Don't forget to join path ends. I noticed that you forgot to close the path. This can result in a slight seam or bump at the start / end of ... ... <看更多>

quadraticCurveTo. quadraticCurveTo() 方法通过使用表示二次贝塞尔曲线的指定控制点，向当前路径添加一个点。 提示：二次贝塞尔曲线需要两个点。 ... <看更多>

quadraticCurveTo. Summary. Ensures there is a subpath for (cpx, cpy), then connects the last point in the subpath to the given point (x, ... ... <看更多>

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