设置多边形偏移

时间 2020-12-25

原文原文链接

<html> <head>11</head> <body> <canvas id = "test" width = "200" height = "200">canvas </canvas> <script src = "webgltest/cuon-matrix.js"></script> <script > //顶点着色器 var vertexShaderSource = 'attri