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bc0a685b
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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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Leszek Koltunski
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import org.distorted.library.Distorted;
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import org.distorted.library.GridFlat;
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import org.distorted.library.DistortedObject;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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Leszek Koltunski
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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.GLES20;
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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 DistortedObject mProjection;
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private GridFlat mGrid;
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private static float mF, mX, mY;
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private static int mWidth, mHeight;
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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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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static int setFOV(int f)
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{
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mF = f;
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Distorted.setProjection(mF,mX,mY);
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return (int)mF;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static int setX(int x)
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{
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mX = (x-50)*0.02f*mWidth;
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Distorted.setProjection(mF,mX,mY);
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return (int)mX;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static int setY(int y)
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{
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mY = (y-50)*0.02f*mHeight;
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Distorted.setProjection(mF,mX,mY);
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return (int)mY;
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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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GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
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mProjection.draw(System.currentTimeMillis(), mGrid);
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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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mWidth = width;
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mHeight= height;
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Distorted.onSurfaceChanged(width, height);
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setupBitmap(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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GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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try
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{
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Distorted.onSurfaceCreated(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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private void setupBitmap(int w, int h)
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{
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Paint paint = new Paint();
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mProjection = new DistortedObject(w,h,1);
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mGrid = new GridFlat(50,50*h/w);
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Bitmap bmp = Bitmap.createBitmap(w,h, 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, w, h, 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(w*i/NUMLINES - 1, 0, w*i/NUMLINES + 1, h , paint);
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bmpCanvas.drawRect( 0, h *i/NUMLINES -1, w , h*i/NUMLINES + 1, paint);
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}
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mProjection.setTexture(bmp);
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int min = w<h ? w:h;
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Static3D vector = new Static3D(0,0,min/5);
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Static4D region = new Static4D(0,0,min/5,min/5);
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mProjection.distort(vector, new Static3D( w/4, h/4, 0), region);
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mProjection.distort(vector, new Static3D(3*w/4, h/4, 0), region);
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mProjection.distort(vector, new Static3D( w/4, 3*h/4, 0), region);
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mProjection.distort(vector, new Static3D(3*w/4, 3*h/4, 0), region);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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}
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