1/*
2 * Copyright (c) 2009-2010 jMonkeyEngine
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31 */
32
33package jme3test.effect;
34
35import com.jme3.app.SimpleApplication;
36import com.jme3.effect.ParticleEmitter;
37import com.jme3.effect.ParticleMesh.Type;
38import com.jme3.effect.shapes.EmitterSphereShape;
39import com.jme3.material.Material;
40import com.jme3.math.ColorRGBA;
41import com.jme3.math.FastMath;
42import com.jme3.math.Quaternion;
43import com.jme3.math.Vector3f;
44import com.jme3.scene.Node;
45
46public class TestExplosionEffect extends SimpleApplication {
47
48    private float time = 0;
49    private int state = 0;
50    private Node explosionEffect = new Node("explosionFX");
51    private ParticleEmitter flame, flash, spark, roundspark, smoketrail, debris,
52                            shockwave;
53
54
55    private static final int COUNT_FACTOR = 1;
56    private static final float COUNT_FACTOR_F = 1f;
57
58    private static final boolean POINT_SPRITE = true;
59    private static final Type EMITTER_TYPE = POINT_SPRITE ? Type.Point : Type.Triangle;
60
61    public static void main(String[] args){
62        TestExplosionEffect app = new TestExplosionEffect();
63        app.start();
64    }
65
66    private void createFlame(){
67        flame = new ParticleEmitter("Flame", EMITTER_TYPE, 32 * COUNT_FACTOR);
68        flame.setSelectRandomImage(true);
69        flame.setStartColor(new ColorRGBA(1f, 0.4f, 0.05f, (float) (1f / COUNT_FACTOR_F)));
70        flame.setEndColor(new ColorRGBA(.4f, .22f, .12f, 0f));
71        flame.setStartSize(1.3f);
72        flame.setEndSize(2f);
73        flame.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
74        flame.setParticlesPerSec(0);
75        flame.setGravity(0, -5, 0);
76        flame.setLowLife(.4f);
77        flame.setHighLife(.5f);
78        flame.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 7, 0));
79        flame.getParticleInfluencer().setVelocityVariation(1f);
80        flame.setImagesX(2);
81        flame.setImagesY(2);
82        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
83        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));
84        mat.setBoolean("PointSprite", POINT_SPRITE);
85        flame.setMaterial(mat);
86        explosionEffect.attachChild(flame);
87    }
88
89    private void createFlash(){
90        flash = new ParticleEmitter("Flash", EMITTER_TYPE, 24 * COUNT_FACTOR);
91        flash.setSelectRandomImage(true);
92        flash.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, (float) (1f / COUNT_FACTOR_F)));
93        flash.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
94        flash.setStartSize(.1f);
95        flash.setEndSize(3.0f);
96        flash.setShape(new EmitterSphereShape(Vector3f.ZERO, .05f));
97        flash.setParticlesPerSec(0);
98        flash.setGravity(0, 0, 0);
99        flash.setLowLife(.2f);
100        flash.setHighLife(.2f);
101        flash.setInitialVelocity(new Vector3f(0, 5f, 0));
102        flash.setVelocityVariation(1);
103        flash.setImagesX(2);
104        flash.setImagesY(2);
105        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
106        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flash.png"));
107        mat.setBoolean("PointSprite", POINT_SPRITE);
108        flash.setMaterial(mat);
109        explosionEffect.attachChild(flash);
110    }
111
112    private void createRoundSpark(){
113        roundspark = new ParticleEmitter("RoundSpark", EMITTER_TYPE, 20 * COUNT_FACTOR);
114        roundspark.setStartColor(new ColorRGBA(1f, 0.29f, 0.34f, (float) (1.0 / COUNT_FACTOR_F)));
115        roundspark.setEndColor(new ColorRGBA(0, 0, 0, (float) (0.5f / COUNT_FACTOR_F)));
116        roundspark.setStartSize(1.2f);
117        roundspark.setEndSize(1.8f);
118        roundspark.setShape(new EmitterSphereShape(Vector3f.ZERO, 2f));
119        roundspark.setParticlesPerSec(0);
120        roundspark.setGravity(0, -.5f, 0);
121        roundspark.setLowLife(1.8f);
122        roundspark.setHighLife(2f);
123        roundspark.setInitialVelocity(new Vector3f(0, 3, 0));
124        roundspark.setVelocityVariation(.5f);
125        roundspark.setImagesX(1);
126        roundspark.setImagesY(1);
127        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
128        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/roundspark.png"));
129        mat.setBoolean("PointSprite", POINT_SPRITE);
130        roundspark.setMaterial(mat);
131        explosionEffect.attachChild(roundspark);
132    }
133
134    private void createSpark(){
135        spark = new ParticleEmitter("Spark", Type.Triangle, 30 * COUNT_FACTOR);
136        spark.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, (float) (1.0f / COUNT_FACTOR_F)));
137        spark.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
138        spark.setStartSize(.5f);
139        spark.setEndSize(.5f);
140        spark.setFacingVelocity(true);
141        spark.setParticlesPerSec(0);
142        spark.setGravity(0, 5, 0);
143        spark.setLowLife(1.1f);
144        spark.setHighLife(1.5f);
145        spark.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 20, 0));
146        spark.getParticleInfluencer().setVelocityVariation(1);
147        spark.setImagesX(1);
