Merge pull request #7580 from satori99/dev

Change .drawcalls to .groups in WireframeHelper

src/extras/geometries/WireframeGeometry.js

@@ -77,10 +77,10 @@ THREE.WireframeGeometry = function ( geometry ) {
 
 			var indices = geometry.index.array;
 			var vertices = geometry.attributes.position;
-			var drawcalls = geometry.drawcalls;
+			var groups = geometry.groups;
 			var numEdges = 0;
 
-			if ( drawcalls.length === 0 ) {
+			if ( groups.length === 0 ) {
 
 				geometry.addGroup( 0, indices.length );
 
@@ -89,12 +89,12 @@ THREE.WireframeGeometry = function ( geometry ) {
 			// allocate maximal size
 			var edges = new Uint32Array( 2 * indices.length );
 
-			for ( var o = 0, ol = drawcalls.length; o < ol; ++ o ) {
+			for ( var o = 0, ol = groups.length; o < ol; ++ o ) {
 
-				var drawcall = drawcalls[ o ];
+				var group = groups[ o ];
 
-				var start = drawcall.start;
-				var count = drawcall.count;
+				var start = group.start;
+				var count = group.count;
 
 				for ( var i = start, il = start + count; i < il; i += 3 ) {