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Topic Starter	Topic: grass in doom 3...
o'dium Eh? Joined: 25 Mar 2001 Posts: 32049	Posted: 07-06-2005 12:39 PM                    I've made grass in Q2E, and its exactly the same as doom 3 in terms of lighting and shaders... Anyways, my grass so far is a bunch of polygons grouped together randomly, twoSided, noSelfShadow and noShadows, with a simple alpha tested stage that still loads diffuse, specular and bump. The problem i'm having is that everything looks fine part from one thing, its very black. Far to black for no reason really. Whats the best type of shader to use for such a thing? EDIT: shader models/mapobjects/grass_patch1/grass { twosided noSelfShadow noShadows bumpMap models/mapobjects/grass_patch1/grass_local.tga specularMap models/mapobjects/grass_patch1/grass_s.tga { blend diffuseMap map models/mapobjects/grass_patch1/grass_d.tga alphaTest 0.5 } } Last edited by o'dium on 07-06-2005 12:45 PM, edited 1 time in total.
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o'dium Eh? Joined: 25 Mar 2001 Posts: 32049	Posted: 07-06-2005 12:41 PM                    see:
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o'dium Eh? Joined: 25 Mar 2001 Posts: 32049	Posted: 07-06-2005 01:00 PM                    Hmm... this is the doom 3 shader: textures/decals/hangingwires2 { nonsolid noimpact noshadows qer_editorimage textures/decals/hangingwires.tga bumpmap addnormals ( textures/decals/hangingwires_local.tga , heightmap ( textures/decals/hangingwires2_b.tga , 2 ) ) { blend diffusemap map textures/decals/hangingwires2_d.tga alphatest .25 } specularmap textures/decals/hangingwires2_s.tga } Different loading order, and different alpha test value... i'll try this... EDIT: Nah, no difference...
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seremtan Etile Joined: 19 Nov 2003 Posts: 34899	Posted: 07-07-2005 12:51 AM                  looks to me like the grass sprites are taking their lighting info from somewhere other than where you want it, perhaps from within the brush on which the shader is applied?
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o'dium Eh? Joined: 25 Mar 2001 Posts: 32049	Posted: 07-07-2005 03:53 AM                    Yeah ignore the lack of grass lol, its a temp model because i couldn't fix this problem... And yes, it looks a lot like the model is getting the lighting info from the wrong place
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rep rep Joined: 29 Aug 2002 Posts: 6771	Posted: 07-07-2005 04:21 PM                  Hey o'dium, do you remember the videos from MacWorld when they first showed DOOM 3? Remember how moody the lighting was? It looked like a TOOL video. Could you make Q2E like this? I think they dropped the ball with DOOM 3's lighting because there are only a few places that really show off beautiful lighting and shadows. _________________
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