来了！看你太可怜了，让你看看光源变化产生的差异和物体位移后的阴影变化:fq8:

想起一部小品——
A：“没有看过吧？”
某Z：“嗯”
A：“好玩吧？”
某Z：“嗯”

http://photo6.yupoo.com/20070704/154417_861195020_gjevepzn.jpg

http://photo6.yupoo.com/20070704/154418_132674852_jduhndwc.jpg

http://photo8.yupoo.com/20070704/154420_1603780627_tvluhrrt.jpg

http://photo8.yupoo.com/20070704/154421_1165431407_brzxlzmw.jpg

http://photo8.yupoo.com/20070704/154423_1507753100_fiberdsd.jpg