Examples with Node com.jme3.scene.Node used on opensource projects

Example 16 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class SceneLoader method loadObjects.

private void loadObjects(FbxElement element) throws IOException {
    FbxObject obj = null;
    for (FbxElement e : element.children) {
        switch(e.id) {
            case "Geometry":
                FbxMesh mesh = new FbxMesh(this, e);
                obj = mesh;
                if (mesh.geometries != null)
                    geomMap.put(mesh.id, mesh);
                break;
            case "Material":
                obj = new FbxMaterial(this, e);
                break;
            case "Model":
                FbxNode node = new FbxNode(this, e);
                obj = node;
                modelMap.put(node.id, node);
                if (node.isLimb())
                    limbMap.put(node.id, node);
                break;
            case "Pose":
                FbxBindPose pose = new FbxBindPose(this, e);
                obj = pose;
                bindMap.put(pose.id, pose);
                break;
            case "Texture":
                obj = new FbxTexture(this, e);
                break;
            case "Video":
                obj = new FbxImage(this, e);
                break;
            case "Deformer":
                obj = loadDeformer(e);
                break;
            case "AnimationLayer":
                FbxObject layer = new FbxObject(this, e);
                obj = layer;
                alayerMap.put(layer.id, layer);
                break;
            case "AnimationCurve":
                obj = new FbxAnimCurve(this, e);
                break;
            case "AnimationCurveNode":
                obj = new FbxAnimNode(this, e);
                break;
            default:
                obj = null;
        }
        if (obj != null)
            allObjects.put(obj.id, obj);
    }
}

Example 17 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class ObjectHelper method isParent.

/**
     * Checks if the first given OMA points to a parent of the second one.
     * The parent need not to be the direct one. This method should be called when we are sure
     * that both of the features are alred loaded because it does not check it.
     * The OMA's should point to a spatials, otherwise the function will throw ClassCastException.
     * @param supposedParentOMA
     *            the OMA of the node that we suppose might be a parent of the second one
     * @param spatialOMA
     *            the OMA of the scene's node
     * @return <b>true</b> if the first given OMA points to a parent of the second one and <b>false</b> otherwise
     */
public boolean isParent(Long supposedParentOMA, Long spatialOMA) {
    Spatial supposedParent = (Spatial) blenderContext.getLoadedFeature(supposedParentOMA, LoadedDataType.FEATURE);
    Spatial spatial = (Spatial) blenderContext.getLoadedFeature(spatialOMA, LoadedDataType.FEATURE);
    Spatial parent = spatial.getParent();
    while (parent != null) {
        if (parent.equals(supposedParent)) {
            return true;
        }
        parent = parent.getParent();
    }
    return false;
}

Example 18 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class MirrorModifier method apply.

@Override
public void apply(Node node, BlenderContext blenderContext) {
    if (invalid) {
        LOGGER.log(Level.WARNING, "Mirror modifier is invalid! Cannot be applied to: {0}", node.getName());
    } else {
        TemporalMesh temporalMesh = this.getTemporalMesh(node);
        if (temporalMesh != null) {
            LOGGER.log(Level.FINE, "Applying mirror modifier to: {0}", temporalMesh);
            Vector3f mirrorPlaneCenter = new Vector3f();
            if (pMirrorObject.isNotNull()) {
                Structure objectStructure;
                try {
                    objectStructure = pMirrorObject.fetchData().get(0);
                    ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
                    Node object = (Node) objectHelper.toObject(objectStructure, blenderContext);
                    if (object != null) {
                        // compute the mirror object coordinates in node's local space
                        mirrorPlaneCenter = this.getWorldMatrix(node).invertLocal().mult(object.getWorldTranslation());
                    }
                } catch (BlenderFileException e) {
                    LOGGER.log(Level.SEVERE, "Cannot load mirror''s reference object. Cause: {0}", e.getLocalizedMessage());
                    LOGGER.log(Level.SEVERE, "Mirror modifier will not be applied to node named: {0}", node.getName());
                    return;
                }
            }
            LOGGER.finest("Allocating temporal variables.");
            float d;
            Vector3f mirrorPlaneNormal = new Vector3f();
            Vector3f shiftVector = new Vector3f();
            LOGGER.fine("Mirroring mesh.");
            for (int mirrorIndex = 0; mirrorIndex < 3; ++mirrorIndex) {
                if (isMirrored[mirrorIndex]) {
                    boolean mirrorAtPoint0 = mirrorPlaneCenter.get(mirrorIndex) == 0;
                    if (!mirrorAtPoint0) {
                        // compute mirror's plane normal vector in node's space
                        mirrorPlaneNormal.set(0, 0, 0).set(mirrorIndex, Math.signum(mirrorPlaneCenter.get(mirrorIndex)));
                    }
                    TemporalMesh mirror = temporalMesh.clone();
                    for (int i = 0; i < mirror.getVertexCount(); ++i) {
                        Vector3f vertex = mirror.getVertices().get(i);
                        Vector3f normal = mirror.getNormals().get(i);
                        if (mirrorAtPoint0) {
                            d = Math.abs(vertex.get(mirrorIndex));
                            shiftVector.set(0, 0, 0).set(mirrorIndex, -vertex.get(mirrorIndex));
                        } else {
                            d = this.computeDistanceFromPlane(vertex, mirrorPlaneCenter, mirrorPlaneNormal);
                            mirrorPlaneNormal.mult(d, shiftVector);
                        }
                        if (merge && d <= tolerance) {
                            vertex.addLocal(shiftVector);
                            normal.set(mirrorIndex, 0);
                            temporalMesh.getVertices().get(i).addLocal(shiftVector);
                            temporalMesh.getNormals().get(i).set(mirrorIndex, 0);
                        } else {
                            vertex.addLocal(shiftVector.multLocal(2));
                            normal.set(mirrorIndex, -normal.get(mirrorIndex));
                        }
                    }
                    // flipping the indexes
                    for (Face face : mirror.getFaces()) {
                        face.flipIndexes();
                    }
                    for (Edge edge : mirror.getEdges()) {
                        edge.flipIndexes();
                    }
                    Collections.reverse(mirror.getPoints());
                    if (mirrorU || mirrorV) {
                        for (Face face : mirror.getFaces()) {
                            face.flipUV(mirrorU, mirrorV);
                        }
                    }
                    temporalMesh.append(mirror);
                }
            }
        } else {
            LOGGER.log(Level.WARNING, "Cannot find temporal mesh for node: {0}. The modifier will NOT be applied!", node);
        }
    }
}

Example 19 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class MirrorModifier method getWorldMatrix.

/**
     * Fetches the world matrix transformation of the given node.
     * @param node
     *            the node
     * @return the node's world transformation matrix
     */
private Matrix4f getWorldMatrix(Node node) {
    Matrix4f result = new Matrix4f();
    result.setTranslation(node.getWorldTranslation());
    result.setRotationQuaternion(node.getWorldRotation());
    result.setScale(node.getWorldScale());
    return result;
}

Example 20 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class ParticlesModifier method postMeshCreationApply.

@Override
public void postMeshCreationApply(Node node, BlenderContext blenderContext) {
    LOGGER.log(Level.FINE, "Applying particles modifier to: {0}", 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);
                // TODO: divide into several pieces
                emitter.setMaterial(material);
            }
        }
    }
    if (meshes.size() > 0 && emitterShape instanceof EmitterMeshVertexShape) {
        ((EmitterMeshVertexShape) emitterShape).setMeshes(meshes);
    }
    node.attachChild(emitter);
}