Box3: Return 0,0,0 center if empty. See #9675

562ac3d4 · Mr.doob · f6df06c2 · 562ac3d4
隐藏空白更改
内联并排

Showing with 1 addition and 1 deletion

src/math/Box3.js src/math/Box3.js +1 -1

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--- a/src/math/Box3.js
+++ b/src/math/Box3.js
@@ -204,7 +204,7 @@ Box3.prototype = {
 	center: function ( optionalTarget ) {

 		var result = optionalTarget || new Vector3();
-		return result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );
+		return this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );

 	},