package org.newdawn.slick.tests;
import java.io.IOException;
import org.newdawn.slick.AppGameContainer;
import org.newdawn.slick.BasicGame;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.Image;
import org.newdawn.slick.Input;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.particles.ConfigurableEmitter;
import org.newdawn.slick.particles.ParticleIO;
import org.newdawn.slick.particles.ParticleSystem;
/**
* A test for loading editing particle systems
*
* @author kevin
*/
public class PedigreeTest extends BasicGame {
/** The image we're currently displaying */
private Image image;
/** The game container */
private GameContainer container;
/** The smoke trail particle system */
private ParticleSystem trail;
/** The fire particle system */
private ParticleSystem fire;
/** The rocket x position */
private float rx;
/** The rocket y position */
private float ry = 900;
/**
* Create a new image rendering test
*/
public PedigreeTest() {
super("Pedigree Test");
}
/**
* @see org.newdawn.slick.BasicGame#init(org.newdawn.slick.GameContainer)
*/
public void init(GameContainer container) throws SlickException {
this.container = container;
try {
fire = ParticleIO.loadConfiguredSystem("testdata/system.xml");
trail = ParticleIO.loadConfiguredSystem("testdata/smoketrail.xml");
} catch (IOException e) {
throw new SlickException("Failed to load particle systems", e);
}
image = new Image("testdata/rocket.png");
spawnRocket();
}
/**
* Spawn a test rocket
*/
private void spawnRocket() {
ry = 700;
rx = (float) ((Math.random()*600) + 100);
}
/**
* @see org.newdawn.slick.BasicGame#render(org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void render(GameContainer container, Graphics g) {
((ConfigurableEmitter) trail.getEmitter(0)).setPosition(rx+14,ry+35);
trail.render();
image.draw((int) rx,(int) ry);
g.translate(400, 300);
fire.render();
}
/**
* @see org.newdawn.slick.BasicGame#update(org.newdawn.slick.GameContainer, int)
*/
public void update(GameContainer container, int delta) {
fire.update(delta);
trail.update(delta);
ry -= delta * 0.25f;
if (ry < -100) {
spawnRocket();
}
}
/**
* Entry point to our test
*
* @param argv The arguments to pass into the test
*/
public static void main(String[] argv) {
try {
AppGameContainer container = new AppGameContainer(new PedigreeTest());
container.setDisplayMode(800,600,false);
container.start();
} catch (SlickException e) {
e.printStackTrace();
}
}
/**
* @see org.newdawn.slick.BasicGame#keyPressed(int, char)
*/
public void keyPressed(int key, char c) {
if (key == Input.KEY_ESCAPE) {
container.exit();
}
}
}