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shape每一条边的middle point 拉伸时产生偏移问题 #26

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justJokee opened this issue Jul 6, 2021 · 3 comments
Closed

shape每一条边的middle point 拉伸时产生偏移问题 #26

justJokee opened this issue Jul 6, 2021 · 3 comments
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@justJokee
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初始化如下图：

23632A9AB3B0BA1DF0FB38BCD083078F

元素top初始值是175，如图所示bottom拖拽一下，按理来说top值应该始终为175不变，但是有时候会产生正负几个像素的偏差（如果一次没出现，就让元素失焦再选中，重复几次），经测试其它点均有此问题

9C421EB84CA339ED4682AA3EE5975673

这样就会给人呈现元素突然位移抖一下的现象，是否各种矩阵计算导致了center值或者height值出现了偏差？
justJokee added a commit to justJokee/visual-drag-demo that referenced this issue Jul 6, 2021
@justJokee
fix: shape scale bug woai3c#26 (comment)
94f91c7
@justJokee justJokee mentioned this issue Jul 6, 2021
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@justJokee
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晚上看了一下，是因为shape上的point点也是有尺寸的，直接用鼠标位置计算被拖动元素的点的position是不准确的，因为此时鼠标可能位于point点的任意位置，因此要计算差值，以确保点位于元素自身上，已提交pr

@HarryLee-CN
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嚯，非常细节，我试了一下确实可以复现

@ggymm ggymm mentioned this issue Jul 9, 2021
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woai3c commented Jul 11, 2021

#27

@woai3c woai3c closed this as completed Jul 11, 2021
@woai3c woai3c added the bug Something isn't working label Aug 31, 2022
leoyongyuan pushed a commit to leoyongyuan/visual-drag-demo that referenced this issue Oct 29, 2022
@justJokee
fix: shape scale bug woai3c#26 (comment)
ae21173
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@woai3c @HarryLee-CN @justJokee