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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.starwars;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Random;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.opengles.GL10;
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import org.distorted.examples.R;
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import org.distorted.library.effect.FragmentEffectAlpha;
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import org.distorted.library.effect.MatrixEffectMove;
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import org.distorted.library.effect.MatrixEffectRotate;
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import org.distorted.library.effect.MatrixEffectScale;
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import org.distorted.library.main.DistortedNode;
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import org.distorted.library.main.DistortedScreen;
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import org.distorted.library.mesh.MeshQuad;
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import org.distorted.library.type.Dynamic1D;
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import org.distorted.library.type.Dynamic3D;
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import org.distorted.library.type.Static1D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.message.EffectListener;
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import org.distorted.library.main.DistortedLibrary;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.main.DistortedEffects;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Typeface;
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import android.opengl.GLES31;
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import android.opengl.GLSurfaceView;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class StarWarsRenderer implements GLSurfaceView.Renderer, EffectListener
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{
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private final String[] mGFFAString =
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{ "A long time ago, in a galaxy far,",
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"far away...." }; // yes, there really was a four-dot ellipsis
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private final String[] mCRAWLString =
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{ "It is a period of civil war.", // in the original 1977 version, there was no
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"Rebel spaceships, striking", // 'Episode IV New Hope' subtitle line before
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"from a hidden base, have", // the crawl. Lets keep to the classic.
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"won their first victory",
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"against the evil Galactic",
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"Empire.",
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"",
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"During the battle, rebel",
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"spies managed to steal",
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"secret plans to the Empire's",
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"ultimate weapon, the",
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"DEATH STAR, an armored",
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"space station with enough",
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"power to destroy an entire",
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"planet.",
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"",
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"Pursued by the Empire's",
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"sinister agents, Princess",
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"Leia races home aboard her",
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"starship, custodian of the",
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"stolen plans that can save",
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"her people and restore",
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"freedom to the galaxy...." }; // four-dot.
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private final int NUM_STARS = 40;
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private final int CRAWL_COLOR = 0xffffe81f;
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private final int GFFA_COLOR = 0xff0000ff;
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private final int FONT_HEIGHT = 40;
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private final int VERTICAL_SPACING = 10;
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private final String CRAWL_TYPEFACE = "News Gothic";
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private final int CRAWL_WIDTH = 500;
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private final int CRAWL_HEIGHT= (FONT_HEIGHT+VERTICAL_SPACING)*(mCRAWLString.length+1);
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private final int GFFA_WIDTH = 600;
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private final int GFFA_HEIGHT= (FONT_HEIGHT+VERTICAL_SPACING)*(mGFFAString.length+1);
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private final float CRAWL_ANGLE = -30.0f;
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private final float FOV_ANGLE = 60.0f;
