# cyclone.rib
#
# Test file for the cyclone.sl shader.  See pp. 275-277.
#
# Reference:
#    _Texturing and Modeling: A Procedural Approach_, by David S. Ebert, ed.,
#    F. Kenton Musgrave, Darwyn Peachey, Ken Perlin, and Steven Worley.
#   Academic Press, 1998.  ISBN 0-12-228730-4.
#
# 

version 3.03
ShadingRate 1
PixelSamples 1 1
Format 400 400 1

Display "cyclone.tif" "file" "rgb"

Projection "perspective" "fov" 20
Rotate -90 1 0 0
Translate 0 -4 -.25

WorldBegin

  LightSource "ambientlight" 1 "intensity" 0.025
  LightSource "distantlight" 2 "from" [1.5 2 .1] "to" [0 0 0]

  AttributeBegin
    Surface "matte"
    Color [.05 .05 .4]
    Sphere 1 -1 1 360
  AttributeEnd

  AttributeBegin
    Rotate 115 1 0 0
    Surface "cyclone"
    Sphere 1.01 -1.01 1.01 360
  AttributeEnd

WorldEnd