import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
@FXThread
protected void buildForImpl(@NotNull final Object object, @Nullable final Object parent,
                            @NotNull final VBox container, @NotNull final ModelChangeConsumer changeConsumer) {

    if (!(object instanceof EmitterShape)) return;

    final EmitterShape shape = (EmitterShape) object;

    if (shape instanceof EmitterPointShape) {
        createControls(container, changeConsumer, (EmitterPointShape) object);
    } else if (shape instanceof EmitterBoxShape) {
        createControls(container, changeConsumer, (EmitterBoxShape) object);
    } else if (shape instanceof EmitterSphereShape) {
        createControls(container, changeConsumer, (EmitterSphereShape) object);
    }
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
public void influenceParticle(Particle particle, EmitterShape emitterShape) {
    emitterShape.getRandomPointAndNormal(particle.position, particle.velocity);
    // influencing the particle's velocity
    if (surfaceTangentFactor == 0.0f) {
        particle.velocity.multLocal(normalVelocity);
    } else {
        // calculating surface tangent (velocity contains the 'normal' value)
        temp.set(particle.velocity.z * surfaceTangentFactor, particle.velocity.y * surfaceTangentFactor, -particle.velocity.x * surfaceTangentFactor);
        if (surfaceTangentRotation != 0.0f) {// rotating the tangent
            Matrix3f m = new Matrix3f();
            m.fromAngleNormalAxis(FastMath.PI * surfaceTangentRotation, particle.velocity);
            temp = m.multLocal(temp);
        }
        // applying normal factor (this must be done first)
        particle.velocity.multLocal(normalVelocity);
        // adding tangent vector
        particle.velocity.addLocal(temp);
    }
    if (velocityVariation != 0.0f) {
        this.applyVelocityVariation(particle);
    }
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
public SceneExplorerProperty(T instance, Class valueType, String getter, String setter, ScenePropertyChangeListener listener) throws NoSuchMethodException {
    super(instance, valueType, getter, setter);
    addPropertyChangeListener(listener);
    if (valueType == Vector3f.class) {
        setPropertyEditorClass(Vector3fPropertyEditor.class);
    } else if (valueType == Quaternion.class) {
        setPropertyEditorClass(QuaternionPropertyEditor.class);
    } else if (valueType == Matrix3f.class) {
        setPropertyEditorClass(Matrix3fPropertyEditor.class);
    } else if (valueType == ColorRGBA.class) {
        setPropertyEditorClass(ColorRGBAPropertyEditor.class);
    } else if (valueType == EmitterShape.class) {
        setPropertyEditorClass(EmitterShapePropertyEditor.class);
    } else if (valueType == Vector2f.class) {
        setPropertyEditorClass(Vector2fPropertyEditor.class);
    }

    for (SceneExplorerPropertyEditor di : Lookup.getDefault().lookupAll(SceneExplorerPropertyEditor.class)) {
        di.setEditor(valueType, this);
    }
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
@FXThread
protected @NotNull EmitterShape createEmitterShape(@NotNull final VarTable vars) {
    final Vector3f min = vars.get(PROPERTY_MIN);
    final Vector3f max = vars.get(PROPERTY_MAX);
    return new EmitterBoxShape(min, max);
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
/**
 * Handle the result from the dialog.
 *
 * @param vars the table with variables.
 */
@FXThread
private void handleResult(@NotNull final VarTable vars) {

    final TreeNode<?> treeNode = getNode();
    final ParticleEmitter element = (ParticleEmitter) treeNode.getElement();
    final EmitterShape emitterShape = createEmitterShape(vars);

    final NodeTree<?> nodeTree = getNodeTree();
    final ChangeConsumer changeConsumer = notNull(nodeTree.getChangeConsumer());
    changeConsumer.execute(new ChangeEmitterShapeOperation(emitterShape, element));
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
@FXThread
protected @NotNull EmitterShape createEmitterShape(@NotNull final VarTable vars) {
    final Geometry geometry = vars.get(PROPERTY_GEOMETRY);
    final List<Mesh> meshes = singletonList(geometry.getMesh());
    return createEmitterShape(meshes);
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
@FXThread
protected @NotNull EmitterShape createEmitterShape(@NotNull final VarTable vars) {
    final Vector3f center = vars.get(PROPERTY_CENTER);
    final float radius = vars.getFloat(PROPERTY_RADIUS);
    return new EmitterSphereShape(center, radius);
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
private void switchShape(final @NotNull ModelChangeConsumer editor) {

        final EmitterShape shape = emitter.getShape();
        final EmitterShape newShape = prevShape;
        prevShape = shape;
        emitter.setShape(newShape);

