代码片段： const canvas = document.getElementById("canvas"); const ctx = canvas.getContext("2d"); const cw = (canvas.width = 500); const ch = (canvas.height = 400); const rad = Math.PI / 180; ctx.lineWidth = 0.5; ctx.lineJoin = "round";

HTML5绘制3D三角形花圈动画特效是一款三角形花圈动画，支持鼠标拖到控制旋转方向。