background
Description
The background function sets the color used for the background. The default background is transparent. This function is used to clear the display window at the beginning of each frame.
Syntax
background(v1, v2, v3, [alpha])
background(gray, [alpha])
background(values)
Parameters
| Parameter | Description |
|---|---|
| v1 | red or hue value (depending on the current color mode) |
| v2 | green or saturation value (depending on the current color mode) |
| v3 | blue or brightness value (depending on the current color mode) |
| alpha | opacity of the background relative to current color range (default is 0-255) (Optional) |
| gray | specifies a value between white and black |
| values | an array containing the components of the color |