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private GLSurfaceView mView;
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private DistortedTexture mGFFATexture, mLogoTexture, mCrawlTexture, mCrawlBackgroundTexture, mStarTexture;
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private DistortedEffects mGFFAEffects, mLogoEffects, mCrawlEffects, mCrawlBackgroundEffects;
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private DistortedEffects[] mStarEffects;
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private DistortedNode mBackground;
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private DistortedScreen mScreen;
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private MeshQuad mGFFAQuad, mCrawlQuad, mCrawlBackgroundQuad, mLogoQuad, mStarQuad;
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private long alphaEffectID, scaleEffectID, moveEffectID;
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private Random mRnd = new Random(0);
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private int mWidth, mHeight;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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StarWarsRenderer(GLSurfaceView v)
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{
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mView = v;
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mGFFAQuad = new MeshQuad();
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mStarQuad = new MeshQuad();
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mCrawlQuad = new MeshQuad();
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mCrawlBackgroundQuad = new MeshQuad();
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mLogoQuad = new MeshQuad();
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mGFFAQuad.setStretch(GFFA_WIDTH,GFFA_HEIGHT,0);
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mCrawlQuad.setStretch(CRAWL_WIDTH,CRAWL_HEIGHT,0);
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mGFFAEffects = new DistortedEffects();
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mLogoEffects = new DistortedEffects();
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mCrawlEffects = new DistortedEffects();
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mCrawlBackgroundEffects = new DistortedEffects();
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if( NUM_STARS>0 )
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{
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mStarEffects = new DistortedEffects[NUM_STARS];
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mStarEffects[0] = new DistortedEffects();
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for (int i = 1; i < NUM_STARS; i++)
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mStarEffects[i] = new DistortedEffects(mStarEffects[0], DistortedLibrary.CLONE_VERTEX);
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}
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mScreen = new DistortedScreen();
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mScreen.setProjection(FOV_ANGLE, 0.02f);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onPause()
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{
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mWidth = 0;
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mHeight= 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onDrawFrame(GL10 glUnused)
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{
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mScreen.render(System.currentTimeMillis());
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onSurfaceChanged(GL10 glUnused, int width, int height)
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{
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if( mWidth!=width || mHeight!=height ) // after onPause() we get 2 calls here
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{
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mWidth = width;
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mHeight= height;
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mGFFAEffects.abortAllEffects();
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mLogoEffects.abortAllEffects();
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mCrawlEffects.abortAllEffects();
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mCrawlBackgroundEffects.abortAllEffects();
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for(int i=0; i<NUM_STARS; i++) mStarEffects[i].abortAllEffects();
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mScreen.detachAll();
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setupScreen(width,height);
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mScreen.resize(width, height);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onSurfaceCreated(GL10 glUnused, EGLConfig config)
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{
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setupBitmaps();
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FragmentEffectAlpha.enable();
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try
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{
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DistortedLibrary.onCreate(mView.getContext());
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}
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catch(Exception ex)
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{
