Javascr ipt实现拖动,画线,画箭头,还有一个Js文件可以实现画椭圆等其它得多图形-Javascr ipt achieve Drive, line drawing, painting arrow, js document also a painting can be achieved much more elliptical and other graphics

HTML5 canvas射箭小游戏基于MorphSVGPlugin.min.js和TweenMax.min.js制作，鼠标控制射箭游戏，画一个箭头并发射它-HTML5 canvas Archery game based on MorphSVGPlugin.min.js and TweenMax.min.js, mouse control archery game, draw an arrow and launch it

matlab的画箭头的小程序，支持直接调用，可以画二维点到点的箭头-Draw arrows matlab small program that supports direct calls, you can draw two-dimensional point of the arrow