = GLES20.glCreateShader(type)
GLES20.glShaderSource(shader, shaderCode)
GLES20.glCompileShader(shader)
return shader
}
}
}

101
app/src/main/java/sgd/and04/layout/Spiral2D/MyGLSurfaceView.kt
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package pavelsobolev.kotogl.Spiral2D
import android.content.Context
import android.graphics.PixelFormat
import android.opengl.GLSurfaceView
import android.util.Log.wtf
import android.view.MotionEvent
import pavelsobolev.kotogl.Helpers.TiltData
import pavelsobolev.kotogl.Helpers.TiltDirections
import java.util.*
// view for rendering the 2D scene - for embedding into the activity
class MyGLSurfaceView(context: Context) : GLSurfaceView(context), Observer
{
private val myGLRenderer: MyGLRenderer
private val TOUCH_SCALE_RATIO = 180.0f / 400
private var mPrevX: Float = 0.toFloat()
private var mPrevY: Float = 0.toFloat()
init
{
setEGLContextClientVersion(2)
setEGLConfigChooser(8, 8, 8, 8, 16, 0);
getHolder().setFormat(PixelFormat.TRANSPARENT);
setZOrderOnTop(true);
myGLRenderer = MyGLRenderer()
setRenderer(myGLRenderer)
}
override fun onTouchEvent(motiEvent: MotionEvent): Boolean
{
val posx = motiEvent.x
val posy = motiEvent.y
when (motiEvent.action)
{
MotionEvent.ACTION_MOVE ->
{
var deltaX = posx - mPrevX
var deltaY = posy - mPrevY
if (posy > height / 2)
{
deltaX = -deltaX
}
if (x < width / 2)
{
deltaY = -deltaY
}
myGLRenderer.Angle = (myGLRenderer.Angle + (deltaX + deltaY) * TOUCH_SCALE_RATIO)
requestRender()
}
}
mPrevX = posx
mPrevY = posy
return true
}
// when information in TiltData global object is changed this object will get notification and
// will force the scene renderer to redraw the picture
override fun update(observableObject: Observable?, observableData: Any?)
{
when (TiltData.getDirection())
{
TiltDirections.UP -> myGLRenderer.CurrentSquareDirection = true
TiltDirections.DOWN -> myGLRenderer.CurrentSquareDirection = false
TiltDirections.LEFT -> myGLRenderer.CurrentTriangleDirection = true
TiltDirections.RIGHT -> myGLRenderer.CurrentTriangleDirection = false
else -> wtf("tiltdata", "Cannot start renderer")
}
requestRender()
}
fun sendVoiceCommandData(voiceCommand: String)
{
var squareWords = arrayListOf<String>("square", "four", "for")
if (squareWords.contains(voiceCommand))
{
myGLRenderer.CurrentSquareDirection = !myGLRenderer.CurrentSquareDirection
return
}
var triangleWords = arrayListOf<String>("triangle", "three", "tree", "free")
if (triangleWords.contains(voiceCommand))
{
myGLRenderer.CurrentTriangleDirection = !myGLRenderer.CurrentTriangleDirection
return
}
requestRender()
}
}

