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phoenixzqy:這個(gè)簡(jiǎn)單的啊。設(shè)置半徑、mirror,設(shè)置conic=-1,這樣是一個(gè)拋物面反射鏡,field設(shè)為0度,厚度設(shè)為M R H ,就能看到,平行光經(jīng)反射后,匯聚于一點(diǎn)。 (2012-03-04 00:07) bf::bV?T
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optifdtd:mirror,設(shè)置半徑就好吧 (2012-03-03 22:12) C8 9c2
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