def _platform_additional_check(self, platform: Platform):
"""
The additional checking for the condition that the ball passes the corner of the platform
"""
if self.rect.bottom > platform.rect.top:
routine_a = (Vector2(self._last_pos.bottomleft), Vector2(self.rect.bottomleft))
routine_b = (Vector2(self._last_pos.bottomright), Vector2(self.rect.bottomright))
return (physics.rect_collideline(platform.rect, routine_a) or
physics.rect_collideline(platform.rect, routine_b))
return False
def _ball_routine_hit_platform(self, target_platform: Platform, \
routine_for_left, routine_for_right) -> bool:
"""
Check if the ball routine hits the platform
@param target_platform Specify the target platform
@param routine_for_left A tuple (Vector2, Vector2) presenting the checking routine
for the condition that the ball is at the left side of the platform
@param routine_for_right Similar to `routine_for_left` but
for the condition that the ball is at the right side of the platform
"""
return (self.rect.right < target_platform.rect.left and \
physics.rect_collideline(target_platform.rect, routine_for_left)) or \
(self.rect.left > target_platform.rect.right and \
physics.rect_collideline(target_platform.rect, routine_for_right))
def _ball_routine_hit_rect(self, rect: pygame.Rect, routines) -> bool:
"""
Check if the ball hits the `rect`
by checking if any of ball routine collide with the `rect`.
"""
rect_expand = rect.inflate(1, 1)
for routine in routines:
# Exclude the case of the ball goes from the surface
if not rect_expand.collidepoint(routine[0]) and \
physics.rect_collideline(rect, routine):
return True
return False