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app/src/main/java/sgd/and04/layout/Spiral2D/Spiral.kt
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package pavelsobolev.kotogl.Spiral2D
import android.opengl.GLES10.GL_LINE_SMOOTH
import android.opengl.GLES20
import java.nio.ByteBuffer
import java.nio.ByteOrder
import java.nio.FloatBuffer
class Spiral
{
internal val COORDS_IN_VERTEX = 7
private val mVrtxBffr: FloatBuffer
private val mFloatSize = 4
private val mCntPoint = 360 * 6
val mSpiralVirtices = FloatArray(mCntPoint * COORDS_IN_VERTEX)
private var mIncrementalRadius = 0.0f
private var mSpiralSpan = 0.003f
private var mUp = true
private val mClrOffset = 3
/** Size of the position data in elements. */
private val mPstnDataSize = 3
/** Size of the color data in elements. */
private val mClrDataSize = 4
private val mVrtxShaderCode = "uniform mat4 uMVPMatrix;" +
"attribute vec4 a_Position;" +
"attribute vec4 a_Color;" +
"varying vec4 v_Color;" +
"void main() {" +
" v_Color = a_Color;" +
" gl_Position = uMVPMatrix * a_Position;" +
"}"
private val mFrgmntShaderCode = "precision mediump float;" +
"varying vec4 v_Color;" +
"void main() {" +
" gl_FragColor = v_Color;" +
"}"
private val mSdrProgram: Int
private var mPstnHandle: Int = 0
private var mClrHandle: Int = 0
private var mMVPMtrxHandle: Int = 0
private val mVrtxCount = mSpiralVirtices.size / COORDS_IN_VERTEX
private val mVrtxStride = COORDS_IN_VERTEX * 4 // 4 bytes per vertex
init // constructor
{
GLES20.glLineWidth(15f)
mIncrementalRadius = 0.0f
mSpiralSpan = 0.00042f
var angl = 0.0f //helper vars
var color = 0.0f
var i = 0
// circle for constructing of spiral
while (i < mCntPoint * COORDS_IN_VERTEX)
{
// position
mSpiralVirtices[i] = mIncrementalRadius * Math.sin(angl.toDouble()).toFloat()
mSpiralVirtices[i + 1] = mIncrementalRadius * Math.cos(angl.toDouble()).toFloat()
mSpiralVirtices[i + 2] = 0.0f
// color
mSpiralVirtices[i + 3] = color
mSpiralVirtices[i + 4] = Math.cos(color.toDouble()).toFloat()
mSpiralVirtices[i + 5] = Math.sin(color.toDouble()).toFloat()
mSpiralVirtices[i + 6] = 1.0f
angl += (Math.PI / 180.0).toFloat()
mIncrementalRadius += mSpiralSpan
if (mUp)
color += 0.1f
else
color -= 0.1f
if (color == 1f)
mUp = false
if (color == 0f)
mUp = true
i += COORDS_IN_VERTEX
}
// construction of buffer
val bb = ByteBuffer.allocateDirect(mSpiralVirtices.size * mFloatSize)
bb.order(ByteOrder.nativeOrder())
mVrtxBffr = bb.asFloatBuffer()
mVrtxBffr.put(mSpiralVirtices)
mVrtxBffr.position(0)
val vertexShader = MyGLRenderer.loadShader(GLES20.GL_VERTEX_SHADER,
mVrtxShaderCode)
val fragmentShader = MyGLRenderer.loadShader(GLES20.GL_FRAGMENT_SHADER,
mFrgmntShaderCode)
mSdrProgram = GLES20.glCreateProgram()
GLES20.glAttachShader(mSdrProgram, vertexShader)
GLES20.glAttachShader(mSdrProgram, fragmentShader)
GLES20.glBindAttribLocation(mSdrProgram, 0, "a_Position")
GLES20.glBindAttribLocation(mSdrProgram, 1, "a_Color")
GLES20.glLinkProgram(mSdrProgram)
}
fun getSpiralVirtices(): FloatArray {
return mSpiralVirtices
}
fun draw(mvpMatrix: FloatArray)
{
GLES20.glUseProgram(mSdrProgram)
mPstnHandle = GLES20.glGetAttribLocation(mSdrProgram, "a_Position")
mVrtxBffr.position(0)
GLES20.glVertexAttribPointer(mPstnHandle, mPstnDataSize,
GLES20.GL_FLOAT, false,
mVrtxStride, mVrtxBffr)
GLES20.glEnableVertexAttribArray(mPstnHandle)
mClrHandle = GLES20.glGetAttribLocation(mSdrProgram, "a_Color")
mVrtxBffr.position(mClrOffset)
GLES20.glVertexAttribPointer(mClrHandle, mClrDataSize, GLES20.GL_FLOAT, false,
mVrtxStride, mVrtxBffr)
GLES20.glEnableVertexAttribArray(mClrHandle)
mMVPMtrxHandle = GLES20.glGetUniformLocation(mSdrProgram, "uMVPMatrix")
GLES20.glUniformMatrix4fv(mMVPMtrxHandle, 1, false, mvpMatrix, 0)
GLES20.glEnable(GL_LINE_SMOOTH)
GLES20.glDrawArrays(GLES20.GL_LINE_LOOP, 0, mVrtxCount)
GLES20.glDisableVertexAttribArray(mPstnHandle)
}
}

