CellShadingNotes

a few notes about cellshading experiments.

discussion in our forum : http://freegamer.schattenkind.net/index.php?t=msg&th=209

links about celshading

• cel shading effect in gtkradiant 1.5.0 for warsow, q2 map script ?
  • http://www.warsow.net/forum/viewtopic.php?id=8872
• description in wikipedia : http://en.wikipedia.org/wiki/Cel-shaded_animation
• nehe opengl celshading tutorial : http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=37
• article on gamedev.net : http://www.gamedev.net/reference/programming/features/celshading/
• http://www.ogre3d.org/phpBB2/viewtopic.php?t=34864
• http://www.ogre3d.org/phpBB2/viewtopic.php?t=31334 Cel Shading and Texture
• http://www.ogre3d.org/phpBB2/viewtopic.php?t=35259&highlight=
• todo : look if this shader is available under bsd license

other stuff about shaders

• nehe glsl tutorial (not specifically celshading) : http://nehe.gamedev.net/data/articles/article.asp?article=21
• there might be some samples in http://www.ogre3d.org/docs/manual/manual_toc.html
• http://frustum.org/3d/
• http://esprit.campus.luth.se/~humus/3D/
• http://www.ogre3d.org/wiki/index.php/CodeSnippits#Shaders
• http://ghoulsblade.schattenkind.net/wiki/index.php/Techlinks
• http://www.ogre3d.org/phpBB2/viewtopic.php?t=3375
• http://developer.nvidia.com/object/fx_composer_home.html#2
• http://www.delphi3d.net/index.php
• http://libsh.sourceforge.net/shaders/
• http://www.cgl.uwaterloo.ca/Projects/rendering/Papers/
• http://www.cgshaders.org/shaders/
• http://www.beyond3d.com/forum/viewtopic.php?start=20&t=4386
• http://www.ati.com/developer/gdc/D3DTutorial10_Half-Life2_Shading.pdf
• http://www.ati.com/developer/gdc/D3D_Tutorial_Richard_Optimsations.pdf
• http://shadertech.com/contest/
• http://www.opengl.org/discussion_boards/cgi_directory/ultimatebb.cgi?ubb=get_topic;f=3;t=012674 (cloud rendering)
• http://download.nvidia.com/developer/SDK/Individual_Samples/samples.html
• http://developer.nvidia.com/object/gdc_2005_presentations.html
• http://www.ati.com/developer/techpapers.html#gdc05
• http://www.terathon.com/index.html
• http://www.gamasutra.com/features/19981009/multitexturing_01.htm specular (light) map
• http://www.3dtotal.com/team/Tutorials/leafproject/leaf_6.asp

normal and specular maps

• ogre normalmapping demo
• http://www.ogre3d.org/phpBB2/viewtopic.php?t=28871&highlight=specular+map
• http://www.ogre3d.org/phpBB2/viewtopic.php?t=30487&highlight=specular+map
• http://www.ogre3d.org/phpBB2/viewtopic.php?t=29685&highlight=specular+map
• http://www.ogre3d.org/phpBB2/viewtopic.php?t=30803&highlight=specular+map
• http://www.3dtotal.com/team/Tutorials/leafproject/leaf_6.asp

snippets

generate mesh tangent vectors by code

 void CEntity::SetGenerateTangents(const STRING &meshType)
   {
      MeshPtr pMesh = MeshManager::getSingleton().load(meshType,
         ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,   
         HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY,
         HardwareBuffer::HBU_STATIC_WRITE_ONLY,
         true, true);

      unsigned short src, dest;
      if (!pMesh->suggestTangentVectorBuildParams(src, dest))
      {
         pMesh->buildTangentVectors(src, dest);
      }   
   }