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The JGoodies Animation framework enables you to produce sophisticated
time-based real-time animations in Java. It has been designed
for a seemless, flexible and powerful integration with Java,
ease-of-use and a small library size.
The newest version!
/*
* Copyright (c) 2001-2012 JGoodies Karsten Lentzsch. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* o Neither the name of JGoodies Karsten Lentzsch nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jgoodies.animation.swing.animations;
import com.jgoodies.animation.AbstractAnimation;
import com.jgoodies.animation.AnimationFunction;
import com.jgoodies.animation.AnimationFunctions;
import com.jgoodies.animation.swing.components.FanComponent;
/**
* An animation that rotates a fan that consists of a set
* of translucent sectors.
*
* @author Karsten Lentzsch
* @version $Revision: 1.7 $
*
* @see com.jgoodies.animation.swing.components.FanComponent
* @see com.jgoodies.animation.renderer.FanRenderer
*/
public final class FanAnimation extends AbstractAnimation {
public static final double DEFAULT_CLOCKWISE_ROTATION = 0.01; // rotations per second
public static final double DEFAULT_ANTICLOCKWISE_ROTATION = -0.02;
private final FanComponent fan;
private final AnimationFunction rotationFunction;
/**
* Constructs an animation that rotates a fan using the given fan component,
* duration and rotation animation function.
*
* @param fan the fan component animation target
* @param duration the animation duration
* @param rotationFunction the rotation animation function
*/
public FanAnimation(FanComponent fan, long duration, AnimationFunction rotationFunction) {
super(duration);
this.fan = fan;
this.rotationFunction = rotationFunction != null
? rotationFunction
: defaultRotationFunction(duration);
}
/**
* Creates and answers the default fan animation.
*
* @param fan the fan component animation target
* @param duration the animation duration
* @return a default fan animation
*/
public static FanAnimation defaultFan(FanComponent fan, long duration) {
return new FanAnimation(fan, duration, null);
}
/**
* Creates and answers an animation function for the default rotation.
*
* @param duration the animation duration
* @return an animation function for the default rotation
*/
public static AnimationFunction defaultRotationFunction(long duration) {
return AnimationFunctions.fromTo(duration, 0f, (float) (Math.PI * 2.0f));
}
/**
* Applies the effect: sets the time-based rotation.
*
* @param time the render time
*/
@Override
protected void applyEffect(long time) {
fan.setRotation(rotationFunction.valueAt(time));
}
}