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估值器 #2

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guxiaonian opened this issue Jul 25, 2017 · 1 comment
Open

估值器 #2

guxiaonian opened this issue Jul 25, 2017 · 1 comment

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@guxiaonian
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里面的起点和终点是鱼的头部和终点，控制点是点击的位置和鱼中心的位置吗
@Jichensheng
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Jichensheng commented Aug 1, 2017 •
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起点和中点是鱼的身体重心处和点击点，三阶贝塞尔的两个控制点分别是鱼头圆心点和夹角中点。但是平移不是平移的鱼，而是平移的ImageView，而ImageView的setX，setY方法是相对于ImageView左上角的，所以需要把计算好的贝塞尔曲线做一个平移，让贝塞尔曲线的起点和ImageView重合

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@Jichensheng @guxiaonian