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This line o.lightDir = normalize(ObjSpaceLightDir(v.vertex)) fills lightDir. So it's not automatically filled in at all. ObjSpaceLightDir gives...

Post by: pilypala, Jan 27, 2011 in forum: Shaders

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What's _lightDir anyway? It's used in surface shaders. Is it available in frag function? I am creating an effect like looking at earth from...

Post by: pilypala, Jan 27, 2011 in forum: Shaders

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How do I get light information in vert or frag programs? I am pulling my hairs here. What are these? inline float3 WorldSpaceLightDir( in...

Thread by: pilypala, Jan 27, 2011, 11 replies, in forum: Shaders

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This is used to specify tiling and offset for each texture. See the tiling and offset parameters next to each texture box? Their values are...

Post by: pilypala, Jan 26, 2011 in forum: Shaders

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Hi Guys, I need to use normal the result of diffuse light shader as alpha to blend two textures together. How can I do this? Combine src1...

Thread by: pilypala, Jan 26, 2011, 0 replies, in forum: Shaders

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Thanks! Makes perfect sense. Still some newbie questions: Sometimes I see vert function outputing POSITION, sometimes it's outputing SV_POSITION....

Post by: pilypala, Jan 25, 2011 in forum: Shaders

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Hi Guys, I am a newbie to shader programming. I have a quick question that needs explaining. We know vertex shader does work on each vertex,...

Thread by: pilypala, Jan 25, 2011, 3 replies, in forum: Shaders

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awesome job dude. exactly what I am looking for.

Post by: pilypala, Jan 13, 2011 in forum: Made With Unity

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