Fix Safari bug.

2017-12-18 13:19:49 -08:00
parent 6320379d02
commit 84c1079e50
1 changed files with 1 additions and 1 deletions
--- a/sim/visuals/board.ts
+++ b/sim/visuals/board.ts
@@ -398,7 +398,7 @@ namespace pxsim.visuals {
            let state = ev3board().screenState;

            const bBox = this.layoutView.getBrick().getScreenBBox();
-            if (bBox.width == 0) return;
+            if (!bBox || bBox.width == 0) return;

            const scale = bBox.width / SCREEN_WIDTH;
            this.screenScaledWidth = bBox.width;