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app/src/main/java/sgd/and04/layout/Spiral2D/Square.kt
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package pavelsobolev.kotogl.Spiral2D
import android.opengl.GLES20
import java.nio.ByteBuffer
import java.nio.ByteOrder
import java.nio.FloatBuffer
import java.nio.ShortBuffer
class Square
{
internal val CRDS_IN_VERTEX = 3
internal var squareCoords = floatArrayOf(-0.15f, 0.15f, 0.15f, // top left
-0.15f, -0.15f, 0.15f, // bottom left
0.15f, -0.15f, 0.15f, // bottom right
0.15f, 0.15f, 0.15f) // top right
private var mVrtxBuffer: FloatBuffer? = null
private val mDrawListBuffer: ShortBuffer
private val mOrderOfDraw = shortArrayOf(0, 1, 2, 0, 2, 3)
private val mGlobalColor = floatArrayOf(1.0f, 0.0f, 0.0f, 0.0f)
private val mColorIncrement = floatArrayOf(0.05f, 0.001f, 0.025f, 0.001f)
private val mColorUp = booleanArrayOf(false, true, true, true)
private val mVrtxShaderCode = "uniform mat4 uMVPMatrix;" +
"attribute vec4 vPosition;" +
"void main() {" +
" gl_Position = uMVPMatrix * vPosition;" +
"}"
private val mFrgmntShaderCode = "precision mediump float;" +
"uniform vec4 vColor;" +
"void main() {" +
" gl_FragColor = vColor;" +
"}"
private val mShaderProgram: Int
private var mPstnHandle: Int = 0
private var mClrHadle: Int = 0
private var mMVPMtrxHandle: Int = 0
private val mVrtxCount = squareCoords.size / CRDS_IN_VERTEX
private val mVrtxStride = CRDS_IN_VERTEX * 4
init
{
val dlb = ByteBuffer.allocateDirect(mOrderOfDraw.size * 2)
dlb.order(ByteOrder.nativeOrder())
mDrawListBuffer = dlb.asShortBuffer()
mDrawListBuffer.put(mOrderOfDraw)
mDrawListBuffer.position(0)
val vrtxShader = MyGLRenderer.loadShader(GLES20.GL_VERTEX_SHADER,
mVrtxShaderCode)
val frgmntShader = MyGLRenderer.loadShader(GLES20.GL_FRAGMENT_SHADER,
mFrgmntShaderCode)
mShaderProgram = GLES20.glCreateProgram()
GLES20.glAttachShader(mShaderProgram, vrtxShader)
GLES20.glAttachShader(mShaderProgram, frgmntShader)
GLES20.glLinkProgram(mShaderProgram)
}
fun draw(mvpMtrx: FloatArray, x: Float, y: Float, z: Float)
{
squareCoords = floatArrayOf(
x - 0.05f, y + 0.05f, z,
x - 0.05f, y - 0.05f, z,
x + 0.05f, y - 0.05f, z,
x + 0.05f, y + 0.05f, z)
val bb = ByteBuffer.allocateDirect(squareCoords.size * 4)
bb.order(ByteOrder.nativeOrder())
mVrtxBuffer = bb.asFloatBuffer()
mVrtxBuffer!!.put(squareCoords)
mVrtxBuffer!!.position(0)
GLES20.glUseProgram(mShaderProgram)
mPstnHandle = GLES20.glGetAttribLocation(mShaderProgram, "vPosition")
GLES20.glEnableVertexAttribArray(mPstnHandle)
GLES20.glEnableVertexAttribArray(mPstnHandle)
GLES20.glVertexAttribPointer(mPstnHandle, CRDS_IN_VERTEX,
GLES20.GL_FLOAT, false, mVrtxStride, mVrtxBuffer)
mClrHadle = GLES20.glGetUniformLocation(mShaderProgram, "vColor")
loopColor()
GLES20.glUniform4fv(mClrHadle, 1, mGlobalColor, 0)
mMVPMtrxHandle = GLES20.glGetUniformLocation(mShaderProgram, "uMVPMatrix")
GLES20.glUniformMatrix4fv(mMVPMtrxHandle, 1, false, mvpMtrx, 0)
GLES20.glDrawArrays(GLES20.GL_TRIANGLE_FAN, 0, mVrtxCount)
GLES20.glDisableVertexAttribArray(mPstnHandle)
}
fun loopColor()
{
for (i in mGlobalColor.indices)
{
if (mColorUp[i]) {
if (mGlobalColor[i] <= 1.1)
mGlobalColor[i] += mColorIncrement[i]
else
mColorUp[i] = false
}
else
{
if (mGlobalColor[i] >= 0.01)
mGlobalColor[i] = mGlobalColor[i] - mColorIncrement[i]
else
mColorUp[i] = true
}
}
}
}

