Examples with Transform com.jme3.math.Transform used on opensource projects

Example 31 with Transform

use of com.jme3.math.Transform in project jmonkeyengine by jMonkeyEngine.

the class ParticleEmitter method updateParticleState.

private void updateParticleState(float tpf) {
    // Force world transform to update
    this.getWorldTransform();
    TempVars vars = TempVars.get();
    Vector3f min = vars.vect1.set(Vector3f.POSITIVE_INFINITY);
    Vector3f max = vars.vect2.set(Vector3f.NEGATIVE_INFINITY);
    for (int i = 0; i < particles.length; ++i) {
        Particle p = particles[i];
        if (p.life == 0) {
            //                assert i <= firstUnUsed;
            continue;
        }
        p.life -= tpf;
        if (p.life <= 0) {
            this.freeParticle(i);
            continue;
        }
        updateParticle(p, tpf, min, max);
        if (firstUnUsed < i) {
            this.swap(firstUnUsed, i);
            if (i == lastUsed) {
                lastUsed = firstUnUsed;
            }
            firstUnUsed++;
        }
    }
    // Spawns particles within the tpf timeslot with proper age
    float interval = 1f / particlesPerSec;
    float originalTpf = tpf;
    tpf += timeDifference;
    while (tpf > interval) {
        tpf -= interval;
        Particle p = emitParticle(min, max);
        if (p != null) {
            p.life -= tpf;
            if (lastPos != null && isInWorldSpace()) {
                p.position.interpolateLocal(lastPos, 1 - tpf / originalTpf);
            }
            if (p.life <= 0) {
                freeParticle(lastUsed);
            } else {
                updateParticle(p, tpf, min, max);
            }
        }
    }
    timeDifference = tpf;
    if (lastPos == null) {
        lastPos = new Vector3f();
    }
    lastPos.set(getWorldTranslation());
    //This check avoids a NaN bounds when all the particles are dead during the first update.
    if (!min.equals(Vector3f.POSITIVE_INFINITY) && !max.equals(Vector3f.NEGATIVE_INFINITY)) {
        BoundingBox bbox = (BoundingBox) this.getMesh().getBound();
        bbox.setMinMax(min, max);
        this.setBoundRefresh();
    }
    vars.release();
}

Example 32 with Transform

use of com.jme3.math.Transform in project jmonkeyengine by jMonkeyEngine.

the class CompoundCollisionShape method addChildShape.

/**
     * adds a child shape at the given local translation
     * @param shape the child shape to add
     * @param location the local location of the child shape
     */
public void addChildShape(CollisionShape shape, Vector3f location, Matrix3f rotation) {
    if (shape instanceof CompoundCollisionShape) {
        throw new IllegalStateException("CompoundCollisionShapes cannot have CompoundCollisionShapes as children!");
    }
    Transform transA = new Transform(Converter.convert(rotation));
    Converter.convert(location, transA.origin);
    Converter.convert(rotation, transA.basis);
    children.add(new ChildCollisionShape(location.clone(), rotation.clone(), shape));
    ((CompoundShape) cShape).addChildShape(transA, shape.getCShape());
}

Example 33 with Transform

use of com.jme3.math.Transform in project jmonkeyengine by jMonkeyEngine.

the class ObjectHelper method toObject.

