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

   1
   2 /*
   3  * CS5600 University of Utah
   4  * Charles McGarvey
   5  * mcgarvey@eng.utah.edu
   6  */
   7
   8 #ifndef __VERT_H__
   9 #define __VERT_H__
  10
  11 #include "color.h"
  12 #include "vec.h"
  13
  14
  15 /*
  16  * A vertex is a point and its associated color.
  17  */
  18 struct vert
  19 {
  20     vec_t   v;
  21     color_t c;
  22 };
  23 typedef struct vert vert_t;
  24
  25
  26 /*
  27  * Initialize a vertex with a point vector and a color.
  28  */
  29 __fast__
  30 void vert_init(vert_t* r, vec_t v, color_t c)
  31 {
  32     r->v = v;
  33     r->c = c;
  34 }
  35
  36
  37 /*
  38  * Create a new vertex with a point vector and a color.
  39  */
  40 __fast__
  41 vert_t vert_new(vec_t v, color_t c)
  42 {
  43     vert_t r;
  44     vert_init(&r, v, c);
  45     return r;
  46 }
  47
  48 /*
  49  * Create a new vertex from vector components and a color.
  50  */
  51 __fast__
  52 vert_t vert_new2(scal_t x, scal_t y, scal_t z, color_t c)
  53 {
  54     vec_t v = vec_new(x, y, z);
  55     return vert_new(v, c);
  56 }
  57
  58 #define VERT_ZERO vert_new(VEC_ZERO, COLOR_CLEAR)
  59
  60
  61 #endif // __VERT_H__
  62