diff --git a/src/pixi/InteractionManager.js b/src/pixi/InteractionManager.js
index 71f320b..c9f62c8 100644
--- a/src/pixi/InteractionManager.js
+++ b/src/pixi/InteractionManager.js
@@ -603,11 +603,14 @@
     // temp fix for if the element is in a non visible
 
     var worldTransform = item.worldTransform, i,
-        a00 = worldTransform.a, a01 = worldTransform.b, a02 = worldTransform.tx,
-        a10 = worldTransform.c, a11 = worldTransform.d, a12 = worldTransform.ty,
-        id = 1 / (a00 * a11 + a01 * -a10),
-        x = a11 * id * global.x + -a01 * id * global.y + (a12 * a01 - a02 * a11) * id,
-        y = a00 * id * global.y + -a10 * id * global.x + (-a12 * a00 + a02 * a10) * id;
+        a = worldTransform.a, b = worldTransform.b,
+        c = worldTransform.c, tx = worldTransform.tx,
+        d = worldTransform.d, ty = worldTransform.ty,
+     
+        id = 1 / (a * d + c * -b),
+        x = d * id * global.x + -c * id * global.y + (ty * c - tx * d) * id,
+        y = a * id * global.y + -b * id * global.x + (-ty * a + tx * b) * id;
+
 
     interactionData.target = item;
 

diff --git a/src/pixi/InteractionManager.js b/src/pixi/InteractionManager.js
index 71f320b..c9f62c8 100644
--- a/src/pixi/InteractionManager.js
+++ b/src/pixi/InteractionManager.js
@@ -603,11 +603,14 @@
     // temp fix for if the element is in a non visible
 
     var worldTransform = item.worldTransform, i,
-        a00 = worldTransform.a, a01 = worldTransform.b, a02 = worldTransform.tx,
-        a10 = worldTransform.c, a11 = worldTransform.d, a12 = worldTransform.ty,
-        id = 1 / (a00 * a11 + a01 * -a10),
-        x = a11 * id * global.x + -a01 * id * global.y + (a12 * a01 - a02 * a11) * id,
-        y = a00 * id * global.y + -a10 * id * global.x + (-a12 * a00 + a02 * a10) * id;
+        a = worldTransform.a, b = worldTransform.b,
+        c = worldTransform.c, tx = worldTransform.tx,
+        d = worldTransform.d, ty = worldTransform.ty,
+     
+        id = 1 / (a * d + c * -b),
+        x = d * id * global.x + -c * id * global.y + (ty * c - tx * d) * id,
+        y = a * id * global.y + -b * id * global.x + (-ty * a + tx * b) * id;
+
 
     interactionData.target = item;
 
diff --git a/src/pixi/geom/Matrix.js b/src/pixi/geom/Matrix.js
index e12d0e8..cd476b2 100644
--- a/src/pixi/geom/Matrix.js
+++ b/src/pixi/geom/Matrix.js
@@ -152,9 +152,10 @@
 {
     newPos = newPos || new PIXI.Point();
 
-    var id = 1 / (this.a * this.d + this.b * -this.c);
-    newPos.x = this.d * id * pos.x - this.b * id * pos.y + (this.ty * this.b - this.tx * this.d) * id;
-    newPos.y = this.a * id * pos.y - this.c * id * pos.x + (this.tx * this.c - this.ty * this.a) * id;
+    var id = 1 / (this.a * this.d + this.c * -this.b);
+     
+    newPos.x = this.d * id * pos.x + -this.c * id * pos.y + (this.ty * this.c - this.tx * this.d) * id;
+    newPos.y = this.a * id * pos.y + -this.b * id * pos.x + (-this.ty * this.a + this.tx * this.b) * id;
 
     return newPos;
 };