12 2009 档案

摘要:fov = field of view focal length =( screen width/screenheight)/( tan(fov/2)) #--------------------------------------------------------------------------- option "bucket" "string order" [ "spiral"] #su... 阅读全文
posted @ 2009-12-22 10:57 rdRaod 阅读(273) 评论(0) 推荐(0)
摘要:http://www.3delight.com/en/modules/PunBB/viewtopic.php?pid=9708#p9708that is thread in 3delight official forumthe main idea is use mel binding in 3delight to do the stereo rendering,but there are stil... 阅读全文
posted @ 2009-12-20 15:10 rdRaod 阅读(269) 评论(0) 推荐(0)
摘要:volume ptc_surface_bake( string ptc_file = ""; string ptc_coordsys = "world"; float i_Ci=3; float bleeding_intensity = 0.25; ) { color aov_in... 阅读全文
posted @ 2009-12-19 12:25 rdRaod 阅读(643) 评论(0) 推荐(0)
摘要:types of pattens  texture files  regular patten  pure stochastic patten  perturbed regular patten  random placement patten  perturbed access to texture file     texture files : 直接使用贴图 最简单,容易出现重复纹理,分辨率... 阅读全文
posted @ 2009-12-07 22:06 rdRaod 阅读(198) 评论(0) 推荐(0)
摘要:in fact the real goal is not to make a perfect shader, but rather to make a successful shader~~~~~~~~~~yessssss~ 阅读全文
posted @ 2009-12-03 21:05 rdRaod 阅读(268) 评论(0) 推荐(0)
摘要:点乘 dot product  点乘,也叫向量的内积、数量积。顾名思义,求下来的结果是一个数。  向量a·向量b=|a||b|cos<a,b>  在物理学中,已知力与位移求功,实际上就是求向量F与向量s的内积,即要用点乘。  将向量用坐标表示(三维向量),  若向量a=(a1,b1,c1),向量b=(a2,b2,c2),  则  向量a·向量b=a1a2+b1b2+... 阅读全文
posted @ 2009-12-03 21:05 rdRaod 阅读(2452) 评论(0) 推荐(0)
摘要:http://www.3delight.com/en/modules/PunBB/viewtopic.php?id=1802 阅读全文
posted @ 2009-12-01 21:30 rdRaod 阅读(291) 评论(0) 推荐(0)