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/*
* Copyright (c) 2006 Ben Chappell (bwchappell@gmail.com) All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* The names of Ben Chappell, Sun Microsystems, Inc. or the names of
* contributors may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. BEN CHAPPELL,
* SUN MICROSYSTEMS, INC. ("SUN"), AND SUN'S LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL BEN
* CHAPPELL, SUN, OR SUN'S LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT
* OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF BEN
* CHAPPELL OR SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*/
package demos.particles.engine;
import javax.media.opengl.*;
import com.sun.opengl.util.texture.*;
import java.net.*;
import java.util.*;
import java.io.*;
public class Engine {
private Texture texture;
private List/*<Particle>*/ particles;
private String path;
public RGBA tendToColor;
public Engine(int numParticles, String path) {
this.path=path;
tendToColor = new RGBA(1.0f, 1.0f, 1.0f, 1.0f);
particles = new ArrayList/*<Particle>*/(numParticles);
for(int i=0; i<numParticles; i++)
particles.add(new Particle());
}
public void addParticle() {
particles.add(new Particle());
}
public void removeParticle() {
if(particles.size()-1 >= 0)
particles.remove(particles.size()-1);
}
public void draw(GL2 gl) {
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glLoadIdentity();
for(int i=0; i<particles.size(); i++) {
((Particle) particles.get(i)).draw(gl, texture, tendToColor);
}
}
public void init() {
try {
ClassLoader c1 = this.getClass().getClassLoader();
URL url = c1.getResource(path);
texture = TextureIO.newTexture(url, false, null);
texture.enable();
}
catch(IOException e) {
e.printStackTrace();
}
catch(GLException e) {
e.printStackTrace();
}
}
public void reset() {
int numParticles = particles.size();
particles = new ArrayList/*<Particle>*/(numParticles);
for(int i=0; i<numParticles; i++)
particles.add(new Particle());
}
}
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