def get_alignment(self): sumVector = Vector(0, 0) count = 0 for b in self.friends: d = np.linalg.norm(self.position - b.position) if d > 0 and d < NEARBY_RADIUS: copy = Vector(b.velocity.x, b.velocity.y) copy.normalize() copy /= d sumVector += copy count += 1 return sumVector
def predict_next_state(self, x, y, velocity: pg.Vector2):
vector_norm = velocity.normalize()
predicted_x = int(round(x + vector_norm[0]))
predicted_y = int(round(y + vector_norm[1]))
predicted_x = max(min(predicted_x, self.resolution[0] - 1), 0)
predicted_y = max(min(predicted_y, self.resolution[1] - 1), 0)
return predicted_x, predicted_y
def __init__(self, size: (int, int), direction: Vector2, force: float):
surface = Surface(size)
RigidPhysicsAwareGameObject.__init__(self, surface, 0)
AnimatedSprite.__init__(
self,
ResourceManagement.get_environment_wind_stream_sprites(size),
2, WindDirection.UP)
self._direction = direction.normalize()
self._force = force
if abs(direction.x) > abs(direction.y):
if direction.x > 0:
self._state = WindDirection.RIGHT
else:
self._state = WindDirection.LEFT
else:
if direction.y > 0:
self._state = WindDirection.DOWN
else:
self._state = WindDirection.UP
def _on_collide(self, other: GameObject, direction_of_impact: Vector2, direction: ImpactSide, delta_time: float):
if isinstance(other, RigidPhysicsAwareGameObject):
other.apply_force(
direction_of_impact.normalize() * PlayerSettings.Ability.TornadoJump.KNOCKBACK_STRENGTH * self.level)
def angle_between(vec1: Vector2, vec2: Vector2) -> float:
"""Returns the angle between the two vectors in the interval (0,180]"""
cos_angle = dot_prod(vec1.normalize(), vec2.normalize())
return math.acos(round(cos_angle, 5))
def proj_vec(vec1: Vector2, vec2: Vector2) -> Vector2:
return dot_prod(vec1, vec2.normalize()) * vec2.normalize()
