MakeAlpha (Image program function)

Description

This function will set the alpha channel of the specified image to an average of the red, green, and blue channels. The color channels will be set to white.

Usage

makeAlpha ([map])

Parameters

• [map] - The image to be altered.

Example

Convert the rgb image into an alpha channel…

textures/converted_alpha
{       
   blend gl_zero, gl_one_minus_src_alpha
   map   makeAlpha(textures/decals/plasma_burn.tga)
{

Notes

None.