VG3_color_brightness()Return the passed color darkened.
int VG3_color_brightness(int color, int percent)
|color||Color from VGAG3_COLORS|
|percent||Percent of the brightness of the color: 0 = dark to 100 = bright|
Returns the color darker according to percent.
Return the passed color darkened. E.g. if percent is 50 the color returned will be half as bright as normal.