/***********************************************************************
* mt4j Copyright (c) 2008 - 2010 Christopher Ruff, Fraunhofer-Gesellschaft All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
***********************************************************************/
package org.mt4j.sceneManagement.transition;
import org.mt4j.MTApplication;
import org.mt4j.components.visibleComponents.shapes.MTRectangle;
import org.mt4j.sceneManagement.Iscene;
import org.mt4j.util.MTColor;
import org.mt4j.util.animation.Animation;
import org.mt4j.util.animation.AnimationEvent;
import org.mt4j.util.animation.IAnimationListener;
import org.mt4j.util.animation.MultiPurposeInterpolator;
import processing.core.PGraphics;
/**
* The Class FadeTransition.
*
* @author Christopher Ruff
*/
public class FadeTransition extends AbstractTransition {
/** The app. */
private MTApplication app;
/** The finished. */
private boolean finished;
/** The anim. */
private Animation anim;
/** The anim2. */
private Animation anim2;
/** The full screen quad. */
private MTRectangle fullScreenQuad;
/** The scene to draw. */
private Iscene sceneToDraw;
/** The last scene. */
private Iscene lastScene;
/** The next scene. */
private Iscene nextScene;
/** The duration. */
private long duration;
/**
* Instantiates a new fade transition.
*
* @param mtApplication the mt application
*/
public FadeTransition(MTApplication mtApplication) {
this(mtApplication, 2000);
}
/**
* Instantiates a new fade transition.
*
* @param mtApplication the mt application
* @param duration the duration
*/
public FadeTransition(MTApplication mtApplication, long duration) {
super(mtApplication, "Fade Transition");
this.app = mtApplication;
this.duration = duration;
this.setClear(true);
finished = false;
anim2 = new Animation("Fade animation 2", new MultiPurposeInterpolator(255,0, this.duration/2f, 0, 0.8f, 1) , this).addAnimationListener(new IAnimationListener(){
//@Override
public void processAnimationEvent(AnimationEvent ae) {
switch (ae.getId()) {
case AnimationEvent.ANIMATION_STARTED:
case AnimationEvent.ANIMATION_UPDATED:
fullScreenQuad.setFillColor(new MTColor(0,0,0, ae.getAnimation().getInterpolator().getCurrentValue()));
break;
case AnimationEvent.ANIMATION_ENDED:
fullScreenQuad.setFillColor(new MTColor(0,0,0, ae.getAnimation().getInterpolator().getCurrentValue()));
finished = true;
break;
default:
break;
}
}});
anim2.setResetOnFinish(true);
anim = new Animation("Fade animation 1", new MultiPurposeInterpolator(0,255, this.duration/2f, 0, 1, 1) , this).addAnimationListener(new IAnimationListener(){
//@Override
public void processAnimationEvent(AnimationEvent ae) {
switch (ae.getId()) {
case AnimationEvent.ANIMATION_STARTED:
case AnimationEvent.ANIMATION_UPDATED:
fullScreenQuad.setFillColor(new MTColor(0,0,0, ae.getAnimation().getInterpolator().getCurrentValue()));
break;
case AnimationEvent.ANIMATION_ENDED:
sceneToDraw = nextScene;
anim2.start();
break;
default:
break;
}
}});
anim.setResetOnFinish(true);
fullScreenQuad = new MTRectangle(0,0, app.width, app.height, app);
fullScreenQuad.setFillColor(new MTColor(0,0,0,0));
fullScreenQuad.setNoStroke(true);
}
/* (non-Javadoc)
* @see org.mt4j.sceneManagement.transition.ITransition#setup(org.mt4j.sceneManagement.Iscene, org.mt4j.sceneManagement.Iscene)
*/
public void setup(Iscene lastScene, Iscene nextScene) {
this.lastScene = lastScene;
this.nextScene = nextScene;
// sceneToDraw = this.getPreviousScene();
sceneToDraw = this.lastScene;
finished = false;
anim.start();
}
/* (non-Javadoc)
* @see org.mt4j.sceneManagement.AbstractScene#drawAndUpdate(processing.core.PGraphics, long)
*/
@Override
public void drawAndUpdate(PGraphics graphics, long timeDelta) {
super.drawAndUpdate(graphics, timeDelta);
sceneToDraw.drawAndUpdate(graphics, timeDelta);
fullScreenQuad.drawComponent(graphics);
}
/* (non-Javadoc)
* @see org.mt4j.sceneManagement.AbstractScene#shutDown()
*/
@Override
public void shutDown() {
anim.stop();
anim2.stop();
finished = true;
this.lastScene = null;
this.nextScene = null;
}
/* (non-Javadoc)
* @see org.mt4j.sceneManagement.transition.ITransition#isFinished()
*/
public boolean isFinished() {
return finished;
}
}