vc-drawings下的polygon组件，鼠标在移动过程中不允许线段有交叉，这个要怎么扩展handleMouseMove事件呢？ #526
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也是drawEvt事件里面去判断，drawEvt的传参你输出来看一下。 |
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若有交叉，如何动态更新对应的 drawTip？并且在界面上展示最新的drawTips呢？ |
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可以更改某条线的颜色为某种单独的颜色吗？区别于整个polygon线条的颜色 |
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可以改哈，用ref拿到renderDatas. |
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就像这种一样，如果有交叉的话，会有drawTip，不允许用户操作等等
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