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

Example 1 with Track

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

the class BoneTrack method setTime.

/**
     * 
     * Modify the bone which this track modifies in the skeleton to contain
     * the correct animation transforms for a given time.
     * The transforms can be interpolated in some method from the keyframes.
     *
     * @param time the current time of the animation
     * @param weight the weight of the animation
     * @param control
     * @param channel
     * @param vars
     */
public void setTime(float time, float weight, AnimControl control, AnimChannel channel, TempVars vars) {
    BitSet affectedBones = channel.getAffectedBones();
    if (affectedBones != null && !affectedBones.get(targetBoneIndex)) {
        return;
    }
    Bone target = control.getSkeleton().getBone(targetBoneIndex);
    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) {
        rotations.get(0, tempQ);
        translations.get(0, tempV);
        if (scales != null) {
            scales.get(0, tempS);
        }
    } else if (time >= times[lastFrame]) {
        rotations.get(lastFrame, tempQ);
        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
        int i;
        for (i = 0; i < lastFrame && times[i] < time; i++) {
            startFrame = i;
            endFrame = i + 1;
        }
        float blend = (time - times[startFrame]) / (times[endFrame] - times[startFrame]);
        rotations.get(startFrame, tempQ);
        translations.get(startFrame, tempV);
        if (scales != null) {
            scales.get(startFrame, tempS);
        }
        rotations.get(endFrame, tempQ2);
        translations.get(endFrame, tempV2);
        if (scales != null) {
            scales.get(endFrame, tempS2);
        }
        tempQ.nlerp(tempQ2, blend);
        tempV.interpolateLocal(tempV2, blend);
        tempS.interpolateLocal(tempS2, blend);
    }
    //        if (weight != 1f) {
    target.blendAnimTransforms(tempV, tempQ, scales != null ? tempS : null, weight);
//        } else {
//            target.setAnimTransforms(tempV, tempQ, scales != null ? tempS : null);
//        }
}

Example 2 with Track

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

the class EffectTrack method write.

/**
     * Internal use only serialization
     *
     * @param ex exporter
     * @throws IOException exception
     */
public void write(JmeExporter ex) throws IOException {
    OutputCapsule out = ex.getCapsule(this);
    //reseting the particle emission rate on the emitter before saving.
    emitter.setParticlesPerSec(particlesPerSeconds);
    out.write(emitter, "emitter", null);
    out.write(particlesPerSeconds, "particlesPerSeconds", 0);
    out.write(length, "length", 0);
    out.write(startOffset, "startOffset", 0);
    //Setting emission rate to 0 so that this track can go on being used.
    emitter.setParticlesPerSec(0);
}

Example 3 with Track

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

the class AudioTrack method findAudio.

/**    
     * recursive function responsible for finding the newly cloned AudioNode
     *
     * @param spat
     * @return
     */
private AudioNode findAudio(Spatial spat) {
    if (spat instanceof AudioNode) {
        //spat is an AudioNode
        AudioNode em = (AudioNode) spat;
        //getting the UserData TrackInfo so check if it should be attached to this Track
        TrackInfo t = (TrackInfo) em.getUserData("TrackInfo");
        if (t != null && t.getTracks().contains(this)) {
            return em;
        }
        return null;
    } else if (spat instanceof Node) {
        for (Spatial child : ((Node) spat).getChildren()) {
            AudioNode em = findAudio(child);
            if (em != null) {
                return em;
            }
        }
    }
    return null;
}

Example 4 with Track

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

the class FbxToJmeTrack method toJmeTrackInternal.