/**
     * This method reads the given structure and createn an object that
     * represents the data.
     * 
     * @param objectStructure
     *            the object's structure
     * @param blenderContext
     *            the blender context
     * @return blener's object representation or null if its type is excluded from loading
     * @throws BlenderFileException
     *             an exception is thrown when the given data is inapropriate
     */
public Object toObject(Structure objectStructure, BlenderContext blenderContext) throws BlenderFileException {
    Object loadedResult = blenderContext.getLoadedFeature(objectStructure.getOldMemoryAddress(), LoadedDataType.FEATURE);
    if (loadedResult != null) {
        return loadedResult;
    }
    LOGGER.fine("Loading blender object.");
    if ("ID".equals(objectStructure.getType())) {
        Node object = (Node) this.loadLibrary(objectStructure);
        if (object.getParent() != null) {
            LOGGER.log(Level.FINEST, "Detaching object {0}, loaded from external file, from its parent.", object);
            object.getParent().detachChild(object);
        }
        return object;
    }
    int type = ((Number) objectStructure.getFieldValue("type")).intValue();
    ObjectType objectType = ObjectType.valueOf(type);
    LOGGER.log(Level.FINE, "Type of the object: {0}.", objectType);
    int lay = ((Number) objectStructure.getFieldValue("lay")).intValue();
    if ((lay & blenderContext.getBlenderKey().getLayersToLoad()) == 0) {
        LOGGER.fine("The layer this object is located in is not included in loading.");
        return null;
    }
    blenderContext.pushParent(objectStructure);
    String name = objectStructure.getName();
    LOGGER.log(Level.FINE, "Loading obejct: {0}", name);
    int restrictflag = ((Number) objectStructure.getFieldValue("restrictflag")).intValue();
    boolean visible = (restrictflag & 0x01) != 0;
    Pointer pParent = (Pointer) objectStructure.getFieldValue("parent");
    Object parent = blenderContext.getLoadedFeature(pParent.getOldMemoryAddress(), LoadedDataType.FEATURE);
    if (parent == null && pParent.isNotNull()) {
        Structure parentStructure = pParent.fetchData().get(0);
        parent = this.toObject(parentStructure, blenderContext);
    }
    Transform t = this.getTransformation(objectStructure, blenderContext);
    LOGGER.log(Level.FINE, "Importing object of type: {0}", objectType);
    Node result = null;
    try {
        switch(objectType) {
            case LATTICE:
            case METABALL:
            case TEXT:
            case WAVE:
                LOGGER.log(Level.WARNING, "{0} type is not supported but the node will be returned in order to keep parent - child relationship.", objectType);
            case EMPTY:
            case ARMATURE:
                // need to use an empty node to properly create
                // parent-children relationships between nodes
                result = new Node(name);
                break;
            case MESH:
                result = new Node(name);
                MeshHelper meshHelper = blenderContext.getHelper(MeshHelper.class);
                Pointer pMesh = (Pointer) objectStructure.getFieldValue("data");
                List<Structure> meshesArray = pMesh.fetchData();
                TemporalMesh temporalMesh = meshHelper.toTemporalMesh(meshesArray.get(0), blenderContext);
                if (temporalMesh != null) {
                    result.attachChild(temporalMesh);
                }
                break;
            case SURF:
            case CURVE:
                result = new Node(name);
                Pointer pCurve = (Pointer) objectStructure.getFieldValue("data");
                if (pCurve.isNotNull()) {
                    CurvesHelper curvesHelper = blenderContext.getHelper(CurvesHelper.class);
                    Structure curveData = pCurve.fetchData().get(0);
                    TemporalMesh curvesTemporalMesh = curvesHelper.toCurve(curveData, blenderContext);
                    if (curvesTemporalMesh != null) {
                        result.attachChild(curvesTemporalMesh);
                    }
                }
                break;
            case LAMP:
                Pointer pLamp = (Pointer) objectStructure.getFieldValue("data");
                if (pLamp.isNotNull()) {
                    LightHelper lightHelper = blenderContext.getHelper(LightHelper.class);
                    List<Structure> lampsArray = pLamp.fetchData();
                    Light light = lightHelper.toLight(lampsArray.get(0), blenderContext);
                    if (light == null) {
                        // probably some light type is not supported, just create a node so that we can maintain child-parent relationship for nodes
                        result = new Node(name);
                    } else {
                        result = new LightNode(name, light);
                    }
                }
                break;
            case CAMERA:
                Pointer pCamera = (Pointer) objectStructure.getFieldValue("data");
                if (pCamera.isNotNull()) {
                    CameraHelper cameraHelper = blenderContext.getHelper(CameraHelper.class);
                    List<Structure> camerasArray = pCamera.fetchData();
                    Camera camera = cameraHelper.toCamera(camerasArray.get(0), blenderContext);
                    if (camera == null) {
                        // just create a node so that we can maintain child-parent relationship for nodes
                        result = new Node(name);
                    } else {
                        result = new CameraNode(name, camera);
                    }
                }
                break;
            default:
                LOGGER.log(Level.WARNING, "Unsupported object type: {0}", type);
        }
        if (result != null) {
            LOGGER.fine("Storing loaded feature in blender context and applying markers (those will be removed before the final result is released).");
            Long oma = objectStructure.getOldMemoryAddress();
            blenderContext.addLoadedFeatures(oma, LoadedDataType.STRUCTURE, objectStructure);
            blenderContext.addLoadedFeatures(oma, LoadedDataType.FEATURE, result);
            blenderContext.addMarker(OMA_MARKER, result, objectStructure.getOldMemoryAddress());
            if (objectType == ObjectType.ARMATURE) {
                blenderContext.addMarker(ARMATURE_NODE_MARKER, result, Boolean.TRUE);
            }
            result.setLocalTransform(t);
            result.setCullHint(visible ? CullHint.Always : CullHint.Inherit);
            if (parent instanceof Node) {
                ((Node) parent).attachChild(result);
            }
            LOGGER.fine("Reading and applying object's modifiers.");
            ModifierHelper modifierHelper = blenderContext.getHelper(ModifierHelper.class);
            Collection<Modifier> modifiers = modifierHelper.readModifiers(objectStructure, blenderContext);
            for (Modifier modifier : modifiers) {
                modifier.apply(result, blenderContext);
            }
            if (result.getChildren() != null && result.getChildren().size() > 0) {
                if (result.getChildren().size() == 1 && result.getChild(0) instanceof TemporalMesh) {
                    LOGGER.fine("Converting temporal mesh into jme geometries.");
                    ((TemporalMesh) result.getChild(0)).toGeometries();
                }
                LOGGER.fine("Applying proper scale to the geometries.");
                for (Spatial child : result.getChildren()) {
                    if (child instanceof Geometry) {
                        this.flipMeshIfRequired((Geometry) child, child.getWorldScale());
                    }
                }
            }
            // I prefer do compute bounding box here than read it from the file
            result.updateModelBound();
            LOGGER.fine("Applying animations to the object if such are defined.");
            AnimationHelper animationHelper = blenderContext.getHelper(AnimationHelper.class);
            animationHelper.applyAnimations(result, blenderContext.getBlenderKey().getAnimationMatchMethod());
            LOGGER.fine("Loading constraints connected with this object.");
            ConstraintHelper constraintHelper = blenderContext.getHelper(ConstraintHelper.class);
            constraintHelper.loadConstraints(objectStructure, blenderContext);
            LOGGER.fine("Loading custom properties.");
            if (blenderContext.getBlenderKey().isLoadObjectProperties()) {
                Properties properties = this.loadProperties(objectStructure, blenderContext);
                // each value and set it to Spatial
                if (properties != null && properties.getValue() != null) {
                    this.applyProperties(result, properties);
                }
            }
        }
    } finally {
        blenderContext.popParent();
    }
    return result;
}

