def can_see(self, other):
if vector.mag2(vector.sub(other.rect.center, self.rect.center)) <= self.__vis_radius ** 2:
angle = vector.dir(vector.sub(other.rect.center, self.rect.center)) - (
self.direction - self.__vis_angle / 2
) % math.radians(360)
if angle < self.__vis_angle:
return True
return False
def flock(self, l, delta):
v1 = vector.muls(self.cohesion(l), self.__cohesion_factor)
v2 = vector.muls(self.separation(l), self.__separation_factor)
v3 = vector.muls(self.rate(l), self.__rate_factor)
self.velocity = vector.add(self.velocity, v1, v2, v3)
self.velocity = vector.maxs(vector.mins(self.velocity, self.__velocity_max), -self.__velocity_max)
self.direction = vector.dir(vector.add(self.velocity, (0, 192 / 6)))
self.set_rotation(-math.degrees((self.direction - math.radians(90)) % math.radians(360)))
