Show DrunkenHyenaPoints.java syntax highlighted
package org.lwjgl.test.d3d;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.Random;
import org.lwjgl.LWJGLException;
import org.lwjgl.d3d.D3DPresentParameters;
import org.lwjgl.d3d.Direct3DConstants;
import org.lwjgl.d3d.Display;
import org.lwjgl.d3d.DisplayMode;
import org.lwjgl.d3d.IDirect3D9;
import org.lwjgl.d3d.IDirect3DDevice9;
import org.lwjgl.input.Keyboard;
public class DrunkenHyenaPoints {
private static final int STRUCTURE_SIZE = 20;
private static final int WIDTH = 640;
private static final int HEIGHT = 480;
public void run() {
try {
DisplayMode[] modes = Display.getAvailableDisplayModes();
for (int i = 0; i < modes.length; i++) {
if (modes[i].getWidth() == 640 && modes[i].getHeight() == 480 && modes[i].getBitsPerPixel() >= 32 && modes[i].getFrequency() <= 75) {
try {
Display.setDisplayMode(modes[i]);
} catch (LWJGLException e) {
e.printStackTrace();
}
}
}
Display.create();
}
catch(Exception e) {
e.printStackTrace();
}
IDirect3D9 iDirect3D9 = IDirect3D9.create();
D3DPresentParameters params = new D3DPresentParameters();
params.Windowed = true;
params.BackBufferCount = 1;
params.SwapEffect = Direct3DConstants.D3DSWAPEFFECT_FLIP;
params.BackBufferFormat = Direct3DConstants.D3DFMT_UNKNOWN;
IDirect3DDevice9 iDirect3DDevice9 = new IDirect3DDevice9();
iDirect3D9.createDevice(Direct3DConstants.D3DADAPTER_DEFAULT, Direct3DConstants.D3DDEVTYPE_HAL,
Display.getHwnd(), Direct3DConstants.D3DCREATE_SOFTWARE_VERTEXPROCESSING, params,
iDirect3DDevice9);
try {
Keyboard.create();
}
catch(LWJGLException e) {
e.printStackTrace();
}
ByteBuffer sineData = ByteBuffer.allocateDirect(WIDTH * STRUCTURE_SIZE);
sineData.order(ByteOrder.nativeOrder());
for(int i=0;i<WIDTH;i++) {
sineData.putFloat(i);
float y = (float)Math.sin(i / 10.0f);
sineData.putFloat(y * (HEIGHT / 4.0f) + (HEIGHT / 2.0f));
sineData.putFloat(1.0f);
sineData.putFloat(1.0f);
int blue = ((int)(Math.ceil(((float)i / (float)WIDTH) * 200.0f) + 55)) & 0x000000ff;
int green = ((int)(Math.ceil((((float)WIDTH - (float)i) / (float)WIDTH) * 200.0f) + 55)) & 0x000000ff;
int red = ((int)(Math.ceil(Math.abs(y) * 200.0f) + 55.0f)) & 0x000000ff;
sineData.putInt((red << 16) | (green << 8) | blue);
}
ByteBuffer randomData = ByteBuffer.allocateDirect(WIDTH * STRUCTURE_SIZE);
randomData.order(ByteOrder.nativeOrder());
Random random = new Random(System.currentTimeMillis());
for(int i=0;i<WIDTH;i++) {
randomData.putFloat(random.nextFloat() * WIDTH);
randomData.putFloat(random.nextFloat() * HEIGHT);
randomData.putFloat(1.0f);
randomData.putFloat(1.0f);
randomData.putInt((random.nextInt(255) << 16) | (random.nextInt(255) << 8) | random.nextInt(255));
}
ByteBuffer data = sineData;
while(Keyboard.getEventKey() != Keyboard.KEY_ESCAPE || Display.isCloseRequested()) {
iDirect3DDevice9.beginScene();
iDirect3DDevice9.clear(0, null, Direct3DConstants.D3DCLEAR_TARGET, 0, 1.0f, 0);
iDirect3DDevice9.setFVF(Direct3DConstants.D3DFVF_XYZRHW | Direct3DConstants.D3DFVF_DIFFUSE);
iDirect3DDevice9.drawPrimitiveUP(Direct3DConstants.D3DPT_POINTLIST, WIDTH, data, STRUCTURE_SIZE);
iDirect3DDevice9.endScene();
iDirect3DDevice9.present(null, null, 0, null);
Display.update();
try {
Thread.sleep(100);
}
catch(Exception e) {}
}
iDirect3DDevice9.release();
iDirect3D9.release();
Display.destroy();
}
public static void main(String args[]) {
new DrunkenHyenaPoints().run();
System.exit(0);
}
}
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