private Track toJmeTrackInternal(int boneIndex, Transform inverseBindPose) {
    float duration = animStack.getDuration();
    FbxAnimCurveNode translationCurve = animCurves.get("Lcl Translation");
    FbxAnimCurveNode rotationCurve = animCurves.get("Lcl Rotation");
    FbxAnimCurveNode scalingCurve = animCurves.get("Lcl Scaling");
    long[] fbxTimes = getKeyTimes();
    float[] times = new float[fbxTimes.length];
    // Translations / Rotations must be set on all tracks.
    // (Required for jME3)
    Vector3f[] translations = new Vector3f[fbxTimes.length];
    Quaternion[] rotations = new Quaternion[fbxTimes.length];
    Vector3f[] scales = null;
    if (scalingCurve != null) {
        scales = new Vector3f[fbxTimes.length];
    }
    for (int i = 0; i < fbxTimes.length; i++) {
        long fbxTime = fbxTimes[i];
        float time = (float) (fbxTime * FbxAnimUtil.SECONDS_PER_UNIT);
        if (time > duration) {
            // Expand animation duration to fit the curve.
            duration = time;
            System.out.println("actual duration: " + duration);
        }
        times[i] = time;
        if (translationCurve != null) {
            translations[i] = translationCurve.getVector3Value(fbxTime);
        } else {
            translations[i] = new Vector3f();
        }
        if (rotationCurve != null) {
            rotations[i] = rotationCurve.getQuaternionValue(fbxTime);
            if (i > 0) {
                if (rotations[i - 1].dot(rotations[i]) < 0) {
                    System.out.println("rotation will go the long way, oh noes");
                    rotations[i - 1].negate();
                }
            }
        } else {
            rotations[i] = new Quaternion();
        }
        if (scalingCurve != null) {
            scales[i] = scalingCurve.getVector3Value(fbxTime);
        }
        if (inverseBindPose != null) {
            applyInverse(translations[i], rotations[i], scales != null ? scales[i] : null, inverseBindPose);
        }
    }
    if (boneIndex == -1) {
        return new SpatialTrack(times, translations, rotations, scales);
    } else {
        if (scales != null) {
            return new BoneTrack(boneIndex, times, translations, rotations, scales);
        } else {
            return new BoneTrack(boneIndex, times, translations, rotations);
        }
    }
}

Example 5 with Track

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

the class FbxLoader method constructAnimations.

private void constructAnimations() {
    // In FBX, animation are not attached to any root.
    // They are implicitly global.
    // So, we need to use hueristics to find which node(s) 
    // an animation is associated with, so we can create the AnimControl
    // in the appropriate location in the scene.
    Map<FbxToJmeTrack, FbxToJmeTrack> pairs = new HashMap<FbxToJmeTrack, FbxToJmeTrack>();
    for (FbxAnimStack stack : animStacks) {
        for (FbxAnimLayer layer : stack.getLayers()) {
            for (FbxAnimCurveNode curveNode : layer.getAnimationCurveNodes()) {
                for (Map.Entry<FbxNode, String> nodePropertyEntry : curveNode.getInfluencedNodeProperties().entrySet()) {
                    FbxToJmeTrack lookupPair = new FbxToJmeTrack();
                    lookupPair.animStack = stack;
                    lookupPair.animLayer = layer;
                    lookupPair.node = nodePropertyEntry.getKey();
                    // Find if this pair is already stored
                    FbxToJmeTrack storedPair = pairs.get(lookupPair);
                    if (storedPair == null) {
                        // If not, store it.
                        storedPair = lookupPair;
                        pairs.put(storedPair, storedPair);
                    }
                    String property = nodePropertyEntry.getValue();
                    storedPair.animCurves.put(property, curveNode);
                }
            }
        }
    }
    // At this point we can construct the animation for all pairs ...
    for (FbxToJmeTrack pair : pairs.values()) {
        String animName = pair.animStack.getName();
        float duration = pair.animStack.getDuration();
        System.out.println("ANIMATION: " + animName + ", duration = " + duration);
        System.out.println("NODE: " + pair.node.getName());
        duration = pair.getDuration();
        if (pair.node instanceof FbxLimbNode) {
            // Find the spatial that has the skeleton for this limb.
            FbxLimbNode limbNode = (FbxLimbNode) pair.node;
            Bone bone = limbNode.getJmeBone();
            Spatial jmeSpatial = limbNode.getSkeletonHolder().getJmeObject();
            Skeleton skeleton = limbNode.getSkeletonHolder().getJmeSkeleton();
            // Get the animation control (create if missing).
            AnimControl animControl = jmeSpatial.getControl(AnimControl.class);
            if (animControl.getSkeleton() != skeleton) {
                throw new UnsupportedOperationException();
            }
            // Get the animation (create if missing).
            Animation anim = animControl.getAnim(animName);
            if (anim == null) {
                anim = new Animation(animName, duration);
                animControl.addAnim(anim);
            }
            // Find the bone index from the spatial's skeleton.
            int boneIndex = skeleton.getBoneIndex(bone);
            // Generate the bone track.
            BoneTrack bt = pair.toJmeBoneTrack(boneIndex, bone.getBindInverseTransform());
            // Add the bone track to the animation.
            anim.addTrack(bt);
        } else {
            // Create the spatial animation
            Animation anim = new Animation(animName, duration);
            anim.setTracks(new Track[] { pair.toJmeSpatialTrack() });
            // Get the animation control (create if missing).
            Spatial jmeSpatial = pair.node.getJmeObject();
            AnimControl animControl = jmeSpatial.getControl(AnimControl.class);
            if (animControl == null) {
                animControl = new AnimControl(null);
                jmeSpatial.addControl(animControl);
            }
            // Add the spatial animation
            animControl.addAnim(anim);
        }
    }
}