I just want to know so i can make a cool effect with the star mats.

Depends on if you are talking about transparency or translucency. Translucency would be like for a window and is set with a face flag on that surface (see the breaking glass tutorial).

Transparency (you just don't see part of the mat) is actually a part of the mat. Black (0,0,0) shows up in the game as totally see through. Black (256,256,256) shows up as black. Just take your mat or bmp with balck in it and, when you convert it into a mat in MatMaster, make sure the translucency option is turned on. It will handle to different types of black for you.

Warning, if you are wanting to make the sky transparent, you will get hom. It has to be adjoined to something.

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"Sometimes nothing can be a real cool hand."
Have Lightsaber Will Travel

I was talking about transparency, and ill tell you about the effect i thought would look cool; the wall would be left alown with the star mat, then i would make three fake walls going to the inside of the sector, (scale of regular=0-10=Transparent )

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i think this idea would make a cool 3D effect, thats y i wanted to know.

oops i ment (scale of regular=10-1
0=Transparent )

I found that on some computers you don't see a tranparent surface mat that is behind another transparent surface mat, so more than one "star layer" may not show.

plus it can really kill framerate. i tried that once to make fog. didn't work too well. if you just have three surfaces, you might give it a try though.

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"the mouse is my chisel."
MotS mp:
Little House of Hazards
Surface Disposal Outpost