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jafu888jafu888
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open gles 1.1 graph (#831)
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‎demoProjects/OpenGLEsGraph3D/.idea/.gitignore

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‎demoProjects/OpenGLEsGraph3D/.idea/.name

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‎demoProjects/OpenGLEsGraph3D/app/.gitignore

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/build

‎demoProjects/OpenGLEsGraph3D/app/build.gradle

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plugins {
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id 'com.android.application'
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}
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android {
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namespace 'android.support.viewsgraph3d'
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compileSdk 33
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defaultConfig {
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applicationId "android.support.viewsgraph3d"
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minSdk 25
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targetSdk 33
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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}
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dependencies {
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implementation 'androidx.appcompat:appcompat:1.6.1'
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implementation 'com.google.android.material:material:1.9.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
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testImplementation 'junit:junit:4.13.2'
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androidTestImplementation 'androidx.test.ext:junit:1.1.5'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
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}

‎demoProjects/OpenGLEsGraph3D/app/proguard-rules.pro

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

‎demoProjects/OpenGLEsGraph3D/app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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android:fullBackupContent="@xml/backup_rules"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:supportsRtl="true"
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android:theme="@style/Theme.ViewsGraph3d"
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tools:targetApi="31">
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<activity
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android:name=".MainActivity"
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android:exported="true">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎demoProjects/OpenGLEsGraph3D/app/src/main/java/android/support/constraintLayout/extlib/graph3d/Graph.java

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package android.support.constraintLayout.extlib.graph3d;
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import android.support.constraintLayout.extlib.graph3d.objects.AxisBox;
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import android.support.constraintLayout.extlib.graph3d.objects.Surface3D;
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public class Graph {
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Scene3D mScene3D = new Scene3D();
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int mGraphType = 2;
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private float mLastTouchX0 = Float.NaN;
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private float mLastTouchY0;
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private float mLastTrackBallX;
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private float mLastTrackBallY;
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double mDownScreenWidth;
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Surface3D mSurface;
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AxisBox mAxisBox;
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float range = 20;
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float minZ = -10;
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float maxZ = 10;
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float mZoomFactor = 1;
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long nanoTime;
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float time = 0;
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int graphWidth;
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int graphHeight;
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ImageSupport image;
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public interface ImageSupport {
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void makeImage(int w, int h);
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int[] getBacking();
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}
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public Graph(ImageSupport image) {
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this.image = image;
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mAxisBox = new AxisBox();
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mAxisBox.setRange(-range, range, -range, range, minZ, maxZ);
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mScene3D.addPostObject(mAxisBox);
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buildSurface(DEFAULT);
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resetCamera();
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}
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public static Surface3D DEFAULT = new Surface3D((x, y, t) -> {
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double d = Math.sqrt(x * x + y * y);
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return 0.3f * (float) (Math.cos(d) * (y * y - x * x) / (1 + d));
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});
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public void buildSurface(Surface3D surface3D) {
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mSurface = surface3D;
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mSurface.setRange(-range, range, -range, range, minZ, maxZ);
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mScene3D.setObject(mSurface);
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}
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public void resetCamera() {
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mScene3D.resetCamera();
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}
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public void setStartTime() {
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nanoTime = System.nanoTime();
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}
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public void tick(long now) {
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time += (now - nanoTime) * 1E-9f;
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nanoTime = now;
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mSurface.calcSurface(time, false);
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mScene3D.update();
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}
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public void resize(int width, int height) {
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graphHeight = height;
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graphWidth = width;
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image.makeImage(width, height);
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mScene3D.setScreenDim(width, height, image.getBacking(), 0x00AAAAAA);
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}
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public void trackDown(float x, float y) {
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mDownScreenWidth = mScene3D.getScreenWidth();
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mLastTouchX0 = x;
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mLastTouchY0 = y;
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mScene3D.trackBallDown(mLastTouchX0, mLastTouchY0);
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mLastTrackBallX = mLastTouchX0;
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mLastTrackBallY = mLastTouchY0;
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}
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public void trackDrag(float x, float y) {
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if (Float.isNaN(mLastTouchX0)) {
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return;
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}
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float tx = x;
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float ty = y;
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float moveX = (mLastTrackBallX - tx);
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float moveY = (mLastTrackBallY - ty);
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if (moveX * moveX + moveY * moveY < 4000f) {
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mScene3D.trackBallMove(tx, ty);
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}
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mLastTrackBallX = tx;
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mLastTrackBallY = ty;
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}
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public void trackDone() {
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mLastTouchX0 = Float.NaN;
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mLastTouchY0 = Float.NaN;
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}
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public void wheel(float rotation, boolean control) {
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if (control) {
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mZoomFactor *= (float) Math.pow(1.01, rotation);
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mScene3D.setZoom(mZoomFactor);
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mScene3D.setUpMatrix(graphWidth, graphHeight);
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mScene3D.update();
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} else {
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range = range * (float) Math.pow(1.01, rotation);
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mSurface.setArraySize(Math.min(300, (int) (range * 5)));
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mSurface.setRange(-range, range, -range, range, minZ, maxZ);
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mAxisBox.setRange(-range, range, -range, range, minZ, maxZ);
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mScene3D.update();
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}
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}
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public static final Surface3D BLACK_HOLE_MERGE = new Surface3D((x, y, t) -> {
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float d = (float) Math.sqrt(x * x + y * y);
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float d2 = (float) Math.pow(x * x + y * y, 0.125);
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float angle = (float) Math.atan2(y, x);
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float s = (float) Math.sin(d + angle - t * 5);
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float s2 = (float) Math.sin(t);
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float c = (float) Math.cos(d + angle - t * 5);
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return (s2 * s2 + 0.1f) * d2 * 5 * (s + c) / (1 + d * d / 20);
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// return (float) (s*s+0.1) * (float) (Math.cos(d-time*5) *(y*y-x*x) /(1+d*d));
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});
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public void render() {
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if (mScene3D.notSetUp()) {
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mScene3D.setUpMatrix(graphWidth, graphHeight);
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}
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mScene3D.render(mGraphType);
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}
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public void lightMovesWithCamera(boolean doesMove) {
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mScene3D.mLightMovesWithCamera = doesMove;
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}
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public void setSaturation(float sat) {
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mSurface.mSaturation = sat;
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mScene3D.update();
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}
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}

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