Box3: Reuse Sphere.center in getBoundingSphere(). See 5578c05

mrdoob · mrdoob · commit d2399c7b8c7a · 2016-09-14T14:50:02.000-07:00
diff --git a/src/math/Box3.js b/src/math/Box3.js
@@ -394,7 +394,8 @@ Box3.prototype = {
 
 			var result = optionalTarget || new Sphere();
 
-			result.center = this.getCenter();
+			this.getCenter( result.center );
+
 			result.radius = this.size( v1 ).length() * 0.5;
 
 			return result;
