Set bacground color

setbackground color
(setbackground color opacity)
setbg color
(setbg color opacity)

Sets a uniform background color. Color can be specified as a name, index in the current palette of colors or a list or array of color compunds: {r g b} or {r g b opacity}. The range of compoud values is from 0 (off) to 100 (full brightness), opacity values are from 0 (transparent) to 100 (opaque).

Example:

(setbg "black 50)
wait 1000
repeat 1000 [setbg repcount wait 20]

Output: changing background of the graphics window.

See also:

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