        EXECUTOR_MANAGER.addFXTask(() -> editor.notifyFXReplaced(emitter, prevShape, newShape, true, true));
    }
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@NotNull
@Override
public Array<TreeNode<?>> getChildren(@NotNull final NodeTree<?> nodeTree) {

    final ParticleEmitter element = getElement();
    final TreeNode<ParticleInfluencer> influencerTreeNode = FACTORY_REGISTRY.createFor(element.getParticleInfluencer());
    final TreeNode<EmitterShape> shapeTreeNode = FACTORY_REGISTRY.createFor(element.getShape());

    final Array<TreeNode<?>> children = ArrayFactory.newArray(TreeNode.class);
    if (influencerTreeNode != null) children.add(influencerTreeNode);
    if (shapeTreeNode != null) children.add(shapeTreeNode);
    children.addAll(super.getChildren(nodeTree));

    return children;
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
public SceneExplorerProperty(T instance, Class valueType, String getter, String setter, ScenePropertyChangeListener listener) throws NoSuchMethodException {
    super(instance, valueType, getter, setter);
    primitive = isPrimitive(instance, getter);
    if (!primitive) {
        cloneable = canClone(instance, getter);
        instantiable = canRecreate(instance, getter);
    } else {
        cloneable = false;
        instantiable = false;
    }
    if (valueType == Vector3f.class) {
        setPropertyEditorClass(Vector3fPropertyEditor.class);
    } else if (valueType == Quaternion.class) {
        setPropertyEditorClass(QuaternionPropertyEditor.class);
    } else if (valueType == Matrix3f.class) {
        setPropertyEditorClass(Matrix3fPropertyEditor.class);
    } else if (valueType == ColorRGBA.class) {
        setPropertyEditorClass(ColorRGBAPropertyEditor.class);
    } else if (valueType == EmitterShape.class) {
        setPropertyEditorClass(EmitterShapePropertyEditor.class);
    } else if (valueType == Vector2f.class) {
        setPropertyEditorClass(Vector2fPropertyEditor.class);
    } else if (valueType == ParticleInfluencer.class) {
        setPropertyEditorClass(ParticleInfluencerPropertyEditor.class);
    } else if (Light.class.isAssignableFrom(valueType)) {
        setPropertyEditorClass(LightPropertyEditor.class);
    }

    for (SceneExplorerPropertyEditor di : Lookup.getDefault().lookupAll(SceneExplorerPropertyEditor.class)) {
        di.setEditor(valueType, this);
    }
    //TODO: instantiates editor?
    editable = this.canWrite();
    logger.log(Level.FINE, "Created SceneExplorerProperty for {0},\n cloneable = {1},\n instantiatable = {2},\n primitive = {3},\n editable = {4}", new Object[]{valueType, cloneable, instantiable, primitive, editable});
    addPropertyChangeListener(listener);
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
private void notifyListeners(EmitterShape before, EmitterShape after) {
    for (Iterator<PropertyChangeListener> it = listeners.iterator(); it.hasNext();) {
        PropertyChangeListener propertyChangeListener = it.next();
        //TODO: check what the "programmatic name" is supposed to be here.. for now its Quaternion
        propertyChangeListener.propertyChange(new PropertyChangeEvent(this, null, before, after));
    }
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
private ParticleEmitter createPurpleEmitter() {
    ParticleEmitter purple = new ParticleEmitter("poison-emitter",
            ParticleMesh.Type.Triangle, 400);
    Material mat = new Material(assets,
            "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assets.loadTexture("Effects/flame.png"));
    purple.setMaterial(mat);
    purple.setImagesX(2);
    purple.setImagesY(2);
    purple.setSelectRandomImage(true);
    purple.setStartColor(new ColorRGBA(0.8f, 0.015f, 0.8f, 0.6f));
    purple.setEndColor(new ColorRGBA(0.8f, 0.015f, 0.8f, 0.6f));
    purple.setStartSize(1f);
    purple.setEndSize(2f);
    purple.setLowLife(0.2f);
    purple.setHighLife(0.2f);
    purple.setParticlesPerSec(300);
    purple.getParticleInfluencer().setInitialVelocity(Vector3f.ZERO);
    purple.getParticleInfluencer().setVelocityVariation(0);
    purple.setInWorldSpace(false);
    EmitterShape shape = 
            new EmitterArcShape(Vector3f.ZERO, 0.3f, 0.8f, 1.5f * RADIUS);
    purple.setShape(shape);

