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.

Метод WebGLRenderingContext.clearColor() из WebGL API определяет значения, используемые для задания цвета во время очистки буферов цвета.

This specifies what color values to use when calling the clear() method. Эти значения находятся в пределах от 0 до 1.

Syntax

void gl.clearColor(red, green, blue, alpha);

Parameters

red

A GLclampf specifying the red color value used when the color buffers are cleared. Default value: 0.

green

A GLclampf specifying the green color value used when the color buffers are cleared. Default value: 0.

blue

A GLclampf specifying the blue color value used when the color buffers are cleared. Default value: 0.

alpha

A GLclampf specifying the alpha (transparency) value used when the color buffers are cleared. Default value: 0.

Return value

None.

Examples

js
gl.clearColor(1, 0.5, 0.5, 3);

To get the current clear color, query the COLOR_CLEAR_VALUE constant which returns a Float32Array.

js
gl.getParameter(gl.COLOR_CLEAR_VALUE);
// Float32Array[1, 0.5, 0.5, 1]

Спецификации

Specification
WebGL Specification
# 5.14.3

Совместимость с браузерами

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Chrome
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Firefox for Android
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WebView Android
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clearColor

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Full support
Full support

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