org.jtrfp.trcl.beh.phy.RotatingObjectBehavior.java Source code

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Here is the source code for org.jtrfp.trcl.beh.phy.RotatingObjectBehavior.java

Source

/*******************************************************************************
 * This file is part of TERMINAL RECALL
 * Copyright (c) 2012-2014 Chuck Ritola
 * Part of the jTRFP.org project
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     chuck - initial API and implementation
 ******************************************************************************/
package org.jtrfp.trcl.beh.phy;

import org.apache.commons.math3.geometry.euclidean.threed.Rotation;
import org.apache.commons.math3.geometry.euclidean.threed.Vector3D;
import org.jtrfp.trcl.AttribAnimator;
import org.jtrfp.trcl.IndirectDouble;
import org.jtrfp.trcl.Sequencer;
import org.jtrfp.trcl.beh.Behavior;

public class RotatingObjectBehavior extends Behavior {
    private final IndirectDouble angle = new IndirectDouble();
    private final Sequencer seq;
    private final AttribAnimator angleAnimator;
    private final Vector3D rotationAxisTop, originalHeading, originalTop;

    public RotatingObjectBehavior(Vector3D rotationAxisTop, Vector3D originalHeading, Vector3D originalTop,
            int periodLengthMsec, double phaseShift) {//TODO: Coding style, cleanup
        final boolean reverse = periodLengthMsec < 0;
        if (reverse)
            periodLengthMsec *= -1;
        seq = new Sequencer(periodLengthMsec, 2, true);
        final double[] rotationRange = reverse ? new double[] { 2. * Math.PI + phaseShift, 0 + phaseShift }
                : new double[] { 0 + phaseShift, 2. * Math.PI + phaseShift };
        angleAnimator = new AttribAnimator(angle, seq, rotationRange, false);
        this.rotationAxisTop = rotationAxisTop;
        this.originalHeading = originalHeading;
        this.originalTop = originalTop;
    }

    @Override
    protected void _tick(long tickTimeInMillis) {
        angleAnimator.updateAnimation();
        super.getParent().setTop(new Rotation(rotationAxisTop, angle.get()).applyTo(originalTop));
        super.getParent().setHeading(new Rotation(rotationAxisTop, angle.get()).applyTo(originalHeading));
    }

}//end RotatingObjectBehavior