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android.util.Log.e("Star Wars", ex.getMessage() );
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void setupScreen(int scrW, int scrH)
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{
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double angleA = (90.0f - FOV_ANGLE/2 ) * Math.PI/180;
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double angleB = (90.0f - FOV_ANGLE/2 + CRAWL_ANGLE) * Math.PI/180;
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if( mCrawlBackgroundTexture!=null ) mCrawlBackgroundTexture.markForDeletion();
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mCrawlBackgroundTexture = new DistortedTexture();
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mCrawlBackgroundQuad.setStretch(scrW,(int)(scrH*Math.sin(angleA)/Math.sin(angleB)),0);
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int randomA, randomX, randomY, randomTime;
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float randomS, randomAlpha1, randomAlpha2;
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Static3D center = new Static3D(0,0,0);
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Static3D axis = new Static3D(0,0,1);
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Static1D alphaNoise = new Static1D(0.4f);
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for(int i=0; i<NUM_STARS; i++)
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{
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randomX = mRnd.nextInt(scrW) - scrW/2;
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randomY = mRnd.nextInt(scrH) - scrH/2;
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randomS = 0.2f+ 0.8f*mRnd.nextFloat();
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randomA = (int)(180*mRnd.nextFloat());
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randomAlpha1 = 0.2f + 0.8f*mRnd.nextFloat();
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randomAlpha2 = 0.8f + 0.2f*mRnd.nextFloat();
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randomTime = 500+mRnd.nextInt(2000);
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mStarEffects[i].apply( new MatrixEffectRotate(new Static1D(randomA), axis, center) );
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mStarEffects[i].apply( new MatrixEffectScale(randomS) );
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mStarEffects[i].apply( new MatrixEffectMove(new Static3D(randomX,randomY,0)) );
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Dynamic1D di = new Dynamic1D(randomTime,0.0f);
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di.setNoise(alphaNoise);
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di.add(new Static1D(randomAlpha1));
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di.add(new Static1D(randomAlpha2));
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mStarEffects[i].apply( new FragmentEffectAlpha(di) );
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mScreen.attach(mStarTexture, mStarEffects[i], mStarQuad);
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}
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float scale = (0.5f*scrW/mGFFAQuad.getStretchX());
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Dynamic1D di = new Dynamic1D(6000,0.5f);
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di.add(new Static1D(1.0f));
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di.add(new Static1D(1.0f));
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di.add(new Static1D(0.0f));
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FragmentEffectAlpha alpha = new FragmentEffectAlpha(di);
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alpha.notifyWhenFinished(this);
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alphaEffectID = alpha.getID();
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mGFFAEffects.apply( new MatrixEffectScale(scale) );
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mGFFAEffects.apply( new MatrixEffectMove(new Static3D(-scrW/3 + mGFFAQuad.getStretchX()/2 ,scrH/6,0)) );
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263 |
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mGFFAEffects.apply( alpha );
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264 |
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mScreen.attach(mGFFATexture, mGFFAEffects, mGFFAQuad);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void setupBitmaps()
|
271 |
|
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{
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272 |
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InputStream is1 = mView.getContext().getResources().openRawResource(R.raw.starwars);
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InputStream is2 = mView.getContext().getResources().openRawResource(R.raw.star);
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Bitmap bitmapStar, bitmapGFFA, bitmapLogo, bitmapText;
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277 |
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try
|
278 |
|
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{
|
279 |
|
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bitmapLogo = BitmapFactory.decodeStream(is1);
|
280 |
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bitmapStar = BitmapFactory.decodeStream(is2);
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281 |
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}
|
282 |
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finally
