You can also control when frames are drawn using noLoop and draw.
此外,还可以使用noLoop和draw 来控制在何时绘制画面。
When you draw on one you can see what is drawn appear on the other.
当你在一个上绘制时你能看到你所绘制的东西出现在另一个上面。
Let us draw a snake, first drawn people to drink.
让我们来画蛇,先画好的人喝。
You do not stop draw and the painting will be drawn forever.
一张画得好长时间,你要不停,这张画可以永远画下去。
You do not stop draw and the painting will be drawn forever.
一张画得好长时间,你要不停,这张画可以永远画下去。
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