I don't understand what is the shaows? Where is the light ?
所有跟帖:
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我理解可能是平行投影的意思吧(?), 光源在視線方向上的無窮遠處...
-與數學無關-
♂
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10/27/2010 postreply
12:46:29
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Thanks.
-jinjing-
♀
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10/27/2010 postreply
14:50:21