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      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 
     33 package jme3test.effect;
     34 
     35 import com.jme3.app.SimpleApplication;
     36 import com.jme3.effect.ParticleEmitter;
     37 import com.jme3.effect.ParticleMesh.Type;
     38 import com.jme3.effect.shapes.EmitterSphereShape;
     39 import com.jme3.material.Material;
     40 import com.jme3.math.ColorRGBA;
     41 import com.jme3.math.FastMath;
     42 import com.jme3.math.Quaternion;
     43 import com.jme3.math.Vector3f;
     44 import com.jme3.scene.Node;
     45 
     46 public 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