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Added animation loop capabilities to MenuButton.

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Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>
This commit is contained in:
Jeffrey Han 2015-08-12 19:03:50 -05:00
parent a4898d01a7
commit 52e973caf8
1 changed files with 38 additions and 0 deletions
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38
src/itdelatrisu/opsu/ui/MenuButton.java
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@ -18,6 +18,7 @@
package itdelatrisu.opsu.ui; package itdelatrisu.opsu.ui;
import itdelatrisu.opsu.Utils;
import itdelatrisu.opsu.ui.animations.AnimatedValue; import itdelatrisu.opsu.ui.animations.AnimatedValue;
import itdelatrisu.opsu.ui.animations.AnimationEquation; import itdelatrisu.opsu.ui.animations.AnimationEquation;
@ -70,6 +71,9 @@ public class MenuButton {
/** The hover animation equation. */ /** The hover animation equation. */
private AnimationEquation animationEqn = AnimationEquation.LINEAR; private AnimationEquation animationEqn = AnimationEquation.LINEAR;
/** Whether the animation is advancing forwards (if advancing automatically). */
private boolean autoAnimationForward = true;
/** The scale of the button. */ /** The scale of the button. */
private AnimatedValue scale; private AnimatedValue scale;
@ -291,6 +295,7 @@ public class MenuButton {
alpha.setTime(0); alpha.setTime(0);
if ((hoverEffect & EFFECT_ROTATE) > 0) if ((hoverEffect & EFFECT_ROTATE) > 0)
angle.setTime(0); angle.setTime(0);
autoAnimationForward = true;
} }
/** /**
@ -301,6 +306,7 @@ public class MenuButton {
this.scale = null; this.scale = null;
this.alpha = null; this.alpha = null;
this.angle = null; this.angle = null;
autoAnimationForward = true;
} }
/** /**
@ -438,6 +444,38 @@ public class MenuButton {
angle.update(d); angle.update(d);
} }
/**
* Automatically advances the hover animation in a loop.
* @param delta the delta interval
* @param reverseAtEnd whether to reverse or restart the animation upon reaching the end
*/
public void autoHoverUpdate(int delta, boolean reverseAtEnd) {
if (hoverEffect == 0)
return;
int time = ((hoverEffect & EFFECT_EXPAND) > 0) ? scale.getTime() :
((hoverEffect & EFFECT_FADE) > 0) ? alpha.getTime() :
((hoverEffect & EFFECT_ROTATE) > 0) ? angle.getTime() : -1;
if (time == -1)
return;
int d = delta * (autoAnimationForward ? 1 : -1);
if (Utils.getBoundedValue(time, d, 0, animationDuration) == time) {
if (reverseAtEnd)
autoAnimationForward = !autoAnimationForward;
else {
if ((hoverEffect & EFFECT_EXPAND) > 0)
scale.setTime(0);
if ((hoverEffect & EFFECT_FADE) > 0)
alpha.setTime(0);
if ((hoverEffect & EFFECT_ROTATE) > 0)
angle.setTime(0);
}
}
hoverUpdate(delta, autoAnimationForward);
}
/** /**
* Set x and y radius of the button based on current scale factor * Set x and y radius of the button based on current scale factor
* and expansion direction. * and expansion direction.