VG3_coll_q_insert()
Insert an object-instance into a quadtree.SYNTAX
int
VG3_coll_q_insert(struct vg3_quadtree *qdtr,
struct vg3_coll *coll)
FUNCTION PARAMETERS
| qdtr | Quadtree |
| coll | Collision values for object-instance to insert |
RETURN VALUE
Returns 0 if OK or -1 on failure.
ERRORS
On error VG3_errmsg() returns:
EINVAL - error in argument
ENOMEM - cannot get memory
DESCRIPTION
Insert an object-instance into a quadtree.
The parameter coll must have been at least filled out with
- rect: contains the collision rectangle of the object-instance
- optr: contains the pointer to the object-instance
optional:
- oid: may contain a string for recognizing the object of the instance
unused:
- ret: ignored
(Note that the object-instance may be inserted repeatedly with different positions).
SEE ALSO