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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.deform;
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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.library.Distorted;
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import org.distorted.library.DistortedEffects;
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import org.distorted.library.DistortedScreen;
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import org.distorted.library.DistortedTexture;
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import org.distorted.library.MeshObject;
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import org.distorted.library.MeshFlat;
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import org.distorted.library.EffectNames;
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import org.distorted.library.EffectTypes;
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import org.distorted.library.type.Dynamic3D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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import android.graphics.Bitmap;
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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.GLES30;
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import android.opengl.GLSurfaceView;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class DeformRenderer implements GLSurfaceView.Renderer
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{
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private static final int NUM_VECTORS = 8;
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private static final int NUM_LINES = 10;
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private static final int NUM_FRAMES = 10;
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private GLSurfaceView mView;
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private DistortedTexture fpsTexture, stretchTexture;
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private DistortedEffects fpsEffects, stretchEffects;
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private MeshObject fpsMesh, stretchMesh;
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private DistortedScreen mScreen;
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private Static3D touchPoint;
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private Dynamic3D mReleasedDistortDynamic;
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private Dynamic3D mMovingDistortDynamic;
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private Static3D[] vDistort;
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private Dynamic3D mReleasedDeformDynamic;
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private Dynamic3D mMovingDeformDynamic;
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private Static3D[] vDeform;
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private Dynamic3D mReleasedShearDynamic;
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private Dynamic3D mMovingShearDynamic;
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private Static3D[] vShear;
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private Static4D mRegion;
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private Canvas fpsCanvas;
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private Bitmap fpsBitmap;
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private int scrHeight, scrWidth;
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private Paint mPaint;
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private int fpsH, fpsW;
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private String fpsString = "";
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private long lastTime=0;
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private long[] durations;
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private int currDuration;
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private float mRadius;
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private EffectNames mMode = EffectNames.DISTORT;
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private boolean bitmapCreated = false;
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private long mLastEffect = -1;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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DeformRenderer(GLSurfaceView view)
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{
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mView = view;
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mPaint = new Paint();
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mPaint.setAntiAlias(true);
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mPaint.setTextAlign(Paint.Align.CENTER);
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fpsEffects = new DistortedEffects();
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stretchEffects = new DistortedEffects();
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mRegion = new Static4D(0,0,0,0);
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durations = new long[NUM_FRAMES+1];
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currDuration = 0;
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for(int i=0; i<NUM_FRAMES+1; i++) durations[i]=0;
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// DISTORT
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mReleasedDistortDynamic = new Dynamic3D(NUM_VECTORS*500, 0.5f);
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mReleasedDistortDynamic.setMode(Dynamic3D.MODE_PATH);
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mMovingDistortDynamic = new Dynamic3D(0,0.5f);
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mMovingDistortDynamic.setMode(Dynamic3D.MODE_PATH);
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vDistort = new Static3D[NUM_VECTORS];
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for(int i=0; i<NUM_VECTORS; i++)
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{
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vDistort[i] = new Static3D(0,0,0);
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mReleasedDistortDynamic.add(vDistort[i]);
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}
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mMovingDistortDynamic.add(vDistort[0]);
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// Deform
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mReleasedDeformDynamic = new Dynamic3D(NUM_VECTORS*500, 0.5f);
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mReleasedDeformDynamic.setMode(Dynamic3D.MODE_PATH);
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mMovingDeformDynamic = new Dynamic3D(0,0.5f);
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mMovingDeformDynamic.setMode(Dynamic3D.MODE_PATH);
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vDeform = new Static3D[NUM_VECTORS];
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for(int i=0; i<NUM_VECTORS; i++)
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{
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vDeform[i] = new Static3D(0,0,0);
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mReleasedDeformDynamic.add(vDeform[i]);
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}
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mMovingDeformDynamic.add(vDeform[0]);
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// Shear
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mReleasedShearDynamic = new Dynamic3D(NUM_VECTORS*500, 0.5f);
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mReleasedShearDynamic.setMode(Dynamic3D.MODE_PATH);
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mMovingShearDynamic = new Dynamic3D(0,0.5f);
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mMovingShearDynamic.setMode(Dynamic3D.MODE_PATH);
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vShear = new Static3D[NUM_VECTORS];
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for(int i=0; i<NUM_VECTORS; i++)
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{
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vShear[i] = new Static3D(0,0,0);
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mReleasedShearDynamic.add(vShear[i]);
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}
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mMovingShearDynamic.add(vShear[0]);
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mScreen = new DistortedScreen();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setMode(EffectNames mode)
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{
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mMode = mode;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setRegionRadius(int r)
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{
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mRadius = ( r==100 ? 100.0f : r/100.0f);
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mRegion.set3(mRadius*scrWidth);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onPause()
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{
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bitmapCreated = false;
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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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mPaint.setColor(0xffffffff);
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fpsCanvas.drawRect(0, 0, fpsW, fpsH, mPaint);
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mPaint.setColor(0xff000000);
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fpsCanvas.drawText(fpsString, fpsW/2, 5*fpsH/6, mPaint);
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fpsTexture.setTexture(fpsBitmap);
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long time = System.currentTimeMillis();
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mScreen.render(time);
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computeFPS(time);
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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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scrHeight = height;