168
app/src/main/java/sgd/and04/layout/Spiral2D/Triangle.kt
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package pavelsobolev.kotogl.Spiral2D
import android.opengl.GLES20
import java.nio.ByteBuffer
import java.nio.ByteOrder
import java.nio.FloatBuffer
// represent the triangle which has different color for aech vertex with using of interpolation
// color of each vertex is changing cyclically during the process of rendering
class Triangle
{
private val COORDS_PER_VERTEX = 7
private val mFloatSizeInBytes = 4
private var mVertexBuffer: FloatBuffer? = null
private var mTriangle1VertData = floatArrayOf(
// X, Y, Z,
// R, G, B, A
-0.5f, -0.25f, 0.0f, // 0 1 2
1.0f, 0.0f, 0.0f, 1.0f, // 3 4 5 6
0.5f, -0.25f, 0.0f, // 7 8 9
0.0f, 1.0f, 0.0f, 1.0f, // 10 11 12 13
0.0f, 0.559016994f, 0.0f, // 14 15 16
0.0f, 0.0f, 1.0f, 1.0f // 17 18 19 20
)
private val mColors = floatArrayOf(
1.0f, 0.0f, 0.0f, 1.0f,
0.0f, 1.0f, 0.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f)
private val mColorIncrement = floatArrayOf(
0.05f, 0.001f, 0.025f, 0.001f,
0.02f, 0.02f, 0.025f, 0.001f,
0.01f, 0.005f, 0.025f, 0.001f,
0.04f, 0.005f, 0.025f, 0.001f)
private val mColorUp = booleanArrayOf(
false, true, true,
true, true, false,
true, true, true,
true, false, true)
private val mColorOffset = 3
//
private val mPositionDataSize = 3
/** Size of the color data in elements. */
private val mColorDataSize = 4
//internal var color = floatArrayOf(1.0f, 1.0f, 0.0f, 1.0f)
private val mVrtxShaderCode = "uniform mat4 uMVPMatrix;" +
"attribute vec4 a_Position;" +
"attribute vec4 a_Color;" +
"varying vec4 v_Color;" +
"void main() {" +
" v_Color = a_Color;" +
" gl_Position = uMVPMatrix * a_Position;" +
"}"
private val mFrgmntShaderCode = "precision mediump float;" +
"varying vec4 v_Color;" +
"void main() {" +
" gl_FragColor = v_Color;" +
"}"
private val mShaderProgram: Int
private var mPositionHandle: Int = 0
private var mColorHandle: Int = 0
private var mMVPMatrixHandle: Int = 0
private val vertexCount = mTriangle1VertData.size / COORDS_PER_VERTEX
private val vertexStride = COORDS_PER_VERTEX * 4 // 4 bytes per vertex
init // constructor
{
val vertexShader = MyGLRenderer.loadShader(GLES20.GL_VERTEX_SHADER,
mVrtxShaderCode)
val fragmentShader = MyGLRenderer.loadShader(GLES20.GL_FRAGMENT_SHADER,
mFrgmntShaderCode)
mShaderProgram = GLES20.glCreateProgram()
GLES20.glAttachShader(mShaderProgram, vertexShader)
GLES20.glAttachShader(mShaderProgram, fragmentShader)
GLES20.glBindAttribLocation(mShaderProgram, 0, "a_Position")
GLES20.glBindAttribLocation(mShaderProgram, 1, "a_Color")
GLES20.glLinkProgram(mShaderProgram)
}
fun draw(mvpMatrix: FloatArray, x: Float, y: Float, z: Float)
{
mTriangle1VertData = floatArrayOf(
x, y + 0.08f, z,
mColors[0], mColors[1], mColors[2], mColors[3],
x - 0.08f, y - 0.08f, z,
mColors[4], mColors[5], mColors[6], mColors[7],
x + 0.08f, y - 0.08f, z,
mColors[8], mColors[9], mColors[10], mColors[11])
val bb = ByteBuffer.allocateDirect(mTriangle1VertData.size * mFloatSizeInBytes)
bb.order(ByteOrder.nativeOrder())
mVertexBuffer = bb.asFloatBuffer()
mVertexBuffer!!.put(mTriangle1VertData)
mVertexBuffer!!.position(0)
GLES20.glUseProgram(mShaderProgram)
loopColor() //change color cyclically
mPositionHandle = GLES20.glGetAttribLocation(mShaderProgram, "a_Position")
// triangle coordinate data
mVertexBuffer!!.position(0)
GLES20.glVertexAttribPointer(mPositionHandle, mPositionDataSize,
GLES20.GL_FLOAT, false,
vertexStride, mVertexBuffer)
GLES20.glEnableVertexAttribArray(mPositionHandle)
// Set mColors for drawing the triangle
mColorHandle = GLES20.glGetAttribLocation(mShaderProgram, "a_Color")
mVertexBuffer!!.position(mColorOffset)
GLES20.glVertexAttribPointer(mColorHandle, mColorDataSize, GLES20.GL_FLOAT, false,
vertexStride, mVertexBuffer)
GLES20.glEnableVertexAttribArray(mColorHandle)
mMVPMatrixHandle = GLES20.glGetUniformLocation(mShaderProgram, "uMVPMatrix")
GLES20.glUniformMatrix4fv(mMVPMatrixHandle, 1, false, mvpMatrix, 0)
// Draw the triangle
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vertexCount)
// Disable vertex array
GLES20.glDisableVertexAttribArray(mPositionHandle)
}
fun loopColor() //change color of each vertex cyclically
{
for (k in 0..11)
{
if (mColorUp[k])
{
if (mColors[k] <= 1.1)
mColors[k] += mColorIncrement[k]
else
mColorUp[k] = false
}
else
{
if (mColors[k] >= 0.01)
mColors[k] -= mColorIncrement[k]
else
mColorUp[k] = true
}
}
}
}

