Sender: flubber hopping vault Title: Re: Eternal Rurouni Kenshin, Sending station: BBS Westward Journey Mon May 12 19:30:26 2003, forwarded In fact, the principle of eyes is similar to that of water droplets. three elements 1 A small highlight in the direction of the light source 2 Shadows in the same direction as the highlight 3 Bright blocks on the opposite side of the highlight Among them, 2 are not easy to draw and can be omitted.