Practical Algorithms for 3D Computer Graphics, 2nd Edition

344 9. The complete package: OpenFX

typedef struct Designer_EDGE_tag {

long V[2]; /* List of vertices at the end of the edge. */

} edge;

Listing 9.12: T h e edge data structure. Some member s have been omitted to help

highlight th e most important items.

typedef struct Designer_FACE_tag {

long V[3]; /* The vertices around the face. */

/* Which material is to be applied to this face */

short material;

/* Which Image/Texture map is to be applied to this face*/

short imagemap;

/* These are the Image/Texture coordinates for the vertics

of the face, they are done on a PER FACE basis so that

adjacent faces cna have a different mapping*/

float x[3],y[3];

BOOL gp; ...