rem: this.vertices.each(function(node, i) { if (i < 2) { return; } var points = [firstVertex, node.prev.data, node.data];   triangles.push(Polygon.create(points, Plane.fromPoints(points) || plane)); }); 
add: this.updateTrianglePlanes(function(plane) { return plane.rotate(t, line); }); 
context:     this.vertices.each(function(node, i) {      if (i < 2) { return; }      var points = [firstVertex, node.prev.data, node.data];      // If the vertices lie on a straigh line, give the polygon's own plane. If the      // element has no area, it doesn't matter which way its normal faces.      triangles.push(Polygon.create(points, Plane.fromPoints(points) || plane));    });
meta: 3877	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3877/88af0516a961fea263ffc0d016435fdbb11d55cf/polygon.js/buggy/src/polygon.js