我们的志愿者还没有将这篇文章翻译为 中文 (简体)。加入我们帮助完成翻译！
The WebGLRenderingContext.frontFace() method of the WebGL API specifies whether polygons are front- or back-facing by setting a winding orientation.
Syntax
void gl.frontFace(mode);
Parameters
- mode
- Sets the winding orientation. The default value is
gl.CCW. Possible values:gl.CW: Clock-wise winding.gl.CCW: Counter-clock-wise winding.
Return value
None.
Examples
gl.frontFace(gl.CW);
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebGL 1.0 The definition of 'frontFace' in that specification. |
Recommendation | Initial definition. |
| OpenGL ES 2.0 The definition of 'glFrontFace' in that specification. |
Standard | Man page of the OpenGL API. |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | 9 | 4.0 (2.0) | 11 | 12 | 5.1 |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | ? | 25 | (Yes) | ? | 12 | 8.1 |