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- #==============================================================================
- # chain.tcl
- #------------------------------------------------------------------------------
- # A port of SIPP demo program chain.c to Tcl-SIPP.
- #------------------------------------------------------------------------------
- # $Id: chain.tcl,v 2.0 1992/11/02 03:55:21 markd Rel $
- #------------------------------------------------------------------------------
-
- source util.tcl
- ParseArgs
-
- set M_PI 3.14159265358979323846
-
- set SMALLRES 15
- set BIGRES 39
-
- SippLightSourceCreate {1.0 1.0 1.0} {0.9 0.9 0.9} DIRECTION
- SippLightSourceCreate {-1.0 -1.0 0.5} {0.4 0.4 0.4} DIRECTION
-
-
- set shader [SippShaderBasic 0.5 0.6 0.2 {0.8 0.6 0.3}]
- set torus [SippTorus 1.0 0.23 $BIGRES $SMALLRES $shader WORLD]
-
- set torus_pair [SippObjectCreate]
- SippObjectAddSubobj $torus_pair $torus
-
- set torus2 [SippObjectInstance $torus]
- SippObjectMove $torus2 {0.0 -1.375 0.0}
- SippObjectRotateY $torus2 [expr $M_PI/2.0]
- SippObjectAddSubobj $torus_pair $torus2
-
- set chain [SippObjectCreate]
- SippObjectMove $torus_pair {-1.375 1.375 0.0}
- SippObjectAddSubobj $chain $torus_pair
-
- set torus_pair2 [SippObjectInstance $torus_pair]
- SippObjectRotateZ $torus_pair2 [expr $M_PI/2.0]
- SippObjectMove $torus_pair2 {-1.375 -1.375 0.0}
- SippObjectAddSubobj $chain $torus_pair2
-
- set torus_pair3 [SippObjectInstance $torus_pair2]
-
- SippObjectRotateZ $torus_pair3 $M_PI
- SippObjectMove $torus_pair3 {1.375 -1.375 0.0}
- SippObjectAddSubobj $chain $torus_pair3
-
- set torus_pair4 [SippObjectInstance $torus_pair3]
- SippObjectRotateZ $torus_pair4 [expr 3.0*$M_PI/2.0]
- SippObjectMove $torus_pair4 {1.375 1.375 0.0}
- SippObjectAddSubobj $chain $torus_pair4
-
- SippObjectAddSubobj WORLD $chain
-
- set camera [SippCameraCreate {5.0 -2.0 15.0} {0.5 0.0 0.0} {0.0 0.0 1.0} 0.25]
- SippCameraUse $camera
-
- if {$G_mode == "LINE"} {
- SippBackground {0 .4 0}
- SippLineColor {1 0 0}
- }
-
- DoRendering "chain"
-
-