标签： webgl ar.js
https://www.teamlab.art/w/sketchtown/
此网站显示了一个名为sketchtown的活动。它允许孩子们绘制图片并将其作为纹理立即应用于3D对象。
It seems that the 4 markers could help to adjust the angle of the picture. Therefore even if you scan the picture slantwise you can still load the texture correctly
我该如何实现？
