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Leszek Koltunski
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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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427ab7bf
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Leszek Koltunski
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Leszek Koltunski
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package org.distorted.examples.projection;
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Leszek Koltunski
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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.effect.VertexEffectDistort;
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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.DistortedScreen;
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Leszek Koltunski
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import org.distorted.library.mesh.MeshFlat;
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Leszek Koltunski
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import org.distorted.library.main.DistortedTexture;
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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.GLSurfaceView;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class ProjectionRenderer implements GLSurfaceView.Renderer
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{
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private GLSurfaceView mView;
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private DistortedEffects mEffects;
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private DistortedScreen mScreen;
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leszek
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private MeshFlat mMesh;
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private DistortedTexture mTexture;
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private float mF, mNear;
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private Static3D mVector, mPoint1, mPoint2, mPoint3, mPoint4;
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private Static4D mRegion;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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ProjectionRenderer(GLSurfaceView view)
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{
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mView = view;
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mEffects= new DistortedEffects();
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mScreen = new DistortedScreen();
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mVector = new Static3D(0,0,0);
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mPoint1 = new Static3D(0,0,0);
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mPoint2 = new Static3D(0,0,0);
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mPoint3 = new Static3D(0,0,0);
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mPoint4 = new Static3D(0,0,0);
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mRegion = new Static4D(0,0,0,0);
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mEffects.apply( new VertexEffectDistort(mVector, mPoint1, mRegion) );
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mEffects.apply( new VertexEffectDistort(mVector, mPoint2, mRegion) );
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mEffects.apply( new VertexEffectDistort(mVector, mPoint3, mRegion) );
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mEffects.apply( new VertexEffectDistort(mVector, mPoint4, mRegion) );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float setFOV(int f)
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{
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mF = f;
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mScreen.setProjection(mF,mNear);
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return mF;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float setNear(int near)
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{
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mNear = near/100.0f;
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mScreen.setProjection(mF,mNear);
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return mNear;
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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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mScreen.setProjection(mF,mNear);
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Paint paint = new Paint();
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Bitmap bmp = Bitmap.createBitmap(width,height, Bitmap.Config.ARGB_8888);
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Canvas bmpCanvas = new Canvas(bmp);
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paint.setColor(0xff008800);
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paint.setStyle(Style.FILL);
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bmpCanvas.drawRect(0, 0, width, height, paint);
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paint.setColor(0xffffffff);
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final int NUMLINES = 10;
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for(int i=0; i<=NUMLINES ; i++ )
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{
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bmpCanvas.drawRect(width*i/NUMLINES - 1, 0, width*i/NUMLINES + 1, height , paint);
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bmpCanvas.drawRect( 0, height*i/NUMLINES -1, width , height*i/NUMLINES + 1, paint);
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}
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int min = width<height ? width:height;
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mVector.set(0,0,min/5);
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mRegion.set(0,0,min/5,min/5);
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mPoint1.set( width/4, height/4, 0);
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mPoint2.set(3*width/4, height/4, 0);
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mPoint3.set( width/4, 3*height/4, 0);
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mPoint4.set(3*width/4, 3*height/4, 0);
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// Avoid memory leaks: delete old texture if it exists (it might if we
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// got here after a brief amount of time spent in the background)
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if( mTexture!=null ) mTexture.markForDeletion();
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mTexture= new DistortedTexture(width,height);
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mTexture.setTexture(bmp);
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// likewise with the Mesh
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if( mMesh!=null ) mMesh.markForDeletion();
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mMesh = new MeshFlat(100,100*height/width);
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mScreen.detachAll();
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mScreen.attach(mTexture,mEffects,mMesh);
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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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VertexEffectDistort.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("Projection", ex.getMessage() );
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}
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}
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}
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