Tagged Questions
11
votes
1answer
539 views
Toon/cel shading with variable line width?
I see a few broad approaches out there to doing cel shading:
Duplication & enlargement of model with flipped normals (not an option for me)
Sobel filter / fragment shader approaches to edge ...
4
votes
1answer
134 views
Cheap ways to do scaling ops in shader?
I've got an extensive world terrain that uses vec3 for the vertex position attribute. That's good, because the terrain has endless gradations due to the use of floating point. But I'm thinking about ...
5
votes
1answer
716 views
GLSL, all in one or many shader programs?
I am doing some 3D demos using OpenGL and I noticed that GLSL is somewhat "limited" (or is it just me?). Anyway I have many different types of materials. Some materials have ambient and diffuse color, ...
4
votes
2answers
348 views
OpenGL, Offset and Camera Space
I was reading chapter 4 of the Arcsyntesis OpenGL tutorial when I came across this line in the GLSL shader.
vec4 cameraPos = position + vec4(offset.x, offset.y, 0.0, 0.0);
About it, the tutorial ...
