void ent_movevertex(ENTITY* ent, VECTOR* pos, int num){
CONTACT* c = ent_getvertex(ent, NULL, num);
c->v.x = pos->x;
c->v.y = pos->z;
c->v.z = pos->y;
ent_setvertex(ent, c, num);
}
void moveOriginBy(ENTITY* ent, VECTOR* offset){
int i;
VECTOR move;
vec_set(move, offset);
vec_inverse(move);
int vNum = ent_vertices(ent);
for(i=0;i<vNum;i++){
ent_movevertex(ent, move, i+1);
}
}