WebGLRenderingContext.clearColor()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
WebGL API 的 WebGLRenderingContext.clearColor()
方法用于设置清空颜色缓冲时的颜色值。
这指定调用 clear()
方法时使用的颜色值。这些值在 0 到 1 的范围间。
句法
void gl.clearColor(red, green, blue, alpha);
参数
返回值
无。
示例
js
gl.clearColor(1, 0.5, 0.5, 3);
要获取当前的清除颜色,传入 COLOR_CLEAR_VALUE
常量,返回 Float32Array
。
js
gl.getParameter(gl.COLOR_CLEAR_VALUE);
// Float32Array[1, 0.5, 0.5, 1]
规范
Specification |
---|
WebGL Specification # 5.14.3 |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
clearColor |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.