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427ab7bf
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Leszek Koltunski
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5068fa06
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Leszek Koltunski
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package org.distorted.examples.fov;
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427ab7bf
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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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5068fa06
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Leszek Koltunski
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import org.distorted.library.Distorted;
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import org.distorted.library.DistortedBitmap;
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import org.distorted.library.Float2D;
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import org.distorted.library.Float3D;
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import org.distorted.library.Float4D;
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427ab7bf
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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 FOVRenderer implements GLSurfaceView.Renderer
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{
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private static final int NUMLINES = 10;
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private GLSurfaceView mView;
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private DistortedBitmap fov;
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private Paint mPaint;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public FOVRenderer(GLSurfaceView view)
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{
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mView = view;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setFOV(int fov)
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{
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Distorted.setFov(fov);
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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.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
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fov.draw(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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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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try
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{
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ed1c0b33
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Leszek Koltunski
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Distorted.onSurfaceCreated(mView.getContext());
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427ab7bf
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Leszek Koltunski
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}
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catch(Exception ex)
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{
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android.util.Log.e("FOV", 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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mPaint = new Paint();
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fov = new DistortedBitmap(w,h, 50);
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Bitmap fovBitmap = Bitmap.createBitmap(w,h, Bitmap.Config.ARGB_8888);
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Canvas fovCanvas = new Canvas(fovBitmap);
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mPaint.setColor(0xff008800);
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mPaint.setStyle(Style.FILL);
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fovCanvas.drawRect(0, 0, w, h, mPaint);
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mPaint.setColor(0xffffffff);
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for(int i=0; i<=NUMLINES ; i++ )
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{
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fovCanvas.drawRect(w*i/NUMLINES - 1, 0, w*i/NUMLINES + 1, h , mPaint);
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fovCanvas.drawRect( 0, h *i/NUMLINES -1, w , h*i/NUMLINES + 1, mPaint);
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}
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fov.setBitmap(fovBitmap);
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int min = w<h ? w:h;
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Float3D dp3D = new Float3D(0,0,min/5);
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Float4D dr = new Float4D(0,0,min/5,min/5);
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Float2D point1 = new Float2D( w/4, h/4);
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Float2D point2 = new Float2D(3*w/4, h/4);
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Float2D point3 = new Float2D( w/4, 3*h/4);
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Float2D point4 = new Float2D(3*w/4, 3*h/4);
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fov.distort(dp3D, dr, point1, 0, 0.5f);
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fov.distort(dp3D, dr, point2, 0, 0.5f);
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fov.distort(dp3D, dr, point3, 0, 0.5f);
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fov.distort(dp3D, dr, point4, 0, 0.5f);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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}
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