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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.movingeffects;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Paint.Style;
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import android.opengl.GLSurfaceView;
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import android.os.Build;
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import android.view.MotionEvent;
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import android.util.AttributeSet;
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import org.distorted.library.EffectTypes;
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import org.distorted.library.type.Dynamic2D;
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import org.distorted.library.type.Dynamic3D;
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import org.distorted.library.type.Static2D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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///////////////////////////////////////////////////////////////////
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public class MovingEffectsSurfaceView extends GLSurfaceView
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{
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private static final int LOOP_TIME = 5000;
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private static final int NUM_INTERPOLATIONS= 100;
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public static final int EFFECT_POINTS=0;
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public static final int EFFECT_BUBBLE=1;
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public static final int EFFECT_SINK =2;
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public static final int EFFECT_TRANS =3;
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public static final int EFFECT_MACRO =4;
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public static final int EFFECT_SWIRL =5;
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private static MovingEffectsRenderer mRenderer;
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private static int xDown,yDown;
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private static int mScrW, mScrH;
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private static Dynamic2D di2D;
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private static Dynamic3D di3D;
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private static Static4D dr;
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private static Paint mPaint;
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private static int moving;
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private static Object lock = new Object();
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private static long mTime = 0;
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private static int mCurrEffect;
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///////////////////////////////////////////////////////////////////
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public MovingEffectsSurfaceView(Context c, AttributeSet attrs)
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{
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super(c, attrs);
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mCurrEffect=EFFECT_POINTS;
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mPaint = new Paint();
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mPaint.setStyle(Style.FILL);
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moving = -1;
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di2D = new Dynamic2D();
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di2D.setCount(0.0f);
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di2D.setDuration(LOOP_TIME);
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di3D = new Dynamic3D();
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di3D.add(new Static3D(0,0, 0));
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di3D.add(new Static3D(0,0,30));
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dr = new Static4D(0,0,60,60);
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if(!isInEditMode())
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{
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setFocusable(true);
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setFocusableInTouchMode(true);
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setEGLContextClientVersion(2);
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if( Build.FINGERPRINT.startsWith("generic") ) // when running on the emulator, insert a magic line that is
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{ // supposed to cure the 'no config chosen' crash on emulator startup
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setEGLConfigChooser(8, 8, 8, 8, 16, 0);
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}
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mRenderer = new MovingEffectsRenderer(this);
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setRenderer(mRenderer);
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}
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}
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///////////////////////////////////////////////////////////////////
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public static void setScreenSize(int width, int height)
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{
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mScrW = width;
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mScrH = height;
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}
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///////////////////////////////////////////////////////////////////
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public static int getCurrentEffect()
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{
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return mCurrEffect;
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}
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///////////////////////////////////////////////////////////////////
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public static void Bubble()
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{
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if( mCurrEffect==EFFECT_BUBBLE ) return;
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synchronized(lock)
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{
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.VERTEX);
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.FRAGMENT);
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MovingEffectsRenderer.mBackground.distort(di3D, dr, di2D);
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mCurrEffect = EFFECT_BUBBLE;
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}
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}
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///////////////////////////////////////////////////////////////////
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public static void Sink()
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{
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if( mCurrEffect==EFFECT_SINK ) return;
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synchronized(lock)
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{
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.VERTEX);
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.FRAGMENT);
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MovingEffectsRenderer.mBackground.sink(10.0f, dr, di2D, 0, 0.5f);
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mCurrEffect = EFFECT_SINK;
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}
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}
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///////////////////////////////////////////////////////////////////
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public static void Macroblock()
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{
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if( mCurrEffect==EFFECT_MACRO ) return;
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synchronized(lock)
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{
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.VERTEX);
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.FRAGMENT);
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MovingEffectsRenderer.mBackground.macroblock(3, dr, di2D, 0, 0.5f);