Example 34 with Transform

use of com.jme3.math.Transform in project jmonkeyengine by jMonkeyEngine.

the class AbstractPhysicsControl method applyPhysicsTransform.

/**
     * Applies a physics transform to the spatial
     *
     * @param worldLocation
     * @param worldRotation
     */
protected void applyPhysicsTransform(Vector3f worldLocation, Quaternion worldRotation) {
    if (enabled && spatial != null) {
        Vector3f localLocation = spatial.getLocalTranslation();
        Quaternion localRotationQuat = spatial.getLocalRotation();
        if (!applyLocal && spatial.getParent() != null) {
            localLocation.set(worldLocation).subtractLocal(spatial.getParent().getWorldTranslation());
            localLocation.divideLocal(spatial.getParent().getWorldScale());
            tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
            localRotationQuat.set(worldRotation);
            tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().mult(localRotationQuat, localRotationQuat);
            spatial.setLocalTranslation(localLocation);
            spatial.setLocalRotation(localRotationQuat);
        } else {
            spatial.setLocalTranslation(worldLocation);
            spatial.setLocalRotation(worldRotation);
        }
    }
}

Example 35 with Transform

use of com.jme3.math.Transform in project jmonkeyengine by jMonkeyEngine.

the class ParticleEmitter method emitParticles.

/**
     * Instantly emits available particles, up to num.
     */
public void emitParticles(int num) {
    // Force world transform to update
    this.getWorldTransform();
    TempVars vars = TempVars.get();
    BoundingBox bbox = (BoundingBox) this.getMesh().getBound();
    Vector3f min = vars.vect1;
    Vector3f max = vars.vect2;
    bbox.getMin(min);
    bbox.getMax(max);
    if (!Vector3f.isValidVector(min)) {
        min.set(Vector3f.POSITIVE_INFINITY);
    }
    if (!Vector3f.isValidVector(max)) {
        max.set(Vector3f.NEGATIVE_INFINITY);
    }
    for (int i = 0; i < num; i++) {
        if (emitParticle(min, max) == null)
            break;
    }
    bbox.setMinMax(min, max);
    this.setBoundRefresh();
    vars.release();
}