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scrWidth = width;
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mRegion.set3(mRadius*scrWidth);
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if( !bitmapCreated )
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{
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createBitmap(scrWidth/2,scrHeight/2);
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stretchEffects.abortAllEffects();
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fpsEffects.abortAllEffects();
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stretchEffects.move( new Static3D(scrWidth/4,scrHeight/4,0) );
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fpsEffects.move( new Static3D(5,5,0) );
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bitmapCreated=true;
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mScreen.detachAll();
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mScreen.attach(stretchTexture,stretchEffects,stretchMesh);
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mScreen.attach(fpsTexture,fpsEffects,fpsMesh);
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}
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else
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{
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stretchEffects.abortEffects(EffectTypes.VERTEX);
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stretchEffects.abortEffects(EffectTypes.FRAGMENT);
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stretchEffects.abortEffects(EffectNames.SHEAR);
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}
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mScreen.resize(width, height);
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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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DistortedEffects.enableEffect(EffectNames.DISTORT);
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DistortedEffects.enableEffect(EffectNames.DEFORM);
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try
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{
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Distorted.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("DeformRenderer", ex.toString() );
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void createBitmap(int w, int h)
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{
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Canvas stretchCanvas;
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stretchTexture = new DistortedTexture(w,h);
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stretchMesh = new MeshFlat(50,50*h/w);
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Bitmap stretchBitmap = Bitmap.createBitmap(w,h, Bitmap.Config.ARGB_8888);
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stretchCanvas = new Canvas(stretchBitmap);
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fpsW = scrWidth/5;
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fpsH = fpsW/2;
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mPaint.setTextSize(2*fpsH/3);
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mPaint.setColor(0xff008800);
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mPaint.setStyle(Style.FILL);
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stretchCanvas.drawRect(0, 0, w, h, mPaint);
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mPaint.setColor(0xffffffff);
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for(int i=0; i<=NUM_LINES ; i++ )
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{
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stretchCanvas.drawRect(w*i/NUM_LINES - 1, 0, w*i/NUM_LINES + 1, h , mPaint);
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stretchCanvas.drawRect( 0, h *i/NUM_LINES -1, w , h*i/NUM_LINES + 1, mPaint);
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}
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touchPoint= new Static3D(0,0,0);
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fpsTexture = new DistortedTexture(fpsW,fpsH);
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fpsMesh = new MeshFlat(1,1);
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fpsBitmap = Bitmap.createBitmap(fpsW,fpsH, Bitmap.Config.ARGB_8888);
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fpsCanvas = new Canvas(fpsBitmap);
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stretchTexture.setTexture(stretchBitmap);
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fpsTexture.setTexture(fpsBitmap);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void down(int x, int y)
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{
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int xt = x-scrWidth/4;
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int yt = y-scrHeight/4;
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if( xt<0 ) xt=0;
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if( xt>scrWidth/2 ) xt=scrWidth/2;
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if( yt<0 ) yt=0;
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if( yt>scrHeight/2 ) yt=scrHeight/2;
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touchPoint.set(xt,yt,0);
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switch(mMode)
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{
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case DISTORT: vDistort[0].set(0,0,0);
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mLastEffect = stretchEffects.distort( mMovingDistortDynamic, touchPoint, mRegion);
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break;
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case DEFORM : vDeform[0].set(0,0,0);
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mLastEffect = stretchEffects.deform( mMovingDeformDynamic, touchPoint, mRegion);
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break;
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case SHEAR : vShear[0].set(0,0,0);
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mLastEffect = stretchEffects.shear(mMovingShearDynamic, touchPoint);
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break;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void move(int x, int y)
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{
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switch(mMode)
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{
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case DISTORT: vDistort[0].set(x,y);
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break;
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case DEFORM: vDeform[0].set(x,y);
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break;
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case SHEAR: vShear[0].set( (float)x/(scrWidth/2), (float)y/(scrHeight/2));
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break;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void up()
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{
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stretchEffects.abortEffect(mLastEffect);
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float damp = -0.65f;
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switch(mMode)
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{
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case DISTORT: for(int i=1; i<NUM_VECTORS-1; i++)
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{
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vDistort[i].set( vDistort[i-1].getX()*damp, vDistort[i-1].getY()*damp );
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}
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vDistort[NUM_VECTORS-1].set(0,0);
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stretchEffects.distort( mReleasedDistortDynamic, touchPoint, mRegion);
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break;
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case DEFORM : for(int i=1; i<NUM_VECTORS-1; i++)
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{
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vDeform[i].set( vDeform[i-1].getX()*damp, vDeform[i-1].getY()*damp );
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}
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vDeform[NUM_VECTORS-1].set(0,0);
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stretchEffects.deform( mReleasedDeformDynamic, touchPoint, mRegion);
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break;
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case SHEAR : for(int i=1; i<NUM_VECTORS-1; i++)
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{
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vShear[i].set( vShear[i-1].getX()*damp, vShear[i-1].getY()*damp );
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}
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vShear[NUM_VECTORS-1].set(0,0);
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stretchEffects.shear(mReleasedShearDynamic, touchPoint);
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break;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void computeFPS(long currentTime)
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{
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if( lastTime!=0 )
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{
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currDuration++;
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if( currDuration>=NUM_FRAMES ) currDuration = 0;
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durations[NUM_FRAMES] += ((currentTime-lastTime)-durations[currDuration]);
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durations[currDuration] = currentTime-lastTime;
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fpsString = "" + ((int)(10000.0f*NUM_FRAMES/durations[NUM_FRAMES]))/10.0f;
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}
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lastTime = currentTime;
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}
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}
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