Removed 4 multiplies with Mario's clever optimization.

diff --git a/gdx/src/com/badlogic/gdx/graphics/Sprite.java b/gdx/src/com/badlogic/gdx/graphics/Sprite.java
index faed565..c93d767 100644 (file)
--- a/gdx/src/com/badlogic/gdx/graphics/Sprite.java
+++ b/gdx/src/com/badlogic/gdx/graphics/Sprite.java
@@ -273,8 +273,8 @@ public class Sprite {
                        vertices[X3] = localX2 * cos - localY2 * sin + worldOriginX;\r
                        vertices[Y3] = localY2 * cos + localX2 * sin + worldOriginY;\r
 \r
-                       vertices[X4] = localX2 * cos - localY * sin + worldOriginX;\r
-                       vertices[Y4] = localY * cos + localX2 * sin + worldOriginY;\r
+                       vertices[X4] = vertices[X1] + (vertices[X3] - vertices[X2]);\r
+                       vertices[Y4] = vertices[Y3] - (vertices[Y2] - vertices[Y1]);\r
                }\r
                System.arraycopy(vertices, 0, out, offset, 20);\r
        }\r