源代码

  1. /**
  2.  * DOC_TBA
  3.  *
  4.  * @name czm_raySegment
  5.  * @glslStruct
  6.  */
  7. struct czm_raySegment
  8. {
  9.     float start;
  10.     float stop;
  11. };
  13. /**
  14.  * DOC_TBA
  15.  *
  16.  * @name czm_emptyRaySegment
  17.  * @glslConstant 
  18.  */
  19. const czm_raySegment czm_emptyRaySegment = czm_raySegment(-czm_infinity, -czm_infinity);
  21. /**
  22.  * DOC_TBA
  23.  *
  24.  * @name czm_fullRaySegment
  25.  * @glslConstant 
  26.  */
  27. const czm_raySegment czm_fullRaySegment = czm_raySegment(0.0, czm_infinity);