def checker(self, r): if self.wasd == 0: return self.field.get_cell( Vector2(self.rect.centerx - r, self.rect.centery)) elif self.wasd == 2: return self.field.get_cell( Vector2(self.rect.centerx + r, self.rect.centery)) elif self.wasd == 1: return self.field.get_cell( Vector2(self.rect.centerx, self.rect.centery - r)) elif self.wasd == 3: return self.field.get_cell( Vector2(self.rect.centerx, self.rect.centery + r))