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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.transparency;
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import android.opengl.GLSurfaceView;
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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.MatrixEffectQuaternion;
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import org.distorted.library.effect.MatrixEffectScale;
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import org.distorted.library.effect.PostprocessEffectBlur;
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import org.distorted.library.main.Distorted;
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import org.distorted.library.main.DistortedEffects;
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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.main.DistortedTexture;
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import org.distorted.library.main.MeshFlat;
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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.type.Static4D;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.opengles.GL10;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class TransparencyRenderer implements GLSurfaceView.Renderer
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{
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private static final int NUM = 4; // 4 ints (x,y,z, argb) each describe 1 object below
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private static final int[] OBJECTS =
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{
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+9, -10, +2, 0xffff0000,
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-9, +10, -2, 0xffffff00
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};
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private static final int NUM_OBJECTS = OBJECTS.length/NUM;
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private static final int OBJ_SIZE = 100;
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private GLSurfaceView mView;
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private DistortedNode[] mNode;
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private DistortedTexture[] mTex;
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private Static3D[] mMoveVector;
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private Static1D[] mAlphaVector;
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private DistortedScreen mScreen;
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private Static3D mMove, mScale, mCenter;
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Static4D mQuat1, mQuat2;
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int mScreenMin;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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TransparencyRenderer(GLSurfaceView v)
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{
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mView = v;
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MeshFlat mesh = new MeshFlat(1,1);
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mQuat1 = new Static4D(0,0,0,1); // unity
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mQuat2 = new Static4D(0,0,0,1); // quaternions
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mScreen = new DistortedScreen();
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mScreen.glClearColor(1.0f,1.0f,1.0f,1.0f);
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mMoveVector = new Static3D[NUM_OBJECTS];
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mAlphaVector = new Static1D[NUM_OBJECTS];
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mNode = new DistortedNode[NUM_OBJECTS];
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mTex = new DistortedTexture[NUM_OBJECTS];
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FragmentEffectAlpha[] alpha= new FragmentEffectAlpha[NUM_OBJECTS];
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DistortedEffects[] effects = new DistortedEffects[NUM_OBJECTS];
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mMove = new Static3D(0,0,0);
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mScale = new Static3D(1.0f,1.0f,1.0f);
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mCenter= new Static3D(0,0,0);
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MatrixEffectMove moveEffect = new MatrixEffectMove(mMove);
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MatrixEffectScale scaleEffect = new MatrixEffectScale(mScale);
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MatrixEffectQuaternion quatEffect1 = new MatrixEffectQuaternion(mQuat1, mCenter);
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MatrixEffectQuaternion quatEffect2 = new MatrixEffectQuaternion(mQuat2, mCenter);
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PostprocessEffectBlur blur = new PostprocessEffectBlur(new Static1D(0));
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for(int i=0; i<NUM_OBJECTS; i++)
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{
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mTex[i] = new DistortedTexture(OBJ_SIZE,OBJ_SIZE);
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mMoveVector[i] = new Static3D(0,0,0);
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mAlphaVector[i] = new Static1D(0.5f);
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alpha[i] = new FragmentEffectAlpha(mAlphaVector[i]);
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effects[i] = new DistortedEffects();
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//effects[i].apply(blur);
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effects[i].apply(alpha[i]);
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effects[i].apply(moveEffect);
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effects[i].apply(scaleEffect);
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effects[i].apply(quatEffect1);
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effects[i].apply(quatEffect2);
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effects[i].apply(new MatrixEffectMove(mMoveVector[i]));
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mNode[i] = new DistortedNode(mTex[i], effects[i], mesh );
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mScreen.attach(mNode[i]);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setTransparency(int object, float level)
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{
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if( object>=0 && object<NUM_OBJECTS) mAlphaVector[object].set(level);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// no better way to attach mNode[object] as the first child than detaching all and reattaching back...
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void setRenderFirst(int object)
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{
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if( object>=0 && object<NUM_OBJECTS)
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{
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for(int i=0; i<NUM_OBJECTS; i++)
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{
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mScreen.detach(mNode[i]);
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}
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mScreen.attach(mNode[object]);
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for(int i=0; i<NUM_OBJECTS; i++)
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{
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if( i!=object )
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mScreen.attach(mNode[i]);
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}
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}
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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 onSurfaceCreated(GL10 glUnused, EGLConfig config)
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{
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for(int i=0; i<NUM_OBJECTS; i++)
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{
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mTex[i].setColor(OBJECTS[NUM * i + 3]);
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}
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PostprocessEffectBlur.enable();
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FragmentEffectAlpha.enable();
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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("Transparency", ex.getMessage() );
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}
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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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mScreenMin = width<height ? width:height;
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float factor = 0.70f*mScreenMin/OBJ_SIZE;
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mScale.set(factor,factor,factor);
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mCenter.set((float)OBJ_SIZE/2, (float)OBJ_SIZE/2, -(float)OBJ_SIZE/2 );
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mMove.set( (width -factor*OBJ_SIZE)/2 ,(height-factor*OBJ_SIZE)/2 ,0);
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float size= 0.02f*OBJ_SIZE;
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for(int i=0; i<NUM_OBJECTS; i++)
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{
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mMoveVector[i].set(size*OBJECTS[NUM*i], size*OBJECTS[NUM*i+1], size*OBJECTS[NUM*i+2]);
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}
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mScreen.resize(width, height);
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}
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}
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