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x = 2²»ÊÇÏòÓÒ×ßÂð?pygameÄѵÀ¸ã´íÁË???
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¿´ÍêÖ®ºó,Äã»á·¢ÏÖÊÇÔͼ¸ú(2)ͼÊÇÒ»Ñù,Ö®ËùÒÔÊÇ[-2,1]¶ø²»ÊÇ[2,1]ÊÇÒòΪÔͼ¹êÍ·µÄ·½ÏòÊdz¯ "×ó±ß" µÄ,
Èç¹ûÊÇ[2, 1]ÄÇô¾Í±ä³ÉÎÚ¹êÓÃƨ¹É×ß·ÁË,ÄÇ [-2, 1]ÊÇÈçºÎ×öµ½ÈÃÎÚ¹êÓÃÍ·×ß·µÄÄØ?
ÆäʵÊÇ turtle = pygame.transform.flip(turtle, True, False)Õâ¶Î´úÂëµÄ×÷ÓÃ,ÎÚ¹êÒ»¿ªÊ¼×óÉϽǵÄ×ø±êΪ(0, 0)È»ºó
speed = [-2, 1], ÎÚ¹ê×óÉϽÇÒƶ¯µ½[-2, 1],¼´Ïò×ó±ßÒƶ¯2¸öÏñËØ,ÏòÏÂÒƶ¯1¸öÏñËØ,´ËʱÎÚ¹êµÄ×ø±êÊÇ(-2,1)Õâ¸öλÖÃ,
¾¹ý if position.left < 0 or position.right > width Óï¾äµÄÅжÏ,ÏÔÈ» position.left СÓÚ0 ËùÒÔÖ´ÐÐ
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GMT+8, 2024-5-1 16:40
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