Adding buttons and controls on HTML5 canvas

问题

I'm using the three.js 3D engine. How can I add UI buttons on my WebGL canvas?

回答1:

Use CSS to absolute positioning HTML elements over <canvas>.

<canvas> is just like all other HTML elements and the same tricks work on it.

http://css-tricks.com/absolute-positioning-inside-relative-positioning/

来源：https://stackoverflow.com/questions/12343053/adding-buttons-and-controls-on-html5-canvas