def draw_planet(p: Planet):
if p.get_pos()[0] - p.get_radius() > screen_width:
p.set_pos((0 - p.get_radius(), p.get_pos()[1]))
elif p.get_pos()[0] + p.get_radius() < 0:
p.set_pos((screen_width + p.get_radius(), p.get_pos()[1]))
if p.get_pos()[1] - p.get_radius() > screen_height:
p.set_pos((p.get_pos()[0], 0 - p.get_radius()))
elif p.get_pos()[1] + p.get_radius() < 0:
p.set_pos((p.get_pos()[0], screen_height + p.get_radius()))
pygame.draw.circle(screen, p.get_color(), p.get_pos(), p.get_radius())
velocity = Vector2(p.get_vel())
if velocity.magnitude() > 0:
try:
velocity.scale_to_length(p.get_radius())
except ValueError:
print("faulty scale_to_length")
