/** completePlane **/
void completePlane(scene_t *scene, entity_t *ent) {
sobj_t *sobj;
plane_t *plane;
assert(scene->magic == SCENE_T);
assert(ent->magic == ENTITY_T);
sobj = ent->entDerived;
assert(sobj->magic == SCENEOBJ_T);
plane = sobj->sobjDerived;
assert(plane->magic == PLANE_T);
plane->normal = unitize(cross(plane->orient1, plane->orient2));
completeSceneObj(scene, ent);
}
/** newSceneObj **/
entity_t *createSceneObj(FILE *inFP, scene_t *scene,
char *type, int code)
{
entity_t *ent; /* Pointer to new entity_t */
sobj_t *sobj; /* Pointer to new sobj_t */
pixel_t white = {255, 255, 255}; /* Default color */
intensity_t zero = {0, 0, 0}; /* Default diffuse/reflect values */
/* create new sceneObject structure */
ent = createEntity(inFP, type, code);
sobj = (sobj_t *) malloc(sizeof(sobj_t));
assert(sobj != NULL);
ent->entDerived = sobj;
/* Set default values for a shape */
sobj->color = white;
sobj->diffuse = zero;
sobj->reflective = zero;
sobj->magic = SCENEOBJ_T;
loadSceneObj(inFP, ent);
completeSceneObj(scene, ent);
return(ent);
}
