Dogcows Code - chaz/rasterize/blob - light.h

   1
   2 /*
   3  * CS5600 University of Utah
   4  * Charles McGarvey
   5  * mcgarvey@eng.utah.edu
   6  */
   7
   8 #ifndef _LIGHT_H_
   9 #define _LIGHT_H_
  10
  11 #include "color.h"
  12 #include "vec.h"
  13
  14
  15 /*
  16  * A light source.
  17  */
  18 struct light
  19 {
  20     color_t color;
  21     vec_t   position;
  22 };
  23 typedef struct light light_t;
  24
  25
  26 /*
  27  * Initialize a light with a color and position.
  28  */
  29 INLINE_MAYBE
  30 void light_init(light_t* l, color_t color, vec_t position)
  31 {
  32     l->color = color;
  33     l->position = position;
  34 }
  35
  36
  37 /*
  38  * Create a new light with a color and position.
  39  */
  40 INLINE_MAYBE
  41 light_t light_new(color_t color, vec_t position)
  42 {
  43     light_t l;
  44     light_init(&l, color, position);
  45     return l;
  46 }
  47
  48
  49 #endif // _LIGHT_H_
  50