mariners2001 Posted October 4, 2002 Share Posted October 4, 2002 I've been messing around with shaders and I've read many tutorials but I still haven't come to grips with shaders. I'm looking to make a leather shader for one of my projects and was wondering if someone would be willing to help me out. Either PM me, e-mail me , or reply here if you're able to lend a helping hand. Any help would be greatly appreciated. Link to comment Share on other sites More sharing options...
Bell Posted October 5, 2002 Share Posted October 5, 2002 get q3ase it rocks http://www.bpeers.com/software/q3ase/ read the manual and tuts you'll make shaders in no time Link to comment Share on other sites More sharing options...
mariners2001 Posted October 5, 2002 Author Share Posted October 5, 2002 yeah, that's the program I've been using. I've managed to get my project to be shiny like it's wrapped in suran-wrap or something but I still can't manage to get a leathery look. If anyone could lend some specefic pointers that'd be awesome. Link to comment Share on other sites More sharing options...
KMan Posted October 7, 2002 Share Posted October 7, 2002 Ok, you'll need an alpha channel on your skin. What I'd recommend (if the leather you are looking for is going to be black) Make a separate layer over your texture, then use the polygonal lasso tool (or whatever you prefer) and select all of the areas that you want to have the shader affect. Fill this with a light color (maybe white, depends on how much you want it to shine). Invert the selection and fill that with black. Create a new layer (multiply-overlay-or soft light) fill it with 50% gray, then a 15% noise. Blur this and adjust transparency until you have a noticeable texture/mottling on the light areas. Flatten, invert, and use as your alpha channel. In Q3ASE Layer 1- skin texture (lighting diffused) Layer 2- Env Map (lighting diffused) additive blendfunc Layer 3- skin texture (lighting diffused) blend blendfunc NOTE- if appearance is wrong, either invert the alpha channel in the skin, ,or customize the blendfunc and invert the alpha represented. Link to comment Share on other sites More sharing options...
mariners2001 Posted October 7, 2002 Author Share Posted October 7, 2002 thanks a lot KMan, i really appreciate it. i think i figured it out, and I'm going to test it in-game now. Link to comment Share on other sites More sharing options...
Scotchy Posted October 7, 2002 Share Posted October 7, 2002 ... so how did it turn out? Link to comment Share on other sites More sharing options...
mariners2001 Posted October 7, 2002 Author Share Posted October 7, 2002 well, i'm having some difficulties figuring out the whole alpha channel stage. i got my shader in-game but i didn't notice any difference. could someone explain briefly how to make an alpha channel. i'm a bit confused there. Link to comment Share on other sites More sharing options...
KMan Posted October 7, 2002 Share Posted October 7, 2002 It's easier imo to use PSP to get the alpha channel in there. Check the help file for PS or PSP. I'm sure it would be in there somewhere. Just make sure to keep a copy of the orig texture before you flatten the image with the alpha channel. Link to comment Share on other sites More sharing options...
Bell Posted October 8, 2002 Share Posted October 8, 2002 ya i've had some diffuculties making alpha channels in photo shop i may give pps a try. The ones i make in photoshop have this white edge around them. anyone know what that is? anyways here's some alpha channel tuts http://www.planetquake.com/meanarena/Q3_alpha-channel_tuts.html http://www.ksgfx.com/tutorials/alphamat_frames2.htm http://planetquake.com/qworkshop3/tutorials/alpha_channel/index.html Link to comment Share on other sites More sharing options...
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