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283 |
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{
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try
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{
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is1.close();
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is2.close();
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}
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catch(IOException e) { }
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}
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Paint paint = new Paint();
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293 |
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paint.setAntiAlias(true);
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294 |
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paint.setTextAlign(Paint.Align.LEFT);
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295 |
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paint.setTextSize(FONT_HEIGHT);
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296 |
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paint.setColor(GFFA_COLOR);
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Typeface tf = Typeface.create(CRAWL_TYPEFACE, Typeface.BOLD);
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paint.setTypeface(tf);
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///// create GFFA ///////////////////
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if( mGFFATexture==null ) mGFFATexture = new DistortedTexture();
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bitmapGFFA = Bitmap.createBitmap(GFFA_WIDTH,GFFA_HEIGHT,Bitmap.Config.ARGB_8888);
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bitmapGFFA.eraseColor(0x00000000);
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Canvas gffaCanvas = new Canvas(bitmapGFFA);
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for(int i=0; i<mGFFAString.length; i++)
|
308 |
|
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{
|
309 |
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gffaCanvas.drawText(mGFFAString[i], 0, (i+1)*(FONT_HEIGHT+VERTICAL_SPACING), paint);
|
310 |
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}
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mGFFATexture.setTexture(bitmapGFFA);
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///// create Logo ///////////////////
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mLogoQuad.setStretch(bitmapLogo.getWidth(),bitmapLogo.getHeight(),0);
|
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if( mLogoTexture==null ) mLogoTexture = new DistortedTexture();
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mLogoTexture.setTexture(bitmapLogo);
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///// create CRAWL //////////////////
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if( mCrawlTexture==null ) mCrawlTexture = new DistortedTexture();
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bitmapText = Bitmap.createBitmap(CRAWL_WIDTH,CRAWL_HEIGHT,Bitmap.Config.ARGB_8888);
|
322 |
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|
bitmapText.eraseColor(0x00000000);
|
323 |
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Canvas textCanvas = new Canvas(bitmapText);
|
324 |
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paint.setColor(CRAWL_COLOR);
|
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for(int i=0; i<mCRAWLString.length; i++)
|
327 |
|
|
{
|
328 |
|
|
displayJustified(mCRAWLString[i], 0, (i+1)*(FONT_HEIGHT+VERTICAL_SPACING), CRAWL_WIDTH, textCanvas, paint);
|
329 |
|
|
}
|
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mCrawlTexture.setTexture(bitmapText);
|
332 |
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333 |
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///// create Stars ///////////////////
|
334 |
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mStarQuad.setStretch(bitmapStar.getWidth(),bitmapStar.getHeight(),0);
|
335 |
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|
if( mStarTexture==null ) mStarTexture = new DistortedTexture();
|
336 |
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|
mStarTexture.setTexture(bitmapStar);
|
337 |
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}
|
338 |
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|
339 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
340 |
|
|
|
341 |
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|
private void displayJustified(String str, int x, int y, int length, Canvas c, Paint paint)
|
342 |
|
|
{
|
343 |
|
|
int len = str.length();
|
344 |
|
|
int numspaces = retNumSpaces(str);
|
345 |
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|
346 |
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|
if( len>0 && str.charAt(len-1) == ' ' ) numspaces--;
|
347 |
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|
348 |
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|
float left=x,w = (numspaces>0 ? (length-paint.measureText(str))/numspaces : 0);
|
349 |
|
|
String tmp;
|
350 |
|
|
int begin,end=0;
|
351 |
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|
|
352 |
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|
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|
while( end<len )
|
353 |
|
|
{
|
354 |
|
|
begin=end;
|
355 |
|
|
end = str.indexOf(' ', begin)+1;
|
356 |
|
|
if( end<=0 ) end = len;
|
357 |
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|
