博客园_胡说八道学而不思则罔，思而不学则殆http://feed.cnblogs.com/blog/u/8636/rss2006-04-02T18:18:30Z胡说八道http://www.cnblogs.com/sevecol/CNBlogs BlogServerhttp://www.cnblogs.com/sevecol/archive/2006/04/03/365206.htmlNVIDIA GDC2006 presentation 连接:ftp://download.nvidia.com/developer/presentations/2006/gdc2006-04-02T18:19:00Z2006-04-02T18:19:00Z胡说八道http://www.cnblogs.com/sevecol/http://www.cnblogs.com/sevecol/archive/2006/04/02/364875.htmlATI GDC2006 Presentations 连接:http://www.ati.com/developer/techpapers.html#gdc062006-04-02T06:30:00Z2006-04-02T06:30:00Z胡说八道http://www.cnblogs.com/sevecol/http://www.cnblogs.com/sevecol/archive/2006/03/25/358847.htmlGDC 2006 Microsoft Developer Day PresentationsDirectX Presentations连接:http://msdn.microsoft.com/directx/presentations/2006-03-25T14:06:00Z2006-03-25T14:06:00Z胡说八道http://www.cnblogs.com/sevecol/http://www.cnblogs.com/sevecol/archive/2005/12/16/298539.html天空的颜色和大气散射天空的颜色采用"A Practical Analytic Model for Daylight"建造的模型计算。地形颜色的大气散射采用"Rendering Outdoor Lght Scattering in real Time"介绍的方法计算。A Practical Analytic Model for Daylight中的模型通过太阳的方位，Zenith的颜色(Yxy空间)来计算天空中没个方向...2005-12-16T07:08:00Z2005-12-16T07:08:00Z胡说八道http://www.cnblogs.com/sevecol/http://www.cnblogs.com/sevecol/archive/2005/08/20/219081.html引擎渲染截图 -地形几何采用GeoMipMap样式的LOD渲染采用1 Absorb Map(AlphaforAO)2 1-4 layers Detail Map3 Diffuse Cube Map4 Shadow Map5 Atmospheric Scattering2005-08-20T06:36:00Z2005-08-20T06:36:00Z胡说八道http://www.cnblogs.com/sevecol/http://www.cnblogs.com/sevecol/archive/2005/08/08/210279.html引擎渲染截图人物渲染使用PRT,每个顶点保存16个系数with Diffusewithout Diffuse2005-08-08T12:44:00Z2005-08-08T12:44:00Z胡说八道http://www.cnblogs.com/sevecol/http://www.cnblogs.com/sevecol/archive/2005/08/04/207662.htmlTrapezoidal Shadow Map(3) 上面图中右上角为Shadow Map.使用TSM做Self-Shadow时需要注意ShadowMap保存和第二步用于比较的Depth不要转换到trapezoidal space中,只转换x和y就行了.计算trapezoidal和LPPS->trapezoidal space的代码修正后为:HRESULT CTrapezoidalShadowMap::ComputeTrapezoidalMat...2005-08-04T13:02:00Z2005-08-04T13:02:00Z胡说八道http://www.cnblogs.com/sevecol/http://www.cnblogs.com/sevecol/archive/2005/08/03/206813.htmlTrapezoidal Shadow Map(2) 中间的红色框包起来的是在light's post−perspective space中的视锥,红色框是构造出的trapezoidal,外围的是在trapezoidal space中的视锥.其中蓝色的表示视锥的Near Plane,绿色的表示Far Plane和边.通过视锥计算梯形的代码:HRESULT CTrapezoidalShadowMap::ComplteLightPostPer...2005-08-03T09:42:00Z2005-08-03T09:42:00Z胡说八道http://www.cnblogs.com/sevecol/http://www.cnblogs.com/sevecol/archive/2005/08/03/206136.htmlTrapezoidal Shadow Map(1)在light’s post−perspective space中根据视锥构建的梯形,为了方便表示,贴了一张贴图表示.贴图中的Top表示靠近视锥前截面的梯形的上底,Bottom表示靠近视锥后截面的梯形的下底.梯形转换到trapezoidal space后的显示情况light’s post−perspective space->trapezoida...2005-08-02T16:32:00Z2005-08-02T16:32:00Z胡说八道http://www.cnblogs.com/sevecol/http://www.cnblogs.com/sevecol/archive/2005/07/29/202403.htmlMeltdown 2005 Presentations Meltdown2005PresentationsGetuptodatewiththelatestpresentationsfromMeltdown2005.AllpresentationsgivenattheWindows,Graphics,VisualStudio,andBusiness/Publishertracksareavailableforimmediatedownload.http:...2005-07-28T16:46:00Z2005-07-28T16:46:00Z胡说八道http://www.cnblogs.com/sevecol/