/* Last edited on 2020-10-03 20:59:26 by jstolfi */
/* _*_ latin-1 _*_  */
/* Bezier model of human body */
/* Coordinate axes are X = forwards, Y = right, Z = up. */

#ifndef bzb_patch_H
#define bzb_patch_H

#include <r3.h>
#include <bzb_texture.h>

typedef struct bzb_patch_cp_t 
  { r3_t cp[16];         /* Bézier control points. */
    bzb_texture_t *tx;   /* Texture for the patch. */
  } bzb_patch_cp_t;
  /* Parameters for a generic Bézier patch. Fields {cp[0..15]} are the
   Bézier control points, as a {4x4} array linearized by rows. */    

typedef struct bzb_patch_cquad_t 
  { r3_t cp[4];           /* Core control points. */
    bzb_texture_t *tx;    /* Texture for the patch. */
  } bzb_patch_cquad_t;
  /* Parameters for a Bézier patch in a C1 mesh. Fields {cp[0..3]} is the 
    central {2x2} array of the {4x4} Bézier control point array,
    linearized by rows. */    

#endif