delta_time += clock.tick() / 1000.0
if (delta_time > (1 / max_fps)):
delta_time = delta_time - (1 / max_fps)
screen.fill((0, 0, 0))
screen.blit(background_image,[0,0])
for boid in flock:
neighbourhood = []
for neighbour in flock:
if neighbour == boid:
continue
d = boid.distance(neighbour)
if boid.is_neighbour(neighbour, 100.0, (120.0 * pi) / 180.0):
neighbourhood.append(neighbour)
# follow rules
boid.alignment(neighbourhood, weight_alignement)
boid.cohesion(neighbourhood, weight_cohesion)
boid.separation(neighbourhood, 60.0, weight_cohesion)
for obstacle in obstacles:
d = boid.distance(obstacle)
if d < 80:
boid.avoid(obstacle, weight_avoid)
obstacle.draw()
boid.goal(mouse_x, mouse_y, weight_goal, goal_on)
boid.update(5)
boid.draw()
pygame.display.update()
pygame.quit()
