def testNull(self):
"""Properties for null vector"""
self.assertTrue(NULL_VECTOR.is_null())
self.assertTrue(Vec2d(0, 0).is_null())
self.assertTrue(Vec2d.origin_to(Point(0,0)).is_null())
a_pt = Point(1,2)
self.assertTrue(Vec2d.from_to(a_pt, a_pt).is_null())
def arrive(self, target: Point, deceleration=FAST) -> Vec2d:
"""Similar a seek pero llegando con velocidad nula."""
to_target = Vec2d.origin_to(target - self.player.pos)
# distance to target
dist = to_target.get_length()
if dist > 25:
# Para ajustar la deceleración...
decelerationTweaker = 3
# Cálculo de la velocidad requerida.
speed = min(dist / (deceleration * decelerationTweaker), self.player.max_speed.get_length())
# velocity:
desired_velocity = to_target * speed / dist # Vec2d(to_target * speed / dist)
## FIX THIS TYPE :::
return desired_velocity - self.player.velocity
else:
return Vec2d(0, 0)
