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