class FlyingObject:
def __init__(self, starting_point):
self.alive = True
self.starting_point = starting_point
self.velocity = Velocity(0, 0)
self.center = starting_point
def isAlive(self):
return self.alive
def setPoint(self, point):
self.center = point
def getPoint(self):
return self.center
def setVelocity(self, velocity=None, dx=None, dy=None):
if velocity != None:
self.velocity = velocity
elif dx != None and dy != None:
self.velocity.set_dx(dx)
self.velocity.set_dy(dy)
def getVelocity(self):
return self.velocity
def advance(self):
self.center.add_x(self.velocity.get_dx())
self.center.add_y(self.velocity.get_dy())
def kill(self):
self.alive = False
def is_off_screen(self, screen_width, screen_height):
if self.center.get_center_x() < 0 or self.center.get_center_x(
) > 600 or self.center.get_center_y() < 0 or self.center.get_center_y(
) > 500:
return True
else:
return False
