Examples with BezierCurve com.jme3.scene.plugins.blender.curves.BezierCurve used on opensource projects

Example 1 with BezierCurve

use of com.jme3.scene.plugins.blender.curves.BezierCurve in project jmonkeyengine by jMonkeyEngine.

the class CurvesTemporalMesh method loadBezierCurve.

/**
     * The methods loads the bezier curve from the given structure.
     * @param nurbStructure
     *            the structure containing a single curve definition
     * @param materialIndex
     *            the index of this segment's material
     * @throws BlenderFileException
     *             an exception is thrown when problems with reading occur
     */
private void loadBezierCurve(Structure nurbStructure, int materialIndex) throws BlenderFileException {
    Pointer pBezierTriple = (Pointer) nurbStructure.getFieldValue("bezt");
    if (pBezierTriple.isNotNull()) {
        int resolution = ((Number) nurbStructure.getFieldValue("resolu")).intValue();
        boolean cyclic = (((Number) nurbStructure.getFieldValue("flagu")).intValue() & 0x01) != 0;
        boolean smooth = (((Number) nurbStructure.getFieldValue("flag")).intValue() & FLAG_SMOOTH) != 0;
        // creating the curve object
        BezierCurve bezierCurve = new BezierCurve(0, pBezierTriple.fetchData(), 3, blenderContext.getBlenderKey().isFixUpAxis());
        List<Vector3f> controlPoints = bezierCurve.getControlPoints();
        if (cyclic) {
            // copy the first three points at the end
            for (int i = 0; i < 3; ++i) {
                controlPoints.add(controlPoints.get(i));
            }
        }
        // removing the first and last handles
        controlPoints.remove(0);
        controlPoints.remove(controlPoints.size() - 1);
        // creating curve
        Curve curve = new Curve(new Spline(SplineType.Bezier, controlPoints, 0, false), resolution);
        FloatBuffer vertsBuffer = (FloatBuffer) curve.getBuffer(Type.Position).getData();
        beziers.add(new BezierLine(BufferUtils.getVector3Array(vertsBuffer), materialIndex, smooth, cyclic));
    }
}

Example 2 with BezierCurve

use of com.jme3.scene.plugins.blender.curves.BezierCurve in project jmonkeyengine by jMonkeyEngine.

the class AnimationHelper method fromIpoStructure.

/**
     * This method creates an ipo object used for interpolation calculations.
     * 
     * @param ipoStructure
     *            the structure with ipo definition
     * @param blenderContext
     *            the blender context
     * @return the ipo object
     * @throws BlenderFileException
     *             this exception is thrown when the blender file is somehow
     *             corrupted
     */
public Ipo fromIpoStructure(Structure ipoStructure, BlenderContext blenderContext) throws BlenderFileException {
    Structure curvebase = (Structure) ipoStructure.getFieldValue("curve");
    // preparing bezier curves
    Ipo result = null;
    // IpoCurve
    List<Structure> curves = curvebase.evaluateListBase();
    if (curves.size() > 0) {
        BezierCurve[] bezierCurves = new BezierCurve[curves.size()];
        int frame = 0;
        for (Structure curve : curves) {
            Pointer pBezTriple = (Pointer) curve.getFieldValue("bezt");
            List<Structure> bezTriples = pBezTriple.fetchData();
            int type = ((Number) curve.getFieldValue("adrcode")).intValue();
            bezierCurves[frame++] = new BezierCurve(type, bezTriples, 2);
        }
        curves.clear();
        result = new Ipo(bezierCurves, fixUpAxis, blenderContext.getBlenderVersion());
        Long ipoOma = ipoStructure.getOldMemoryAddress();
        blenderContext.addLoadedFeatures(ipoOma, LoadedDataType.STRUCTURE, ipoStructure);
        blenderContext.addLoadedFeatures(ipoOma, LoadedDataType.FEATURE, result);
    }
    return result;
}

Example 3 with BezierCurve

use of com.jme3.scene.plugins.blender.curves.BezierCurve in project jmonkeyengine by jMonkeyEngine.

the class AnimationHelper method getTracks250.

/**
     * This method retuns the bone tracks for animation for blender version 2.50
     * and higher.
     * 
     * @param actionStructure
     *            the structure containing the tracks
     * @param blenderContext
     *            the blender context
     * @return a list of tracks for the specified animation
     * @throws BlenderFileException
     *             an exception is thrown when there are problems with the blend
     *             file
     */
private BlenderAction getTracks250(Structure actionStructure, BlenderContext blenderContext) throws BlenderFileException {
    LOGGER.log(Level.FINE, "Getting tracks!");
    Structure groups = (Structure) actionStructure.getFieldValue("groups");
    // bActionGroup
    List<Structure> actionGroups = groups.evaluateListBase();
    BlenderAction blenderAction = new BlenderAction(actionStructure.getName(), blenderContext.getBlenderKey().getFps());
    int lastFrame = 1;
    for (Structure actionGroup : actionGroups) {
        String name = actionGroup.getFieldValue("name").toString();
        List<Structure> channels = ((Structure) actionGroup.getFieldValue("channels")).evaluateListBase();
        BezierCurve[] bezierCurves = new BezierCurve[channels.size()];
        int channelCounter = 0;
        for (Structure c : channels) {
            int type = this.getCurveType(c, blenderContext);
            Pointer pBezTriple = (Pointer) c.getFieldValue("bezt");
            List<Structure> bezTriples = pBezTriple.fetchData();
            bezierCurves[channelCounter++] = new BezierCurve(type, bezTriples, 2);
        }
        Ipo ipo = new Ipo(bezierCurves, fixUpAxis, blenderContext.getBlenderVersion());
        lastFrame = Math.max(lastFrame, ipo.getLastFrame());
        blenderAction.featuresTracks.put(name, ipo);
    }
    blenderAction.stopFrame = lastFrame;
    return blenderAction;
}