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app/src/main/java/sgd/and04/layout/TableActivity.kt
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package sgd.and04.layout
import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log
import android.view.View
import android.widget.TextView
class TableActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_table)
}
fun onButtonLinearLayoutClick(view: View) {
startActivity(Intent(this, MainActivity::class.java))
}
fun onButtonRelativeLayoutClick(view: View) {
startActivity(Intent(this, RelativeActivity::class.java))
}
fun onButtonFrameLayoutClick(view: View) {
startActivity(Intent(this, FrameActivity::class.java))
}
fun onButtonGridLayoutClick(view: View) {
startActivity(Intent(this, GridActivity::class.java))
}
}

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app/src/main/res/drawable-v24/ic_launcher_foreground.xml
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
<aapt:attr name="android:fillColor">
<gradient
android:endX="85.84757"
android:endY="92.4963"
android:startX="42.9492"
android:startY="49.59793"
android:type="linear">
<item
android:color="#44000000"
android:offset="0.0" />
<item
android:color="#00000000"
android:offset="1.0" />
</gradient>
</aapt:attr>
</path>
<path
android:fillColor="#FFFFFF"
android:fillType="nonZero"
android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
android:strokeWidth="1"
android:strokeColor="#00000000" />
</vector>

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app/src/main/res/drawable/.comments/IMG_20230113_073241.jpg.xml
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<?xml version="1.0" encoding="UTF-8"?>
<comment version="3.0">
<caption/>
<note>acket = 0,12,-8 FaceNum=0 FocusArea=111111111</note>
<place/>
<categories/>
</comment>

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app/src/main/res/drawable/.comments/flower4.jpg.xml
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<?xml version="1.0" encoding="UTF-8"?>
<comment version="3.0">
<caption/>
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android:layout_gravity="end"
android:layout_marginEnd="50dp"
android:layout_marginTop="50dp"/>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:srcCompat="@drawable/blue_card"
android:layout_gravity="end"
android:layout_marginEnd="70dp"
android:layout_marginTop="70dp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/layout_uebersicht"
android:layout_marginLeft="30dp"
android:layout_marginBottom="15dp"
android:padding="10dp"
android:background="#aa000000"
android:textColor="#ffffff"
android:layout_gravity="bottom|left"/>
</FrameLayout>

