Examples with ParticleEmitter com.jme3.effect.ParticleEmitter used on opensource projects

Example 1 with ParticleEmitter

use of com.jme3.effect.ParticleEmitter in project jmonkeyengine by jMonkeyEngine.

the class ParticleEmitter method read.

@Override
public void read(JmeImporter im) throws IOException {
    super.read(im);
    InputCapsule ic = im.getCapsule(this);
    shape = (EmitterShape) ic.readSavable("shape", DEFAULT_SHAPE);
    if (shape == DEFAULT_SHAPE) {
        // Prevent reference to static
        shape = shape.deepClone();
    }
    meshType = ic.readEnum("meshType", ParticleMesh.Type.class, ParticleMesh.Type.Triangle);
    int numParticles = ic.readInt("numParticles", 0);
    enabled = ic.readBoolean("enabled", true);
    particlesPerSec = ic.readFloat("particlesPerSec", 0);
    lowLife = ic.readFloat("lowLife", 0);
    highLife = ic.readFloat("highLife", 0);
    gravity = (Vector3f) ic.readSavable("gravity", null);
    imagesX = ic.readInt("imagesX", 1);
    imagesY = ic.readInt("imagesY", 1);
    startColor = (ColorRGBA) ic.readSavable("startColor", null);
    endColor = (ColorRGBA) ic.readSavable("endColor", null);
    startSize = ic.readFloat("startSize", 0);
    endSize = ic.readFloat("endSize", 0);
    worldSpace = ic.readBoolean("worldSpace", false);
    this.setIgnoreTransform(worldSpace);
    facingVelocity = ic.readBoolean("facingVelocity", false);
    faceNormal = (Vector3f) ic.readSavable("faceNormal", new Vector3f(Vector3f.NAN));
    selectRandomImage = ic.readBoolean("selectRandomImage", false);
    randomAngle = ic.readBoolean("randomAngle", false);
    rotateSpeed = ic.readFloat("rotateSpeed", 0);
    switch(meshType) {
        case Point:
            particleMesh = new ParticlePointMesh();
            this.setMesh(particleMesh);
            break;
        case Triangle:
            particleMesh = new ParticleTriMesh();
            this.setMesh(particleMesh);
            break;
        default:
            throw new IllegalStateException("Unrecognized particle type: " + meshType);
    }
    this.setNumParticles(numParticles);
    //        particleMesh.initParticleData(this, particles.length);
    //        particleMesh.setImagesXY(imagesX, imagesY);
    particleInfluencer = (ParticleInfluencer) ic.readSavable("influencer", DEFAULT_INFLUENCER);
    if (particleInfluencer == DEFAULT_INFLUENCER) {
        particleInfluencer = particleInfluencer.clone();
    }
    if (im.getFormatVersion() == 0) {
        // find it in the controls and take it out, then add the proper one in
        for (int i = 0; i < controls.size(); i++) {
            Object obj = controls.get(i);
            if (obj instanceof ParticleEmitter) {
                controls.remove(i);
                // now add the proper one in
                controls.add(new ParticleEmitterControl(this));
                break;
            }
        }
        // compatability before gravity was not a vector but a float
        if (gravity == null) {
            gravity = new Vector3f();
            gravity.y = ic.readFloat("gravity", 0);
        }
    } else {
        // since the parentEmitter is not loaded, it must be
        // loaded separately
        control = getControl(ParticleEmitterControl.class);
        control.parentEmitter = this;
    }
}

Example 2 with ParticleEmitter

use of com.jme3.effect.ParticleEmitter in project jmonkeyengine by jMonkeyEngine.

the class ParticlePointMesh method initParticleData.

