SplineMotion.java

/*
  JWildfire - an image and animation processor written in Java 
  Copyright (C) 1995-2013 Andreas Maschke

  This is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser 
  General Public License as published by the Free Software Foundation; either version 2.1 of the 
  License, or (at your option) any later version.
 
  This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License along with this software; 
  if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jwildfire.create.tina.dance.motion;

import org.jwildfire.base.Property;
import org.jwildfire.base.PropertyCategory;
import org.jwildfire.envelope.Envelope;

public class SplineMotion extends Motion {
  private static final long serialVersionUID = 1L;

  @Property(description = "Amplitude", category = PropertyCategory.GENERAL)
  private Envelope envelope = new Envelope(0.0, -20, 1020, -10.0, 10.0);

  @Property(description = "Amplitude", category = PropertyCategory.GENERAL)
  private double amplitude = 1.0;

  @Property(description = "Offset", category = PropertyCategory.GENERAL)
  private double offset = 0.0;

  public double getAmplitude() {
    return amplitude;
  }

  public void setAmplitude(double pAmplitude) {
    amplitude = pAmplitude;
  }

  public double getOffset() {
    return offset;
  }

  public void setOffset(double offset) {
    this.offset = offset;
  }

  @Override
  public double computeValue(short[] pFFTData, long pTime, int pFPS) {
    int frame = computeFrame(pTime, pFPS);
    return envelope.evaluate(frame) * amplitude + offset;
  }

  public Envelope getEnvelope() {
    return envelope;
  }

  public void setEnvelope(Envelope pEnvelope) {
    envelope = pEnvelope;
  }

}