32
app/src/main/res/layout/activity_grid.xml
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<?xml version="1.0" encoding="utf-8"?>
<GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp"
android:orientation="vertical">
<ImageView
android:layout_gravity="top|center"
app:srcCompat="@drawable/headline_icon"/>
<TextView
android:text="@string/layout_uebersicht"/>
<Button
android:layout_width="match_parent"
android:onClick="onButtonLinearLayoutClick"
android:text="@string/linear_layout"/>
<Button
android:layout_width="match_parent"
android:onClick="onButtonTableLayoutClick"
android:text="@string/table_layout"/>
<Button
android:layout_width="match_parent"
android:onClick="onButtonRelativeLayoutClick"
android:text="@string/relative_layout"/>
<Button
android:layout_width="match_parent"
android:onClick="onButtonFrameLayoutClick"
android:text="@string/frame_layout"/>
<ImageView
android:layout_gravity="bottom|center"
app:srcCompat="@drawable/baseline_icon"/>
</GridLayout>

44
app/src/main/res/layout/activity_image_switcher.xml
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@ -0,0 +1,44 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/frame_layout">
<Button
android:backgroundTint="#fa0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="5dp"
android:id="@+id/prev"
android:text="Prev"/>
<Button
android:backgroundTint="#fa0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="end"
android:layout_marginEnd="5dp"
android:id="@+id/next"
android:text="Next"/>
<ScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<HorizontalScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/scrollView">
</HorizontalScrollView>
</ScrollView>
<Button
android:backgroundTint="#fa0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="end|bottom"
android:layout_marginEnd="5dp"
android:onClick="onButtonExitClick"
android:text="Exit"/>
</FrameLayout>

73
app/src/main/res/layout/activity_main.xml
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<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/app_background"
tools:context=".MainActivity">
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:gravity="center"
android:padding="16dp"
tools:context=".MainActivity">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:srcCompat="@drawable/headline_icon"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/layout_uebersicht"/>
<Button
android:backgroundTint="#fa0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onButtonTableLayoutClick"
android:text="@string/table_layout"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onButtonRelativeLayoutClick"
android:text="@string/relative_layout"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onButtonFrameLayoutClick"
android:text="@string/frame_layout"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onButtonGridLayoutClick"
android:text="@string/grid_layout"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onButtonScrollLayoutClick"
android:text="ScrollLayout"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onButtonImageSwitcherClick"
android:text="ImageSwitcher"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onButtonOpenGLClick"
android:text="OpenGL"/>
</LinearLayout>
</ScrollView>

34
app/src/main/res/layout/activity_main_screen.xml
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@ -0,0 +1,34 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="MainScreenActivity">
<com.google.android.material.appbar.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppBarOverlay">
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@color/purple_500"
app:popupTheme="@style/AppPopupOverlay" />
</com.google.android.material.appbar.AppBarLayout>
<include layout="@layout/content_main_screen" />
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="@dimen/fab_margin"
app:srcCompat="@android:drawable/ic_btn_speak_now" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>

19
app/src/main/res/layout/activity_open_glactivity.xml
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".OpenGLActivity">
<android.opengl.GLSurfaceView
android:layout_width="300dp"
android:layout_height="300dp"
android:id="@+id/my_surface_view"
/>
</androidx.constraintlayout.widget.ConstraintLayout>

83
app/src/main/res/layout/activity_relative.xml
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@ -0,0 +1,83 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp"
android:background="@drawable/app_background">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:srcCompat="@drawable/headline_icon"
android:layout_alignParentTop="true"/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_centerHorizontal="true"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Layoutübersicht:"
android:id="@+id/textview_relative"/>
<LinearLayout
android:id="@+id/linearLayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/textview_relative"
android:orientation="vertical">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginHorizontal="10dp"
android:onClick="onButtonLinearLayoutClick"
android:text="@string/linear_layout"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginHorizontal="20dp"
android:onClick="onButtonTableLayoutClick"
android:text="@string/table_layout"/>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:gravity="center">
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginHorizontal="10dp"
android:onClick="onButtonFrameLayoutClick"
android:text="@string/frame_layout"/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginHorizontal="30dp"
android:onClick="onButtonGridLayoutClick"
android:text="@string/grid_layout" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:srcCompat="@drawable/baseline_icon"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"/>
</RelativeLayout>

