Examples with AnimChannel com.jme3.animation.AnimChannel used on opensource projects

Example 6 with AnimChannel

use of com.jme3.animation.AnimChannel in project jmonkeyengine by jMonkeyEngine.

the class SimulationNode method simulateSkeleton.

/**
     * Simulates the bone node.
     */
private void simulateSkeleton() {
    LOGGER.fine("Simulating skeleton.");
    Set<Long> alteredOmas = new HashSet<Long>();
    if (animations != null) {
        TempVars vars = TempVars.get();
        AnimChannel animChannel = animControl.createChannel();
        for (Animation animation : animations) {
            float[] animationTimeBoundaries = this.computeAnimationTimeBoundaries(animation);
            int maxFrame = (int) animationTimeBoundaries[0];
            float maxTime = animationTimeBoundaries[1];
            Map<Integer, VirtualTrack> tracks = new HashMap<Integer, VirtualTrack>();
            for (int frame = 0; frame < maxFrame; ++frame) {
                // this MUST be done here, otherwise setting next frame of animation will
                // lead to possible errors
                this.reset();
                // first set proper time for all bones in all the tracks ...
                for (Track track : animation.getTracks()) {
                    float time = ((BoneTrack) track).getTimes()[frame];
                    track.setTime(time, 1, animControl, animChannel, vars);
                    skeleton.updateWorldVectors();
                }
                // ... and then apply constraints from the root bone to the last child ...
                Set<Long> applied = new HashSet<Long>();
                for (Bone rootBone : skeleton.getRoots()) {
                    // ignore the 0-indexed bone
                    if (skeleton.getBoneIndex(rootBone) > 0) {
                        this.applyConstraints(rootBone, alteredOmas, applied, frame, new Stack<Bone>());
                    }
                }
                // ... add virtual tracks if neccessary, for bones that were altered but had no tracks before ...
                for (Long boneOMA : alteredOmas) {
                    BoneContext boneContext = blenderContext.getBoneContext(boneOMA);
                    int boneIndex = skeleton.getBoneIndex(boneContext.getBone());
                    if (!tracks.containsKey(boneIndex)) {
                        tracks.put(boneIndex, new VirtualTrack(boneContext.getBone().getName(), maxFrame, maxTime));
                    }
                }
                alteredOmas.clear();
                // ... and fill in another frame in the result track
                for (Entry<Integer, VirtualTrack> trackEntry : tracks.entrySet()) {
                    Bone bone = skeleton.getBone(trackEntry.getKey());
                    Transform startTransform = boneStartTransforms.get(bone);
                    // track contains differences between the frame position and bind positions of bones/spatials
                    Vector3f bonePositionDifference = bone.getLocalPosition().subtract(startTransform.getTranslation());
                    Quaternion boneRotationDifference = startTransform.getRotation().inverse().mult(bone.getLocalRotation()).normalizeLocal();
                    Vector3f boneScaleDifference = bone.getLocalScale().divide(startTransform.getScale());
                    trackEntry.getValue().setTransform(frame, new Transform(bonePositionDifference, boneRotationDifference, boneScaleDifference));
                }
            }
            for (Entry<Integer, VirtualTrack> trackEntry : tracks.entrySet()) {
                Track newTrack = trackEntry.getValue().getAsBoneTrack(trackEntry.getKey());
                if (newTrack != null) {
                    boolean trackReplaced = false;
                    for (Track track : animation.getTracks()) {
                        if (((BoneTrack) track).getTargetBoneIndex() == trackEntry.getKey().intValue()) {
                            animation.removeTrack(track);
                            animation.addTrack(newTrack);
                            trackReplaced = true;
                            break;
                        }
                    }
                    if (!trackReplaced) {
                        animation.addTrack(newTrack);
                    }
                }
            }
        }
        vars.release();
        animControl.clearChannels();
        this.reset();
    }
}

Example 7 with AnimChannel

use of com.jme3.animation.AnimChannel in project jmonkeyengine by jMonkeyEngine.

the class SpatialTrack method setTime.

