Update to explicitly check for undefined box value, add PR ID for dis…

…cussion reference.
mrdoob · Jan 11, 2017 · 9c88b59 · 9c88b59
1 parent 2cde08b
commit 9c88b59
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/math/Sphere.js b/src/math/Sphere.js
@@ -32,7 +32,7 @@ Sphere.prototype = {
 
 		return function setFromPoints( points, optionalCenter ) {
 
-			box = box || new Box3();
+			if ( box === undefined ) box = new Box3(); // see #10547
 
 			var center = this.center;