32
app/src/main/res/layout/activity_scroll.xml
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<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/app_background">
<ScrollView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/scrollView">
<HorizontalScrollView
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
app:srcCompat="@drawable/horseshoe"/>
</HorizontalScrollView>
</ScrollView>
<Button
android:backgroundTint="#fa0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="5dp"
android:onClick="onButtonExitClick"
android:text="Exit"/>
</FrameLayout>

35
app/src/main/res/layout/activity_table.xml
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<?xml version="1.0" encoding="utf-8"?>
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/app_background"
android:gravity="center"
android:id="@+id/tableLayout"
>
<TableRow>
<TextView android:text="@string/layout_uebersicht"
android:layout_span="4"
android:padding="20dp"/>
</TableRow>
<TableRow
android:padding="8dp">
<ImageView app:srcCompat="@drawable/android"/>
<Button android:text="@string/linear_layout"
android:onClick="onButtonLinearLayoutClick"/>
<ImageView app:srcCompat="@drawable/android" />
<Button android:text="@string/relative_layout"
android:onClick="onButtonRelativeLayoutClick"/>
</TableRow>
<TableRow
android:layout_width="fill_parent"
android:gravity="center_vertical"
android:padding="8dp">
<ImageView app:srcCompat="@drawable/android"/>
<Button android:text="@string/frame_layout"
android:onClick="onButtonFrameLayoutClick"/>
<ImageView app:srcCompat="@drawable/android" />
<Button android:text="@string/grid_layout"
android:onClick="onButtonGridLayoutClick"/>
</TableRow>
</TableLayout>

14
app/src/main/res/layout/content_main_screen.xml
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@ -0,0 +1,14 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/mainLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/app_background"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="MainScreenActivity"
tools:showIn="@layout/activity_main_screen">
</androidx.constraintlayout.widget.ConstraintLayout>

24
app/src/main/res/layout/stop.xml
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<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/app_background"
android:onClick="onLayoutClick">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:srcCompat="@drawable/stop"
android:layout_marginStart="30dp"
android:layout_marginTop="30dp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="STOP"
android:layout_marginLeft="35dp"
android:layout_marginTop="40dp"
android:padding="10dp"
android:textColor="#ffffff"
android:layout_gravity="top|left"/>
</FrameLayout>

68
app/src/main/res/menu/menu_main_screen.xml
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<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context="pavelsobolev.kotogl.Activities.MainScreenActivity">
<!--item
android:id="@+id/action_2DCurve"
android:orderInCategory="100"
android:icon="@drawable/curve"
android:title="@string/action_settings2DP"
app:showAsAction="always" /-->
<!--item
android:id="@+id/action_2DCurve"
android:orderInCategory="100"
android:icon="@drawable/curve"
android:title="@string/action_settings2DP"
app:showAsAction="always" /-->
<item
android:id="@+id/action_2D"
android:orderInCategory="100"
android:icon="@drawable/spiral"
android:title="@string/action_settings2D"
app:showAsAction="always" />
<item
android:id="@+id/action_3D"
android:orderInCategory="101"
android:title="@string/action_settings3D"
android:icon="@drawable/if_ic_3d_rotation_48px_351995"
app:showAsAction="always" />
<item
android:id="@+id/action_Rotate"
android:checkable="true"
android:checked="true"
android:icon="@drawable/leftright"
android:orderInCategory="102"
android:title="@string/action_settingRotatDirection"
app:showAsAction="always" />
<item
android:id="@+id/action_Tilt"
android:orderInCategory="103"
android:title="@string/action_tilt"
android:icon="@drawable/rotate"
app:showAsAction="always"
android:visible="false"/>
<item
android:id="@+id/action_manual"
android:orderInCategory="104"
android:title="@string/action_settingsManual"
android:icon="@drawable/if_ic_history_48px_352426"
app:showAsAction="always" />
<item
android:id="@+id/action_settingsDistance"
android:orderInCategory="105"
android:icon="@drawable/if_ic_dashboard_48px_352300"
android:title="@string/action_settingPos"
app:showAsAction="never" />
<item
android:id="@+id/action_swap_textures"
android:orderInCategory="106"
android:icon="@drawable/if_3d_touch_2_1504646"
android:title="@string/action_swp"
app:showAsAction="never" />
<item
android:id="@+id/action_exit"
android:orderInCategory="106"
android:icon="@drawable/if_3d_touch_2_1504646"
android:title="Exit"
app:showAsAction="never" />
</menu>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

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