void test_physics(){
printf("testing physics\n");
world_handle hello_world = new_world();
//tests movement, set/get velocity, set/get location(position)
po_vector center;
center.x = 1.0;
center.y = 1.0;
po_circle circle2 = create_circ(center, 1.0);
po_geometry geo_circle2 = create_geom_circ(circle2, 1.0);
po_handle circle02 = add_object (hello_world, &geo_circle2, 20.0, 1.0, 0.0);
po_vector location = get_position(circle02);
center.x = 0.0;
center.y = 0.0;
po_circle circle1 = create_circ(center, 5.0);
po_geometry geo_circle1 = create_geom_circ(circle1, 1.0);
po_handle circle01 = add_object (hello_world, &geo_circle1, 50.0, 0.0, 0.0);
set_velocity(circle02,-1.0,0.0);
po_vector velocity = get_velocity(circle02);
update(hello_world,3);
po_vector pos02 = get_position(circle02);
po_vector pos01 = get_position(circle01);
assert(pos02.x == 17.0);
assert(pos02.y == 1.0);
assert(pos01.x == 50.0);
assert(pos01.y == 0.0);
set_location(circle01, 0.0, 0.0);
set_velocity(circle01, -7.76,1.7);
set_location(circle02, 20.0, 0.0);
set_velocity(circle02, -9.0,2.0);
update(hello_world,1);
po_vector pos002 = get_position(circle02);
po_vector pos001 = get_position(circle01);
assert( pos002.x == 11.0);
assert( pos002.y == 2.0);
assert(fabs(pos001.x - -7.76) <= EPSILON);
assert(fabs(pos001.y - 1.7)<= EPSILON);
}
t_circ *my_fulfill_list(char **av)
{
int i;
t_circ *root;
i = 1;
root = create_circ();
while (av[i])
add_elem_end(root, av[i++]);
add_elem_end(root, NULL); // si a l'envers, add_elem_beg a la place de end.
return (root);
}
