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List:       osflash-sandy
Subject:    [Sandy] [sandy commit] r912 -
From:       codesite-noreply () google ! com (codesite-noreply at google ! com)
Date:       2009-02-14 22:38:15
Message-ID: 001636283b54fb52420462e89b69 () google ! com
[Download RAW message or body]

Author: makc.the.great
Date: Sat Feb 14 14:37:48 2009
New Revision: 912

Modified:
    trunk/sandy/as3/trunk/src/sandy/primitive/MD2.as

Log:
bugfix + new method

Modified: trunk/sandy/as3/trunk/src/sandy/primitive/MD2.as
==============================================================================
--- trunk/sandy/as3/trunk/src/sandy/primitive/MD2.as	(original)
+++ trunk/sandy/as3/trunk/src/sandy/primitive/MD2.as	Sat Feb 14 14:37:48  
2009
@@ -205,6 +205,8 @@
  				w.crossWith (v); w.normalize ();
  				l_oPoly.normal.x = w.x; l_oPoly.normal.y = w.y; l_oPoly.normal.z = w.z;
  			}
+
+			changed = true;
  		}

  		/**
@@ -213,14 +215,47 @@
  		*
  		* @return number of created frame.
  		*/
-		public function appendFrameCopy (frameNumber:int):int
+		public function appendFrameCopy (sourceFrame:int):int
  		{
-			var f:Array = vertices [frameNumber] as Array;
+			var f:Array = vertices [sourceFrame] as Array;
  			if (f == null) {
  				return -1;
  			} else {
  				return vertices.push (f.slice ()) -1;
  			}
+		}
+
+		/**
+		* Replaces specified frame with other key or interpolated frame.
+		*/
+		public function replaceFrame (destFrame:int, sourceFrame:Number):void
+		{
+			var f0:Array = [];
+
+			// interpolation frames
+			var f1:Array = vertices [int (sourceFrame) % num_frames];
+			var f2:Array = vertices [(int (sourceFrame) + 1) % num_frames];
+
+			// interpolation coef-s
+			var c2:Number = sourceFrame - int (sourceFrame), c1:Number = 1 - c2;
+
+			// loop through vertices
+			for (var i:int = 0; i < num_vertices; i++)
+			{
+				var v0:Point3D = new Point3D;
+				var v1:Point3D = Point3D (f1 [i]);
+				var v2:Point3D = Point3D (f2 [i]);
+
+				// interpolate
+				v0.x = v1.x * c1 + v2.x * c2;
+				v0.y = v1.y * c1 + v2.y * c2;
+				v0.z = v1.z * c1 + v2.z * c2;
+
+				// save
+				f0 [i] = v0;
+			}
+
+			vertices [destFrame] = f0;
  		}

  		// animation "time" (frame number)


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