148        spark.setImagesY(1);
149        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
150        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/spark.png"));
151        spark.setMaterial(mat);
152        explosionEffect.attachChild(spark);
153    }
154
155    private void createSmokeTrail(){
156        smoketrail = new ParticleEmitter("SmokeTrail", Type.Triangle, 22 * COUNT_FACTOR);
157        smoketrail.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, (float) (1.0f / COUNT_FACTOR_F)));
158        smoketrail.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
159        smoketrail.setStartSize(.2f);
160        smoketrail.setEndSize(1f);
161
162//        smoketrail.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
163        smoketrail.setFacingVelocity(true);
164        smoketrail.setParticlesPerSec(0);
165        smoketrail.setGravity(0, 1, 0);
166        smoketrail.setLowLife(.4f);
167        smoketrail.setHighLife(.5f);
168        smoketrail.setInitialVelocity(new Vector3f(0, 12, 0));
169        smoketrail.setVelocityVariation(1);
170        smoketrail.setImagesX(1);
171        smoketrail.setImagesY(3);
172        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
173        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/smoketrail.png"));
174        smoketrail.setMaterial(mat);
175        explosionEffect.attachChild(smoketrail);
176    }
177
178    private void createDebris(){
179        debris = new ParticleEmitter("Debris", Type.Triangle, 15 * COUNT_FACTOR);
180        debris.setSelectRandomImage(true);
181        debris.setRandomAngle(true);
182        debris.setRotateSpeed(FastMath.TWO_PI * 4);
183        debris.setStartColor(new ColorRGBA(1f, 0.59f, 0.28f, (float) (1.0f / COUNT_FACTOR_F)));
184        debris.setEndColor(new ColorRGBA(.5f, 0.5f, 0.5f, 0f));
185        debris.setStartSize(.2f);
186        debris.setEndSize(.2f);
187
188//        debris.setShape(new EmitterSphereShape(Vector3f.ZERO, .05f));
189        debris.setParticlesPerSec(0);
190        debris.setGravity(0, 12f, 0);
191        debris.setLowLife(1.4f);
192        debris.setHighLife(1.5f);
193        debris.setInitialVelocity(new Vector3f(0, 15, 0));
194        debris.setVelocityVariation(.60f);
195        debris.setImagesX(3);
196        debris.setImagesY(3);
197        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
198        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/Debris.png"));
199        debris.setMaterial(mat);
200        explosionEffect.attachChild(debris);
201    }
202
203    private void createShockwave(){
204        shockwave = new ParticleEmitter("Shockwave", Type.Triangle, 1 * COUNT_FACTOR);
205//        shockwave.setRandomAngle(true);
206        shockwave.setFaceNormal(Vector3f.UNIT_Y);
207        shockwave.setStartColor(new ColorRGBA(.48f, 0.17f, 0.01f, (float) (.8f / COUNT_FACTOR_F)));
208        shockwave.setEndColor(new ColorRGBA(.48f, 0.17f, 0.01f, 0f));
209
210        shockwave.setStartSize(0f);
211        shockwave.setEndSize(7f);
212
213        shockwave.setParticlesPerSec(0);
214        shockwave.setGravity(0, 0, 0);
215        shockwave.setLowLife(0.5f);
216        shockwave.setHighLife(0.5f);
217        shockwave.setInitialVelocity(new Vector3f(0, 0, 0));
218        shockwave.setVelocityVariation(0f);
219        shockwave.setImagesX(1);
220        shockwave.setImagesY(1);
221        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
222        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/shockwave.png"));
223        shockwave.setMaterial(mat);
224        explosionEffect.attachChild(shockwave);
225    }
226
227    @Override
228    public void simpleInitApp() {
229        createFlame();
230        createFlash();
231        createSpark();
232        createRoundSpark();
233        createSmokeTrail();
234        createDebris();
235        createShockwave();
236        explosionEffect.setLocalScale(0.5f);
237        renderManager.preloadScene(explosionEffect);
238
239        cam.setLocation(new Vector3f(0, 3.5135868f, 10));
240        cam.setRotation(new Quaternion(1.5714673E-4f, 0.98696727f, -0.16091813f, 9.6381607E-4f));
241
242        rootNode.attachChild(explosionEffect);
243    }
244
245    @Override
246    public void simpleUpdate(float tpf){
247        time += tpf / speed;
248        if (time > 1f && state == 0){
249            flash.emitAllParticles();
250            spark.emitAllParticles();
251            smoketrail.emitAllParticles();
252            debris.emitAllParticles();
253            shockwave.emitAllParticles();
254            state++;
255        }
256        if (time > 1f + .05f / speed && state == 1){
257            flame.emitAllParticles();
258            roundspark.emitAllParticles();
259            state++;
260        }
261
262        // rewind the effect
263        if (time > 5 / speed && state == 2){
264            state = 0;
265            time = 0;
266
267            flash.killAllParticles();
268            spark.killAllParticles();
269            smoketrail.killAllParticles();
270            debris.killAllParticles();
271            flame.killAllParticles();
272            roundspark.killAllParticles();
273            shockwave.killAllParticles();
274        }
275    }
276
277}
278