UID:264277
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phoenixzqy:这个简单的啊。设置半径、mirror,设置conic=-1,这样是一个抛物面反射镜,field设为0度,厚度设为M R H ,就能看到,平行光经反射后,汇聚于一点。 (2012-03-04 00:07) 1`aFL5[0$
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optifdtd:mirror,设置半径就好吧 (2012-03-03 22:12) 'l<kY\I!%
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