Update 2021-05-28-erasing.md

ShaMan123 · Jun 18, 2021 · 4de3608 · 4de3608
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diff --git a/posts/demos/_posts/2021-05-28-erasing.md b/posts/demos/_posts/2021-05-28-erasing.md
@@ -111,6 +111,7 @@ if(eraser) {
 To achieve erasing, `backgroundColor | overlayColor` must be fabric objects (see **Erasing and the `clipPath`**).
 Because of this, the mixin extends `fabric.StaticCanvas`. 
 This may cause issues when resizing the canvas. You might need to resize `backgroundColor | overlayColor` as well.
+In addition, if you do not want `backgroundColor | overlayColor` to be affected by canvas transforms set canvas' `backgroundVpt | overlayVpt` property to `false`.
 
 ```js
 canvas.setOverlayColor('rgba(0,0,255,0.4)');