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 */
32package jme3test.android;
33
34import com.jme3.app.SimpleApplication;
35import com.jme3.effect.ParticleEmitter;
36import com.jme3.effect.ParticleMesh.Type;
37import com.jme3.input.KeyInput;
38import com.jme3.input.controls.ActionListener;
39import com.jme3.input.controls.KeyTrigger;
40import com.jme3.light.AmbientLight;
41import com.jme3.material.Material;
42import com.jme3.math.ColorRGBA;
43import com.jme3.math.FastMath;
44import com.jme3.math.Vector3f;
45
46/**
47 * Particle that moves in a circle.
48 *
49 * @author Kirill Vainer
50 */
51public class TestMovingParticle extends SimpleApplication {
52
53    private ParticleEmitter emit;
54    private float angle = 0;
55
56    public static void main(String[] args) {
57        TestMovingParticle app = new TestMovingParticle();
58        app.start();
59    }
60
61    @Override
62    public void simpleInitApp() {
63        emit = new ParticleEmitter("Emitter", Type.Triangle, 300);
64        emit.setGravity(0, 0, 0);
65        emit.setVelocityVariation(1);
66        emit.setLowLife(1);
67        emit.setHighLife(1);
68        emit.setInitialVelocity(new Vector3f(0, .5f, 0));
69        emit.setImagesX(15);
70        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
71        mat.setTexture("Texture", assetManager.loadTexture("Effects/Smoke/Smoke.png"));
72        emit.setMaterial(mat);
73
74        rootNode.attachChild(emit);
75
76        AmbientLight al = new AmbientLight();
77        al.setColor(new ColorRGBA(0.84f, 0.80f, 0.80f, 1.0f));
78        rootNode.addLight(al);
79
80
81
82        inputManager.addListener(new ActionListener() {
83
84            public void onAction(String name, boolean isPressed, float tpf) {
85                if ("setNum".equals(name) && isPressed) {
86                    emit.setNumParticles(1000);
87                }
88            }
89        }, "setNum");
90
91        inputManager.addMapping("setNum", new KeyTrigger(KeyInput.KEY_SPACE));
92    }
93
94    @Override
95    public void simpleUpdate(float tpf) {
96        angle += tpf;
97        angle %= FastMath.TWO_PI;
98        float x = FastMath.cos(angle) * 2;
99        float y = FastMath.sin(angle) * 2;
100        emit.setLocalTranslation(x, 0, y);
101    }
102}
103