This program displays a torus rendered with "cartoon lighting". The dot product between the normal and light vector is performed in object space, and used as a lookup into a 1D texture with "sharp lighting" values. The dot product is computed manually, or using a vertex program. The back faces are then drawn in wireframe mode to create an outline. The download for this project contains two separate versions, one using NV_vertex_program to perform the lighting calculations and one using ARB_vertex_program. Requirements: EXT_compiled_vertex_array EXT_texture_edge_clamp Required for vertex program calculations: NV_vertex_program/ARB_vertex_program References: Cel-Shading by Sami "MENTAL" Hamlaoui. From www.gamedev.net Keys: F1 - Take a screenshot Escape - Quit 1 - Use manual cartoon lighting calculations 2 - Use vertex program Up Arrow- Increase outline width Down Arrow- Decrease outline width Use the mouse to spin the object.

Cel Shading
...........\Cel Shading with ARB vp
...........\.......................\ARB_program.cpp
...........\.......................\ARB_program.h
...........\.......................\Cel Shading.exe
...........\.......................\extensions
...........\.......................\..........\ARB_vertex_program_extension.cpp
...........\.......................\..........\ARB_vertex_program_extension.h
...........\.......................\..........\EXT_compiled_vertex_array_extension.cpp
...........\.......................\..........\EXT_compiled_vertex_array_extension.h
...........\.......................\..........\EXT_texture_edge_clamp_extension.cpp
...........\.......................\..........\EXT_texture_edge_clamp_extension.h
...........\.......................\FPS_COUNTER.cpp
...........\.......................\FPS_COUNTER.h
...........\.......................\LOG.cpp
...........\.......................\LOG.h
...........\.......................\Main.cpp
...........\.......................\Main.h
...........\.......................\Maths
...........\.......................\.....\COLOR.cpp
...........\.......................\.....\COLOR.h
...........\.......................\.....\Maths.h
...........\.......................\.....\MATRIX4X4.cpp
...........\.......................\.....\MATRIX4X4.h
...........\.......................\.....\PLANE.cpp
...........\.......................\.....\PLANE.h
...........\.......................\.....\Release
...........\.......................\.....\VECTOR2D.cpp
...........\.......................\.....\VECTOR2D.h
...........\.......................\.....\VECTOR3D.cpp
...........\.......................\.....\VECTOR3D.h
...........\.......................\.....\VECTOR4D.cpp
...........\.......................\.....\VECTOR4D.h
...........\.......................\Project.sln
...........\.......................\Project.vcproj
...........\.......................\TIMER.cpp
...........\.......................\TIMER.h
...........\.......................\TORUS.cpp
...........\.......................\TORUS.h
...........\.......................\vertex program.txt
...........\.......................\WINDOW.cpp
...........\.......................\WINDOW.h
...........\Cel Shading with NV vp
...........\......................\Cel Shading.exe
...........\......................\extensions
...........\......................\..........\EXT_compiled_vertex_array_extension.cpp
...........\......................\..........\EXT_compiled_vertex_array_extension.h
...........\......................\..........\EXT_texture_edge_clamp_extension.cpp
...........\......................\..........\EXT_texture_edge_clamp_extension.h
...........\......................\..........\NV_vertex_program_extension.cpp
...........\......................\..........\NV_vertex_program_extension.h
...........\......................\FPS_COUNTER.cpp
...........\......................\FPS_COUNTER.h
...........\......................\LOG.cpp
...........\......................\LOG.h
...........\......................\Main.cpp
...........\......................\Main.h
...........\......................\Maths
...........\......................\.....\COLOR.cpp
...........\......................\.....\COLOR.h
...........\......................\.....\Maths.h
...........\......................\.....\MATRIX4X4.cpp
...........\......................\.....\MATRIX4X4.h
...........\......................\.....\PLANE.cpp
...........\......................\.....\PLANE.h
...........\......................\.....\Release
...........\......................\.....\VECTOR2D.cpp
...........\......................\.....\VECTOR2D.h
...........\......................\.....\VECTOR3D.cpp
...........\......................\.....\VECTOR3D.h
...........\......................\.....\VECTOR4D.cpp
...........\......................\.....\VECTOR4D.h
...........\......................\NV_vertex_program.cpp
...........\......................\NV_vertex_program.h
...........\......................\Project.sln
...........\......................\Project.vcproj
.....

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