/*******************************************************************************
 * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.proconf.g3d.animation;

import javax.vecmath.Quat4d;

import org.simantics.proconf.g3d.base.VecmathJmeTools;


import com.jme.scene.Node;

import org.simantics.proconf.animation.curve.SlerpCurve;


public class SlerpInterpolator implements Interpolator{
    private SlerpCurve curve;
    
    //private TransformGroup group;
    //private Transform3D transform;
    private Node node = null;
    
    public SlerpInterpolator(SlerpCurve curve) {
        this.curve = curve;
        //transform = new Transform3D();
    }
    
    public void interpolate(double delta) {
       Quat4d q = curve.evaluate(delta);
       //transform.set(new Quat4f(q));
       //group.setTransform(transform);
       node.setLocalRotation(VecmathJmeTools.get(q));
    }
    
    public void setTarget(Object target) {
        //group = (TransformGroup)target;
    	node = (Node)target;
    }
    
}