add spine.Space.tween

flyover · Dec 24, 2015 · 715e78b · 715e78b
1 parent dc45737
commit 715e78b
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/spine.js b/spine.js
@@ -987,6 +987,22 @@ spine.Space.untransform = function (space, v, out)
 	return out;
 }
 
+/**
+ * @return {spine.Space} 
+ * @param {spine.Space} a 
+ * @param {spine.Space} b 
+ * @param {number} tween
+ * @param {spine.Space=} out 
+ */
+spine.Space.tween = function (a, b, tween, out)
+{
+	out.position.x = spine.tween(a.position.x, b.position.x, tween);
+	out.position.y = spine.tween(a.position.y, b.position.y, tween);
+	out.rotation.rad = spine.tweenAngle(a.rotation.rad, b.rotation.rad, tween);
+	out.scale.x = spine.tween(a.scale.x, b.scale.x, tween);
+	out.scale.y = spine.tween(a.scale.y, b.scale.y, tween);
+	return out;
+}
 /**
  * @constructor
  */