    purple.setRandomAngle(true);
    return purple;
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
public EmitterShape deepClone() {
    try {
        EmitterArcShape clone = (EmitterArcShape) super.clone();
        clone.origin = origin.clone();
        return clone;
    } catch (CloneNotSupportedException ex) {
        throw new AssertionError();
    }
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
public EmitterShape deepClone(){
    try {
        EmitterCircleShape clone = (EmitterCircleShape) super.clone();
        clone.center = center.clone();
        return clone;
    } catch (CloneNotSupportedException ex) {
        throw new AssertionError();
    }
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
public Node apply(Node node, BlenderContext blenderContext) {
    if (invalid) {
        LOGGER.log(Level.WARNING, "Particles modifier is invalid! Cannot be applied to: {0}", node.getName());
        return node;
    }

    MaterialHelper materialHelper = blenderContext.getHelper(MaterialHelper.class);
    ParticleEmitter emitter = particleEmitter.clone();

    // veryfying the alpha function for particles' texture
    Integer alphaFunction = MaterialHelper.ALPHA_MASK_HYPERBOLE;
    char nameSuffix = emitter.getName().charAt(emitter.getName().length() - 1);
    if (nameSuffix == 'B' || nameSuffix == 'N') {
        alphaFunction = MaterialHelper.ALPHA_MASK_NONE;
    }
    // removing the type suffix from the name
    emitter.setName(emitter.getName().substring(0, emitter.getName().length() - 1));

    // applying emitter shape
    EmitterShape emitterShape = emitter.getShape();
    List<Mesh> meshes = new ArrayList<Mesh>();
    for (Spatial spatial : node.getChildren()) {
        if (spatial instanceof Geometry) {
            Mesh mesh = ((Geometry) spatial).getMesh();
            if (mesh != null) {
                meshes.add(mesh);
                Material material = materialHelper.getParticlesMaterial(((Geometry) spatial).getMaterial(), alphaFunction, blenderContext);
                emitter.setMaterial(material);// TODO: divide into several pieces
            }
        }
    }
    if (meshes.size() > 0 && emitterShape instanceof EmitterMeshVertexShape) {
        ((EmitterMeshVertexShape) emitterShape).setMeshes(meshes);
    }

    node.attachChild(emitter);
    return node;
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
@FXThread
protected @NotNull EmitterShape createEmitterShape(@NotNull final VarTable vars) {
    final Vector3f point = vars.get(PROPERTY_POINT);
    return new EmitterPointShape(point);
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
public ChangeEmitterShapeOperation(@NotNull final EmitterShape newShape, @NotNull final ParticleEmitter emitter) {
    this.prevShape = newShape;
    this.emitter = emitter;
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
public EmitterShapeTreeNode(@NotNull final EmitterShape element, final long objectId) {
    super(element, objectId);
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
@Override
@FromAnyThread
public @NotNull String getName() {
    final EmitterShape element = getElement();
    return element.getClass().getSimpleName();
}
 

import com.jme3.effect.shapes.EmitterShape; //导入依赖的package包/类
public void setShape(EmitterShape shape) {
    this.shape = shape;
}