/**
     * 
     * Modify the spatial which this track modifies.
     * 
     * @param time
     *            the current time of the animation
     */
public void setTime(float time, float weight, AnimControl control, AnimChannel channel, TempVars vars) {
    Spatial spatial = control.getSpatial();
    Vector3f tempV = vars.vect1;
    Vector3f tempS = vars.vect2;
    Quaternion tempQ = vars.quat1;
    Vector3f tempV2 = vars.vect3;
    Vector3f tempS2 = vars.vect4;
    Quaternion tempQ2 = vars.quat2;
    int lastFrame = times.length - 1;
    if (time < 0 || lastFrame == 0) {
        if (rotations != null)
            rotations.get(0, tempQ);
        if (translations != null)
            translations.get(0, tempV);
        if (scales != null) {
            scales.get(0, tempS);
        }
    } else if (time >= times[lastFrame]) {
        if (rotations != null)
            rotations.get(lastFrame, tempQ);
        if (translations != null)
            translations.get(lastFrame, tempV);
        if (scales != null) {
            scales.get(lastFrame, tempS);
        }
    } else {
        int startFrame = 0;
        int endFrame = 1;
        // use lastFrame so we never overflow the array
        for (int i = 0; i < lastFrame && times[i] < time; ++i) {
            startFrame = i;
            endFrame = i + 1;
        }
        float blend = (time - times[startFrame]) / (times[endFrame] - times[startFrame]);
        if (rotations != null)
            rotations.get(startFrame, tempQ);
        if (translations != null)
            translations.get(startFrame, tempV);
        if (scales != null) {
            scales.get(startFrame, tempS);
        }
        if (rotations != null)
            rotations.get(endFrame, tempQ2);
        if (translations != null)
            translations.get(endFrame, tempV2);
        if (scales != null) {
            scales.get(endFrame, tempS2);
        }
        tempQ.nlerp(tempQ2, blend);
        tempV.interpolateLocal(tempV2, blend);
        tempS.interpolateLocal(tempS2, blend);
    }
    if (translations != null)
        spatial.setLocalTranslation(tempV);
    if (rotations != null)
        spatial.setLocalRotation(tempQ);
    if (scales != null) {
        spatial.setLocalScale(tempS);
    }
}

Example 8 with AnimChannel

use of com.jme3.animation.AnimChannel in project jmonkeyengine by jMonkeyEngine.

the class TestModelExportingCloning method simpleInitApp.

@Override
public void simpleInitApp() {
    cam.setLocation(new Vector3f(10f, 3f, 40f));
    cam.lookAtDirection(Vector3f.UNIT_Z.negate(), Vector3f.UNIT_Y);
    DirectionalLight dl = new DirectionalLight();
    dl.setDirection(new Vector3f(-0.1f, -0.7f, -1).normalizeLocal());
    dl.setColor(new ColorRGBA(1f, 1f, 1f, 1.0f));
    rootNode.addLight(dl);
    AnimControl control;
    AnimChannel channel;
    Spatial originalModel = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
    control = originalModel.getControl(AnimControl.class);
    channel = control.createChannel();
    channel.setAnim("Walk");
    rootNode.attachChild(originalModel);
    Spatial clonedModel = originalModel.clone();
    clonedModel.move(10, 0, 0);
    control = clonedModel.getControl(AnimControl.class);
    channel = control.createChannel();
    channel.setAnim("push");
    rootNode.attachChild(clonedModel);
    Spatial exportedModel = BinaryExporter.saveAndLoad(assetManager, originalModel);
    exportedModel.move(20, 0, 0);
    control = exportedModel.getControl(AnimControl.class);
    channel = control.createChannel();
    channel.setAnim("pull");
    rootNode.attachChild(exportedModel);
}