/*******************************************************************************
 * 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 com.jme.math.Vector3f;
import com.jme.scene.Node;


public class ChanneledPositionInterpolator implements Interpolator {
    private ScalarInterpolator xInterpolator;
    private ScalarInterpolator yInterpolator;
    private ScalarInterpolator zInterpolator;

    Node node;
    
    public ChanneledPositionInterpolator(ScalarInterpolator xInterpolator, ScalarInterpolator yInterpolator, ScalarInterpolator zInterpolator) {
        this.xInterpolator = xInterpolator;
        this.yInterpolator = yInterpolator;
        this.zInterpolator = zInterpolator;
    }
    
    public void interpolate(double delta) {
        double x = xInterpolator.evaluate(delta);
        double y = yInterpolator.evaluate(delta);
        double z = zInterpolator.evaluate(delta);

        node.setLocalTranslation(new Vector3f((float)x,(float)y,(float)z));
    }
    
    public void setTarget(Object target) {
    	node = (Node)target;
    }

}