1 /* 2 * Copyright (c) 2009-2010 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package jme3test.effect; 33 34 import com.jme3.app.SimpleApplication; 35 import com.jme3.effect.ParticleEmitter; 36 import com.jme3.effect.ParticleMesh.Type; 37 import com.jme3.input.KeyInput; 38 import com.jme3.input.controls.ActionListener; 39 import com.jme3.input.controls.KeyTrigger; 40 import com.jme3.material.Material; 41 import com.jme3.math.FastMath; 42 import com.jme3.math.Vector3f; 43 44 /** 45 * Particle that moves in a circle. 46 * 47 * @author Kirill Vainer 48 */ 49 public class TestMovingParticle extends SimpleApplication { 50 51 private ParticleEmitter emit; 52 private float angle = 0; 53 main(String[] args)54 public static void main(String[] args) { 55 TestMovingParticle app = new TestMovingParticle(); 56 app.start(); 57 } 58 59 @Override simpleInitApp()60 public void simpleInitApp() { 61 emit = new ParticleEmitter("Emitter", Type.Triangle, 300); 62 emit.setGravity(0, 0, 0); 63 emit.setVelocityVariation(1); 64 emit.setLowLife(1); 65 emit.setHighLife(1); 66 emit.setInitialVelocity(new Vector3f(0, .5f, 0)); 67 emit.setImagesX(15); 68 Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md"); 69 mat.setTexture("Texture", assetManager.loadTexture("Effects/Smoke/Smoke.png")); 70 emit.setMaterial(mat); 71 72 rootNode.attachChild(emit); 73 74 inputManager.addListener(new ActionListener() { 75 76 public void onAction(String name, boolean isPressed, float tpf) { 77 if ("setNum".equals(name) && isPressed) { 78 emit.setNumParticles(1000); 79 } 80 } 81 }, "setNum"); 82 83 inputManager.addMapping("setNum", new KeyTrigger(KeyInput.KEY_SPACE)); 84 } 85 86 @Override simpleUpdate(float tpf)87 public void simpleUpdate(float tpf) { 88 angle += tpf; 89 angle %= FastMath.TWO_PI; 90 float x = FastMath.cos(angle) * 2; 91 float y = FastMath.sin(angle) * 2; 92 emit.setLocalTranslation(x, 0, y); 93 } 94 } 95