358 |
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|
tmp = str.substring(begin,end);
|
359 |
|
|
c.drawText( tmp, left, y, paint);
|
360 |
|
|
left+= (paint.measureText(tmp)+w);
|
361 |
|
|
}
|
362 |
|
|
}
|
363 |
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|
|
364 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
365 |
|
|
|
366 |
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|
Leszek Koltunski
|
private int retNumSpaces(String str)
|
367 |
|
|
{
|
368 |
|
|
int begin=0, ret=0;
|
369 |
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|
|
370 |
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|
Leszek Koltunski
|
while( true )
|
371 |
|
|
{
|
372 |
|
|
begin = str.indexOf(' ', begin) +1;
|
373 |
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|
|
374 |
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|
Leszek Koltunski
|
if( begin>0 ) ret++;
|
375 |
|
|
else break;
|
376 |
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|
Leszek Koltunski
|
}
|
377 |
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|
Leszek Koltunski
|
|
378 |
|
|
return ret;
|
379 |
|
|
}
|
380 |
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|
Leszek Koltunski
|
|
381 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
382 |
|
|
|
383 |
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|
Leszek Koltunski
|
public void effectFinished(final long effectID)
|
384 |
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|
Leszek Koltunski
|
{
|
385 |
8d5a8e06
|
Leszek Koltunski
|
if( effectID == alphaEffectID )
|
386 |
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|
Leszek Koltunski
|
{
|
387 |
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|
Leszek Koltunski
|
mScreen.detach(mGFFAEffects);
|
388 |
|
|
mGFFATexture.markForDeletion();
|
389 |
611ea379
|
Leszek Koltunski
|
|
390 |
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|
Leszek Koltunski
|
int screenW = mScreen.getWidth();
|
391 |
698ad0a8
|
Leszek Koltunski
|
float logoW = mLogoQuad.getStretchX();
|
392 |
8d5a8e06
|
Leszek Koltunski
|
int initSize= (int)(3.0f*screenW/logoW);
|
393 |
|
|
int finaSize= (int)(0.1f*screenW/logoW);
|
394 |
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|
Leszek Koltunski
|
|
395 |
8d5a8e06
|
Leszek Koltunski
|
Dynamic3D di = new Dynamic3D(10000,0.5f);
|
396 |
|
|
di.add(new Static3D(initSize,initSize,1));
|
397 |
|
|
di.add(new Static3D(finaSize,finaSize,1));
|
398 |
|
|
MatrixEffectScale scale = new MatrixEffectScale(di);
|
399 |
|
|
scale.notifyWhenFinished(this);
|
400 |
|
|
scaleEffectID = scale.getID();
|
401 |
dae661e9
|
Leszek Koltunski
|
mLogoEffects.apply( scale );
|
402 |
698ad0a8
|
Leszek Koltunski
|
mScreen.attach(mLogoTexture, mLogoEffects, mLogoQuad);
|
403 |
8d5a8e06
|
Leszek Koltunski
|
}
|
404 |
|
|
else if( effectID == scaleEffectID )
|
405 |
|
|
{
|
406 |
|
|
mScreen.detach(mLogoEffects);
|
407 |
|
|
mLogoTexture.markForDeletion();
|
408 |
427ab7bf
|
Leszek Koltunski
|
|
409 |
e8e54972
|
Leszek Koltunski
|
float crawlW = mCrawlQuad.getStretchX();
|
410 |
|
|
float crawlH = mCrawlQuad.getStretchY();
|
411 |
|
|
float screenW= mScreen.getWidth();
|
412 |
|
|
float screenH= mScreen.getHeight();
|
413 |
|
|
float backW = mCrawlBackgroundQuad.getStretchX();
|
414 |
|
|
float backH = mCrawlBackgroundQuad.getStretchY();
|
415 |
|
|
float scale = backW/crawlW;
|
416 |
8d5a8e06
|
Leszek Koltunski
|
|
417 |
386fd702
|
Leszek Koltunski
|
mCrawlBackgroundEffects.apply( new MatrixEffectRotate(new Static1D(CRAWL_ANGLE), new Static3D(1,0,0), new Static3D(0,-backH/2,0)) );
|
418 |
e8e54972
|
Leszek Koltunski
|
mCrawlBackgroundEffects.apply( new MatrixEffectMove(new Static3D( 0, (backH-screenH)/2, 0)) );
|
419 |
8d5a8e06
|
Leszek Koltunski
|
|
420 |
|
|
final int transpDist = 5;
|
421 |
627e0ea2
|
Leszek Koltunski
|
Static3D center = new Static3D( 0, (transpDist-0.5f)*backH , 0 );
|
422 |
8d5a8e06
|
Leszek Koltunski
|
Static3D region = new Static3D( transpDist*backH , transpDist*backH , transpDist*backH );
|
423 |
|
|
mCrawlBackgroundEffects.apply( new FragmentEffectAlpha(new Static1D(1-transpDist*0.6f), center, region, true) );
|
424 |
|
|
|
425 |
|
|
Dynamic3D di = new Dynamic3D(70000,0.5f);
|
426 |
386fd702
|
Leszek Koltunski
|
di.add(new Static3D(0, -(scale*crawlH+backH)/2, 0));
|
427 |
|
|
di.add(new Static3D(0, +(scale*crawlH+backH)/2, 0));
|
428 |
8d5a8e06
|
Leszek Koltunski
|
MatrixEffectMove move = new MatrixEffectMove(di);
|
429 |
|
|
move.notifyWhenFinished(this);
|
430 |
|
|
moveEffectID = move.getID();
|
431 |
|
|
|
432 |
dae661e9
|
Leszek Koltunski
|
mCrawlEffects.apply( new MatrixEffectScale(new Static3D(scale,scale,scale)) );
|
433 |
|
|
mCrawlEffects.apply( move );
|
434 |
|
|
|
435 |
e8e54972
|
Leszek Koltunski
|
mBackground = mScreen.attach(mCrawlBackgroundTexture, mCrawlBackgroundEffects, mCrawlBackgroundQuad);
|
436 |
|
|
mBackground.attach(mCrawlTexture, mCrawlEffects, mCrawlQuad);
|
437 |
8d5a8e06
|
Leszek Koltunski
|
mBackground.glDisable(GLES31.GL_DEPTH_TEST);
|
438 |
|
|
mBackground.glDepthMask(false);
|
439 |
|
|
}
|
440 |
e8e54972
|
Leszek Koltunski
|
else if( effectID == moveEffectID )
|
441 |
8d5a8e06
|
Leszek Koltunski
|
{
|
442 |
|
|
mScreen.detach(mBackground);
|
443 |
|
|
mBackground.detach(mCrawlEffects);
|
444 |
|
|
mCrawlTexture.markForDeletion();
|
445 |
|
|
mCrawlBackgroundEffects.abortAllEffects();
|
446 |
|
|
mCrawlBackgroundTexture.markForDeletion();
|
447 |
427ab7bf
|
Leszek Koltunski
|
}
|
448 |
bc0a685b
|
Leszek Koltunski
|
}
|
449 |
|
|
}
|