Author: davedes (posted 2012-07-19 05:24:40, viewed 113 times)
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| package slicktests;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.GL11;
import org.newdawn.slick.AngelCodeFont;
import org.newdawn.slick.AppGameContainer;
import org.newdawn.slick.BasicGame;
import org.newdawn.slick.Color;
import org.newdawn.slick.Font;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.Image;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.geom.Shape;
import org.newdawn.slick.geom.Transform;
import org.newdawn.slick.gui.TextField;
import org.newdawn.slick.opengl.renderer.Renderer;
import org.newdawn.slick.opengl.renderer.SGL;
public class FillRateTest extends BasicGame {
static final int WIDTH = 800;
static final int HEIGHT = 600;
FillRateTest() { super("Particles!"); }
public static void main(String[] args) throws SlickException {
Renderer.setRenderer(Renderer.VERTEX_ARRAY_RENDERER);
new AppGameContainer(new FillRateTest(), WIDTH, HEIGHT, false).start();
}
Font font;
Image sprite;
int ballCount = 1000; Ball[] balls = new Ball[100000];
public void init(GameContainer container) throws SlickException {
sprite = new Image("res/small.png", false, Image.FILTER_NEAREST);
for (int i=0; i<balls.length; i++) {
balls[i] = new Ball();
}
container.setShowFPS(false);
container.setClearEachFrame(false);
}
public void render(GameContainer container, Graphics g) throws SlickException {
g.clear();
sprite.startUse();
for (int i=0; i<ballCount; i++) {
sprite.drawEmbedded(balls[i].x, balls[i].y, sprite.getWidth(), sprite.getHeight());
}
sprite.endUse();
Display.setTitle(ballCount+" "+container.getFPS());
}
public void update(GameContainer container, int delta)
throws SlickException {
for (int i=0; i<ballCount; i++) {
balls[i].update(delta);
}
}
public void keyPressed(int key, char c) {
if (c=='a') {
ballCount -= 500;
} else if (c=='q') {
ballCount += 500;
}
}
class Ball {
float x, y;
float vx = .03f;
float vy = .03f;
Ball() {
x = (float)Math.random()*WIDTH;
y = (float)Math.random()*HEIGHT;
}
public void update(long delta) {
x += vx * delta;
y += vy * delta;
if(x+sprite.getWidth() >= WIDTH) {
x = WIDTH-sprite.getWidth()-1;
vx = -vx;
}
else if(x <= 0) {
x = 1;
vx = -vx;
}
if(y+sprite.getHeight() >= HEIGHT) {
y = HEIGHT-sprite.getHeight()-1;
vy = -vy;
}
else if(y <= 0) {
y = 1;
vy = -vy;
}
}
}
} |
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