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- #==============================================================================
- # strausstest.tcl
- #------------------------------------------------------------------------------
- # A port of SIPP demo program strausstest.c to Tcl-SIPP.
- #------------------------------------------------------------------------------
- # $Id: strausstest.tcl,v 2.0 1992/11/02 03:55:33 markd Rel $
- #------------------------------------------------------------------------------
-
- source util.tcl
- ParseArgs
-
- #
- # Demo of the strauss shader. Four spheres are rendered,
- # all with the same base color, but different smoothness
- # and metalness.
- #/
-
- set RESOLUTION 30
-
- #
- # Surface description of the spheres.
- #/
- set non_metal_dull [SippShaderStrauss 0.4 0.2 0.1 {0.6 0.33 0.27}]
-
- set non_metal_shiny [SippShaderStrauss 0.4 0.7 0.1 {0.6 0.33 0.27}]
-
- set metal_dull [SippShaderStrauss 0.4 0.2 0.9 {0.6 0.33 0.27}]
-
- set metal_shiny [SippShaderStrauss 0.4 0.7 0.9 {0.6 0.33 0.27}]
-
- #
- # Antique white surface as background.
- #
- set bg_surf [SippShaderBasic 0.4 0.0 0.99 {0.9804 0.9216 0.8431}]
-
- SippLightSourceCreate {-1.0 -1.0 1.0} {1.0 1.0 1.0} DIRECTION
- SippLightSourceCreate { 0.0 -1.0 2.0} {0.6 0.6 0.6} DIRECTION
-
- #
- # Non metal, dull. Upper left.
- #
- set nmd [SippSphere 1.0 $RESOLUTION $non_metal_dull WORLD]
- SippObjectMove $nmd {-1.1 0.0 1.1}
- SippObjectAddSubobj WORLD $nmd
-
- #
- # Non metal, shiny. Upper right.
- #
- set nms [SippSphere 1.0 $RESOLUTION $non_metal_shiny WORLD]
- SippObjectMove $nms {1.1 0.0 1.1}
- SippObjectAddSubobj WORLD $nms
-
- #
- # Metal, dull. Lower left.
- #
- set md [SippSphere 1.0 $RESOLUTION $metal_dull WORLD]
- SippObjectMove $md {-1.1 0.0 -1.1}
- SippObjectAddSubobj WORLD $md
-
- #
- # Metal, shiny. Lower right.
- #
- set ms [SippSphere 1.0 $RESOLUTION $metal_shiny WORLD]
- SippObjectMove $ms {1.1 0.0 -1.1}
- SippObjectAddSubobj WORLD $ms
-
- #
- # Background.
- #
- set bg [SippBlock {10.0 0.5 10.0} $bg_surf WORLD]
- SippObjectMove $bg {0.0 1.5 0.0}
- SippObjectAddSubobj WORLD $bg
-
- SippCameraParams STDCAMERA {0.0 -10.0 0.0} {0.0 0.0 0.0} {0.0 0.0 1.0} 0.25
-
- DoRendering "strauss"
-
-