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Text File  |  1991-09-27  |  233b  |  14 lines
  1. {
  2.     sphere.cal: Create a sphere.
  3.  
  4.     igensurf -v -s 7 -t 10 -S 100 sphere.cal | writetddd >sphere.obj
  5. }    
  6.  
  7. #name sphere
  8. #phong on
  9.  
  10. x(s,t) = sin(PI * s) * cos(2 * PI * t);
  11. y(s,t) = cos(PI * s);
  12. z(s,t) = sin(PI * s) * sin(2 * PI * t);
  13.  
  14.