1 files changed, 53 insertions, 0 deletions
diff --git a/java/api/src/aurelienribon/tweenengine/TweenUtils.java b/java/api/src/aurelienribon/tweenengine/TweenUtils.java
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+++ b/java/api/src/aurelienribon/tweenengine/TweenUtils.java
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+package aurelienribon.tweenengine;
+
+import aurelienribon.tweenengine.equations.Back;
+import aurelienribon.tweenengine.equations.Bounce;
+import aurelienribon.tweenengine.equations.Circ;
+import aurelienribon.tweenengine.equations.Cubic;
+import aurelienribon.tweenengine.equations.Elastic;
+import aurelienribon.tweenengine.equations.Expo;
+import aurelienribon.tweenengine.equations.Linear;
+import aurelienribon.tweenengine.equations.Quad;
+import aurelienribon.tweenengine.equations.Quart;
+import aurelienribon.tweenengine.equations.Quint;
+import aurelienribon.tweenengine.equations.Sine;
+
+/**
+ * Collection of miscellaneous utilities.
+ *
+ * @author Aurelien Ribon | http://www.aurelienribon.com/
+ */
+public class TweenUtils {
+	private static TweenEquation[] easings;
+
+	/**
+	 * Takes an easing name and gives you the corresponding TweenEquation.
+	 * You probably won't need this, but tools will love that.
+	 *
+	 * @param easingName The name of an easing, like "Quad.INOUT".
+	 * @return The parsed equation, or null if there is no match.
+	 */
+	public static TweenEquation parseEasing(String easingName) {
+		if (easings == null) {
+			easings = new TweenEquation[] {Linear.INOUT,
+				Quad.IN, Quad.OUT, Quad.INOUT,
+				Cubic.IN, Cubic.OUT, Cubic.INOUT,
+				Quart.IN, Quart.OUT, Quart.INOUT,
+				Quint.IN, Quint.OUT, Quint.INOUT,
+				Circ.IN, Circ.OUT, Circ.INOUT,
+				Sine.IN, Sine.OUT, Sine.INOUT,
+				Expo.IN, Expo.OUT, Expo.INOUT,
+				Back.IN, Back.OUT, Back.INOUT,
+				Bounce.IN, Bounce.OUT, Bounce.INOUT,
+				Elastic.IN, Elastic.OUT, Elastic.INOUT
+			};
+		}
+
+		for (int i=0; i<easings.length; i++) {
+			if (easingName.equals(easings[i].toString()))
+				return easings[i];
+		}
+
+		return null;
+	}
+}