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ShapeUtils: Fixed area reference.

Mr.doob 9 years ago
parent
commit
24ac597f31
1 changed files with 18 additions and 20 deletions
  1. 18 20
      src/extras/ShapeUtils.js

+ 18 - 20
src/extras/ShapeUtils.js

@@ -4,6 +4,23 @@
 
 THREE.ShapeUtils = {
 
+	// calculate area of the contour polygon
+
+	area: function ( contour ) {
+
+		var n = contour.length;
+		var a = 0.0;
+
+		for ( var p = n - 1, q = 0; q < n; p = q ++ ) {
+
+			a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;
+
+		}
+
+		return a * 0.5;
+
+	},
+
 	triangulate: ( function () {
 
 		/**
@@ -20,25 +37,6 @@ THREE.ShapeUtils = {
 		 *
 		 */
 
-		// calculate area of the contour polygon
-
-		function area( contour ) {
-
-			var n = contour.length;
-			var a = 0.0;
-
-			for ( var p = n - 1, q = 0; q < n; p = q ++ ) {
-
-				a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;
-
-			}
-
-			return a * 0.5;
-
-		}
-
-		THREE.ShapeUtils.area = area;
-
 		function snip( contour, u, v, w, n, verts ) {
 
 			var p;
@@ -107,7 +105,7 @@ THREE.ShapeUtils = {
 
 			var u, v, w;
 
-			if ( area( contour ) > 0.0 ) {
+			if ( THREE.ShapeUtils.area( contour ) > 0.0 ) {
 
 				for ( v = 0; v < n; v ++ ) verts[ v ] = v;