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package aurelienribon.tweenengine;
/**
* TweenCallbacks are used to trigger actions at some specific times. They are
* used in both Tweens and Timelines. The moment when the callback is
* triggered depends on its registered triggers:
* <p/>
*
* <b>BEGIN</b>: right after the delay (if any)<br/>
* <b>START</b>: at each iteration beginning<br/>
* <b>END</b>: at each iteration ending, before the repeat delay<br/>
* <b>COMPLETE</b>: at last END event<br/>
* <b>BACK_BEGIN</b>: at the beginning of the first backward iteration<br/>
* <b>BACK_START</b>: at each backward iteration beginning, after the repeat delay<br/>
* <b>BACK_END</b>: at each backward iteration ending<br/>
* <b>BACK_COMPLETE</b>: at last BACK_END event
* <p/>
*
* <pre> {@code
* forward : BEGIN COMPLETE
* forward : START END START END START END
* |--------------[XXXXXXXXXX]------[XXXXXXXXXX]------[XXXXXXXXXX]
* backward: bEND bSTART bEND bSTART bEND bSTART
* backward: bCOMPLETE bBEGIN
* }</pre>
*
* @see Tween
* @see Timeline
* @author Aurelien Ribon | http://www.aurelienribon.com/
*/
public interface TweenCallback {
public static final int BEGIN = 0x01;
public static final int START = 0x02;
public static final int END = 0x04;
public static final int COMPLETE = 0x08;
public static final int BACK_BEGIN = 0x10;
public static final int BACK_START = 0x20;
public static final int BACK_END = 0x40;
public static final int BACK_COMPLETE = 0x80;
public static final int ANY_FORWARD = 0x0F;
public static final int ANY_BACKWARD = 0xF0;
public static final int ANY = 0xFF;
public void onEvent(int type, BaseTween<?> source);
}
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