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Added easing functions for all-around better animations.

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These are Robert Penner's easing functions (http://robertpenner.com/easing/), refactored by CharlotteGore to only take a t parameter (https://github.com/CharlotteGore/functional-easing). Licensed under BSD (the former) and MIT (the latter).

Related changes:
- Added "AnimatedValue" utility class for updating values used in animations.
- MenuButton now uses AnimatedValue to handle its animations (still linear by default).
- Added in-out-back easings on logo, mods, and various other elements; added out-bounce easings on button menu.

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>
This commit is contained in:
Jeffrey Han
2015-08-05 22:28:14 -05:00
parent 6a4c6a8d37
commit c91146b024
10 changed files with 588 additions and 78 deletions
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9
src/itdelatrisu/opsu/states/GamePauseMenu.java
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@@ -27,6 +27,7 @@ import itdelatrisu.opsu.audio.SoundController;
import itdelatrisu.opsu.audio.SoundEffect;
import itdelatrisu.opsu.ui.MenuButton;
import itdelatrisu.opsu.ui.UI;
import itdelatrisu.opsu.ui.animations.AnimationEquation;
import org.lwjgl.input.Keyboard;
import org.newdawn.slick.Color;
@@ -227,6 +228,14 @@ public class GamePauseMenu extends BasicGameState {
continueButton = new MenuButton(GameImage.PAUSE_CONTINUE.getImage(), width / 2f, height * 0.25f);
retryButton = new MenuButton(GameImage.PAUSE_RETRY.getImage(), width / 2f, height * 0.5f);
backButton = new MenuButton(GameImage.PAUSE_BACK.getImage(), width / 2f, height * 0.75f);
final int buttonAnimationDuration = 300;
continueButton.setHoverAnimationDuration(buttonAnimationDuration);
retryButton.setHoverAnimationDuration(buttonAnimationDuration);
backButton.setHoverAnimationDuration(buttonAnimationDuration);
final AnimationEquation buttonAnimationEquation = AnimationEquation.IN_OUT_BACK;
continueButton.setHoverAnimationEquation(buttonAnimationEquation);
retryButton.setHoverAnimationEquation(buttonAnimationEquation);
backButton.setHoverAnimationEquation(buttonAnimationEquation);
continueButton.setHoverExpand();
retryButton.setHoverExpand();
backButton.setHoverExpand();