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以绘制左上部分举例: 注释掉的是原本的代码 我个人理解是按x轴的中心去绘制,然后垂直下滑到y轴的中心点。因为x和y的边长不一样。 但是代码的两个点的y,都看不明白是啥意思。并不是在轴的中心点。
sample:
var path = Path().apply { moveTo(topLef.x, topLef.y) lineTo(topRight.x, topRight.y) lineTo( topRight.x / 2 + topLef.x / 2, // topLef.y + topRight.x / 2 + topLef.x / 2 - topLef.x topLef.y + topRight.x / 2 - topLef.x / 2 ) lineTo( topRight.x / 2 + topLef.x / 2, // bottomLeft.y - topRight.x / 2 + topLef.x / 2 bottomLeft.y / 2 + topLef.y / 2, ) lineTo(bottomLeft.x, bottomLeft.y) close() } drawPath(path, Color.Black.copy(0.5f))
The text was updated successfully, but these errors were encountered:
p1 p2 两个点不需要是y轴的中心。这块为了画屏幕的边框的阴影效果,屏幕是长方形的所以两条斜线在x轴无法闭环,拉一条y线闭环而已,没有特别用意。
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以绘制左上部分举例:
注释掉的是原本的代码
我个人理解是按x轴的中心去绘制,然后垂直下滑到y轴的中心点。因为x和y的边长不一样。
但是代码的两个点的y,都看不明白是啥意思。并不是在轴的中心点。
sample:
The text was updated successfully, but these errors were encountered: