panda3d/tests/collide/test_into_invsphere.py

47 lines
1.8 KiB
Python

from collisions import *
from pytest import approx
def test_parabola_into_invsphere():
invsphere = CollisionInvSphere(1, 1, 1, 5)
parabola = CollisionParabola()
parabola.set_t1(0)
parabola.set_t2(2)
# parabola starts from outside the sphere
parabola.set_parabola(
LParabola((1, 1, 1), (0, 0, 0), (7, 7, 7)))
entry, np_from, np_into = make_collision(parabola, invsphere)
assert (entry.get_surface_point(np_from) -
invsphere.get_center()).length() == approx(invsphere.get_radius())
# parabola starts on the sphere
parabola.set_parabola(
LParabola((1, 0, 1), (1, 0, 0), (1, 1, 6)))
entry, np_from, np_into = make_collision(parabola, invsphere)
assert entry.get_surface_point(np_from) == (1, 1, 6)
# parabola starts from inside the sphere but doesn't collide
parabola.set_parabola(
LParabola((-1, -1, -1), (1, 1, 1), (1, 1, 1)))
entry = make_collision(parabola, invsphere)[0]
assert entry is None
# parabola is inside the sphere and collides on an endpoint
parabola.set_parabola(
LParabola((1, 0, 0), (0, 0, 0), (2, 1, 1)))
entry, np_from, np_into = make_collision(parabola, invsphere)
assert entry.get_surface_point(np_from) == (6, 1, 1)
# parabola starts from inside the sphere and collides on its projectile
parabola.set_t2(3)
assert parabola.get_parabola().calc_point(2) == (6, 1, 1)
entry, np_from, np_into = make_collision(parabola, invsphere)
assert entry.get_surface_point(np_from) == (6, 1, 1)
parabola.set_parabola(
LParabola((-1, 0, 0), (-1, 0, 0), (2, 1, 1)))
assert parabola.get_parabola().calc_point(2) == (-4, 1, 1)
entry, np_from, np_into = make_collision(parabola, invsphere)
assert entry.get_surface_point(np_from) == (-4, 1, 1)