@Override
public void initParticleData(ParticleEmitter emitter, int numParticles) {
    setMode(Mode.Points);
    this.emitter = emitter;
    // set positions
    FloatBuffer pb = BufferUtils.createVector3Buffer(numParticles);
    //if the buffer is already set only update the data
    VertexBuffer buf = getBuffer(VertexBuffer.Type.Position);
    if (buf != null) {
        buf.updateData(pb);
    } else {
        VertexBuffer pvb = new VertexBuffer(VertexBuffer.Type.Position);
        pvb.setupData(Usage.Stream, 3, Format.Float, pb);
        setBuffer(pvb);
    }
    // set colors
    ByteBuffer cb = BufferUtils.createByteBuffer(numParticles * 4);
    buf = getBuffer(VertexBuffer.Type.Color);
    if (buf != null) {
        buf.updateData(cb);
    } else {
        VertexBuffer cvb = new VertexBuffer(VertexBuffer.Type.Color);
        cvb.setupData(Usage.Stream, 4, Format.UnsignedByte, cb);
        cvb.setNormalized(true);
        setBuffer(cvb);
    }
    // set sizes
    FloatBuffer sb = BufferUtils.createFloatBuffer(numParticles);
    buf = getBuffer(VertexBuffer.Type.Size);
    if (buf != null) {
        buf.updateData(sb);
    } else {
        VertexBuffer svb = new VertexBuffer(VertexBuffer.Type.Size);
        svb.setupData(Usage.Stream, 1, Format.Float, sb);
        setBuffer(svb);
    }
    // set UV-scale
    FloatBuffer tb = BufferUtils.createFloatBuffer(numParticles * 4);
    buf = getBuffer(VertexBuffer.Type.TexCoord);
    if (buf != null) {
        buf.updateData(tb);
    } else {
        VertexBuffer tvb = new VertexBuffer(VertexBuffer.Type.TexCoord);
        tvb.setupData(Usage.Stream, 4, Format.Float, tb);
        setBuffer(tvb);
    }
    updateCounts();
}

Example 3 with ParticleEmitter

use of com.jme3.effect.ParticleEmitter in project jmonkeyengine by jMonkeyEngine.

the class ParticleTriMesh method initParticleData.

//    private Particle[] particlesCopy;
@Override
public void initParticleData(ParticleEmitter emitter, int numParticles) {
    setMode(Mode.Triangles);
    this.emitter = emitter;
    //        particlesCopy = new Particle[numParticles];
    // set positions
    FloatBuffer pb = BufferUtils.createVector3Buffer(numParticles * 4);
    // if the buffer is already set only update the data
    VertexBuffer buf = getBuffer(VertexBuffer.Type.Position);
    if (buf != null) {
        buf.updateData(pb);
    } else {
        VertexBuffer pvb = new VertexBuffer(VertexBuffer.Type.Position);
        pvb.setupData(Usage.Stream, 3, Format.Float, pb);
        setBuffer(pvb);
    }
    // set colors
    ByteBuffer cb = BufferUtils.createByteBuffer(numParticles * 4 * 4);
    buf = getBuffer(VertexBuffer.Type.Color);
    if (buf != null) {
        buf.updateData(cb);
    } else {
        VertexBuffer cvb = new VertexBuffer(VertexBuffer.Type.Color);
        cvb.setupData(Usage.Stream, 4, Format.UnsignedByte, cb);
        cvb.setNormalized(true);
        setBuffer(cvb);
    }
    // set texcoords
    FloatBuffer tb = BufferUtils.createVector2Buffer(numParticles * 4);
    uniqueTexCoords = false;
    for (int i = 0; i < numParticles; i++) {
        tb.put(0f).put(1f);
        tb.put(1f).put(1f);
        tb.put(0f).put(0f);
        tb.put(1f).put(0f);
    }
    tb.flip();
    buf = getBuffer(VertexBuffer.Type.TexCoord);
    if (buf != null) {
        buf.updateData(tb);
    } else {
        VertexBuffer tvb = new VertexBuffer(VertexBuffer.Type.TexCoord);
        tvb.setupData(Usage.Static, 2, Format.Float, tb);
        setBuffer(tvb);
    }
    // set indices
    ShortBuffer ib = BufferUtils.createShortBuffer(numParticles * 6);
    for (int i = 0; i < numParticles; i++) {
        int startIdx = (i * 4);
        // triangle 1
        ib.put((short) (startIdx + 1)).put((short) (startIdx + 0)).put((short) (startIdx + 2));
        // triangle 2
        ib.put((short) (startIdx + 1)).put((short) (startIdx + 2)).put((short) (startIdx + 3));
    }
    ib.flip();
    buf = getBuffer(VertexBuffer.Type.Index);
    if (buf != null) {
        buf.updateData(ib);
    } else {
        VertexBuffer ivb = new VertexBuffer(VertexBuffer.Type.Index);
        ivb.setupData(Usage.Static, 3, Format.UnsignedShort, ib);
        setBuffer(ivb);
    }
    updateCounts();
}

Example 4 with ParticleEmitter

use of com.jme3.effect.ParticleEmitter in project jmonkeyengine by jMonkeyEngine.

the class HelloEffects method simpleInitApp.

