Keywords: Translucency Vectors.svg en A diagram showing the vectors used in calculating translucent surface lighting similar to the Phong reflection model relative to a surface point N the surface normal L normalized vector in direction of light source -L negative vector L in the opposite direction V normalized vector in direction of viewer Image originally created by User Fuzzypeg in Inkscape and modified by User Martin Kraus; released to the public domain 2011-06-27 own Martin Kraus cc-zero Uploaded with UploadWizard Illustrations |