我已制定多条线路，我怎么开始和结束坐标？ [英] I have drawn multiple lines, how do I get the beginning and ending coordinates?

问题描述

我有很大的可滚动的图像和我画的帆布使用多行。我想获得的起点和该特定线，这是由用户点击的结束坐标（x，y）的。我该怎么做？

I have large scrollable image and I am drawing multiple lines using canvas. I want to get the starting and ending coordinates (x,y) of that specific line, which is clicked by the user. How can I do that?

推荐答案

您应该存储坐标绘制，并检测与线碰撞。

You should store coordinates to draw and also detect collision with the lines.

这篇关于我已制定多条线路，我怎么开始和结束坐标？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！