@Override
public void simpleInitApp() {
    ParticleEmitter fire = new ParticleEmitter("Emitter", ParticleMesh.Type.Triangle, 30);
    Material mat_red = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat_red.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));
    fire.setMaterial(mat_red);
    fire.setImagesX(2);
    // 2x2 texture animation
    fire.setImagesY(2);
    // red
    fire.setEndColor(new ColorRGBA(1f, 0f, 0f, 1f));
    // yellow
    fire.setStartColor(new ColorRGBA(1f, 1f, 0f, 0.5f));
    fire.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 2, 0));
    fire.setStartSize(1.5f);
    fire.setEndSize(0.1f);
    fire.setGravity(0, 0, 0);
    fire.setLowLife(1f);
    fire.setHighLife(3f);
    fire.getParticleInfluencer().setVelocityVariation(0.3f);
    rootNode.attachChild(fire);
    ParticleEmitter debris = new ParticleEmitter("Debris", ParticleMesh.Type.Triangle, 10);
    Material debris_mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    debris_mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/Debris.png"));
    debris.setMaterial(debris_mat);
    debris.setImagesX(3);
    // 3x3 texture animation
    debris.setImagesY(3);
    debris.setSelectRandomImage(true);
    debris.setRotateSpeed(4);
    debris.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 4, 0));
    debris.setStartColor(ColorRGBA.White);
    debris.setGravity(0, 6, 0);
    debris.getParticleInfluencer().setVelocityVariation(.60f);
    rootNode.attachChild(debris);
    debris.emitAllParticles();
//    ParticleEmitter water = 
//            new ParticleEmitter("Emitter", ParticleMesh.Type.Triangle, 20);
//    Material mat_blue = new Material(assetManager, 
//            "Common/MatDefs/Misc/Particle.j3md");
//    mat_blue.setTexture("Texture", assetManager.loadTexture(
//            "Effects/Explosion/flame.png"));
//    water.setMaterial(mat_blue);
//    water.setImagesX(2); 
//    water.setImagesY(2); // 2x2 texture animation
//    water.setStartColor( ColorRGBA.Blue); 
//    water.setEndColor( ColorRGBA.Cyan); 
//    water.getParticleInfluencer().setInitialVelocity(new Vector3f(0, -4, 0));
//    water.setStartSize(1f);
//    water.setEndSize(1.5f);
//    water.setGravity(0,1,0);
//    water.setLowLife(1f);
//    water.setHighLife(1f);
//    water.getParticleInfluencer().setVelocityVariation(0.1f);
//    water.setLocalTranslation(0, 6, 0);
//    rootNode.attachChild(water);
}

Example 5 with ParticleEmitter

use of com.jme3.effect.ParticleEmitter in project jmonkeyengine by jMonkeyEngine.

the class TestExplosionEffect method createSmokeTrail.

private void createSmokeTrail() {
    smoketrail = new ParticleEmitter("SmokeTrail", Type.Triangle, 22 * COUNT_FACTOR);
    smoketrail.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, (float) (1.0f / COUNT_FACTOR_F)));
    smoketrail.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
    smoketrail.setStartSize(.2f);
    smoketrail.setEndSize(1f);
    //        smoketrail.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
    smoketrail.setFacingVelocity(true);
    smoketrail.setParticlesPerSec(0);
    smoketrail.setGravity(0, 1, 0);
    smoketrail.setLowLife(.4f);
    smoketrail.setHighLife(.5f);
    smoketrail.setInitialVelocity(new Vector3f(0, 12, 0));
    smoketrail.setVelocityVariation(1);
    smoketrail.setImagesX(1);
    smoketrail.setImagesY(3);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/smoketrail.png"));
    smoketrail.setMaterial(mat);
    explosionEffect.attachChild(smoketrail);
}