diff --git a/src/com/adobe/utils/PerspectiveMatrix3D.as b/src/com/adobe/utils/PerspectiveMatrix3D.as
index aa920a7..a869e4a 100644
--- a/src/com/adobe/utils/PerspectiveMatrix3D.as
+++ b/src/com/adobe/utils/PerspectiveMatrix3D.as
@@ -186,44 +186,44 @@ package com.adobe.utils
 			]));
 		}
 
-		public function orthoRH(width:Number,
-								height:Number,
-								zNear:Number,
-								zFar:Number):void {
-			this.copyRawDataFrom(Vector.<Number>([
-				2.0/width, 0.0, 0.0, 0.0,
-				0.0, 2.0/height, 0.0, 0.0,
-				0.0, 0.0, 1.0/(zNear-zNear), 0.0,
-				0.0, 0.0, zNear/(zNear-zFar), 1.0
-			]));
+		public function orthoRH(width:Number,
+								height:Number,
+								zNear:Number,
+								zFar:Number):void {
+			this.copyRawDataFrom(Vector.<Number>([
+				2.0/width, 0.0, 0.0, 0.0,
+				0.0, 2.0/height, 0.0, 0.0,
+				0.0, 0.0, 1.0/(zNear-zFar), 0.0,
+				0.0, 0.0, zNear/(zNear-zFar), 1.0
+			]));
 		}
 
-		public function orthoOffCenterLH(left:Number, 
-										 right:Number,
-										 bottom:Number,
-									     top:Number,
-										 zNear:Number, 
-										 zFar:Number):void {
-			this.copyRawDataFrom(Vector.<Number>([
-				2.0/(right-left), 0.0, 0.0, 0.0,
-				0.0, 2.0*zNear/(top-bottom), 0.0, 0.0,
-				-1.0-2.0*left/(right-left), 1.0+2.0*top/(bottom-top), 1.0/(zFar-zNear), 0.0,
-				0.0, 0.0, zNear/(zNear-zFar), 1.0
-			]));
+		public function orthoOffCenterLH(left:Number, 
+										 right:Number,
+										 bottom:Number,
+									     top:Number,
+										 zNear:Number, 
+										 zFar:Number):void {
+			this.copyRawDataFrom(Vector.<Number>([
+				2.0/(right-left), 0.0, 0.0, 0.0,
+				0.0, 2.0/(top-bottom), 0.0, 0.0,
+				0.0, 0.0, 1.0/(zFar-zNear), 0.0,
+				(left+right)/(left-right), (bottom+top)/(bottom-top), zNear/(zNear-zFar), 1.0
+			]));
 		}
 
-		public function orthoOffCenterRH(left:Number, 
-										 right:Number,
-										 bottom:Number,
-										 top:Number,
-										 zNear:Number, 
-										 zFar:Number):void {
-			this.copyRawDataFrom(Vector.<Number>([
-				2.0/(right-left), 0.0, 0.0, 0.0,
-				0.0, 2.0*zNear/(top-bottom), 0.0, 0.0,
-				-1.0-2.0*left/(right-left), 1.0+2.0*top/(bottom-top), 1.0/(zNear-zFar), 0.0,
-				0.0, 0.0, zNear/(zNear-zFar), 1.0
-			]));
+		public function orthoOffCenterRH(left:Number, 
+										 right:Number,
+										 bottom:Number,
+										 top:Number,
+										 zNear:Number, 
+										 zFar:Number):void {
+			this.copyRawDataFrom(Vector.<Number>([
+				2.0/(right-left), 0.0, 0.0, 0.0,
+				0.0, 2.0/(top-bottom), 0.0, 0.0,
+				0.0, 0.0, 1.0/(zNear-zFar), 0.0,
+				(left+right)/(left-right), (bottom+top)/(bottom-top), zNear/(zNear-zFar), 1.0
+			]));
 		}
 
 		private var _x:Vector3D = new Vector3D();