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mCurrEffect = EFFECT_MACRO;
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}
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}
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///////////////////////////////////////////////////////////////////
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public static void Transparency()
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{
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if( mCurrEffect==EFFECT_TRANS ) return;
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synchronized(lock)
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{
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.VERTEX);
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.FRAGMENT);
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MovingEffectsRenderer.mBackground.smooth_alpha(0.5f, dr, di2D, 0, 0.5f);
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mCurrEffect = EFFECT_TRANS;
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}
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}
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///////////////////////////////////////////////////////////////////
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public static void Swirl()
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{
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if( mCurrEffect==EFFECT_SWIRL ) return;
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synchronized(lock)
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{
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.VERTEX);
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.FRAGMENT);
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MovingEffectsRenderer.mBackground.swirl(30, dr, di2D);
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mCurrEffect = EFFECT_SWIRL;
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}
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}
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///////////////////////////////////////////////////////////////////
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public static void Abort()
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{
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synchronized(lock)
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{
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.VERTEX);
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MovingEffectsRenderer.mBackground.abortEffects(EffectTypes.FRAGMENT);
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di2D.removeAll();
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mCurrEffect = EFFECT_POINTS;
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}
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}
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///////////////////////////////////////////////////////////////////
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public static void drawCurve(Canvas c, long time)
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{
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synchronized(lock)
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{
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int len = di2D.getNumPoints();
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float[] drawCoord = new float[2];
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Static2D cu;
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int lit = mTime> 0 ? (int)((float)(time-mTime)*NUM_INTERPOLATIONS/LOOP_TIME) : 0;
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if( len>=2 )
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{
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for(int i=0; i<NUM_INTERPOLATIONS; i++)
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{
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int color = i<=lit ? 0xff - (lit -i)*0xff/(NUM_INTERPOLATIONS-1)
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: 0xff - (lit+NUM_INTERPOLATIONS-i)*0xff/(NUM_INTERPOLATIONS-1);
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mPaint.setColor( 0xffffff + ((color&0xff)<<24) );
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di2D.interpolate( drawCoord, 0, (float)i/NUM_INTERPOLATIONS);
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c.drawCircle(drawCoord[0], drawCoord[1], 2.0f, mPaint );
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}
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}
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mPaint.setColor(0xffff0000);
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for(int curr=0; curr<len; curr++)
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{
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cu = di2D.getPoint(curr);
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c.drawCircle(cu.getX(), cu.getY(), 5.0f, mPaint);
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}
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if( time-mTime > LOOP_TIME ) mTime = time;
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}
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}
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///////////////////////////////////////////////////////////////////
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@Override public boolean onTouchEvent(MotionEvent event)
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{
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if( mCurrEffect!=EFFECT_POINTS ) return true;
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switch(event.getAction())
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{
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case MotionEvent.ACTION_DOWN: xDown = (int)event.getX()*MovingEffectsRenderer.BWID/mScrW;
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yDown = (int)event.getY()*MovingEffectsRenderer.BHEI/mScrH;
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float gx, gy;
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Static2D dv;
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int len = di2D.getNumPoints();
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for(int g=0; g<len; g++)
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{
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dv = di2D.getPoint(g);
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gx = dv.getX();
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gy = dv.getY();
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if( (xDown-gx)*(xDown-gx) + (yDown-gy)*(yDown-gy) < (MovingEffectsRenderer.BHEI*MovingEffectsRenderer.BHEI)/100 )
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{
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moving = g;
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break;
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}
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}
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if( moving<0 )
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{
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synchronized(lock)
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{
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di2D.add(new Static2D(xDown,yDown));
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}
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}
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break;
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case MotionEvent.ACTION_MOVE: if( moving>=0 )
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{
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xDown = (int)event.getX()*MovingEffectsRenderer.BWID/mScrW;
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yDown = (int)event.getY()*MovingEffectsRenderer.BHEI/mScrH;
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di2D.setPoint(moving, xDown, yDown);
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}
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break;
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case MotionEvent.ACTION_UP : moving = -1;
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break;
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}
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return true;
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}
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///////////////////////////////////////////////////////////////////
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// end of file
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}
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