00001 /*code for sky color, and arial perspective 00002 Adapted from 00003 00004 "A Practical Analytic Model For Daylight" 00005 00006 A.J. Preetham Peter Shirley BrianSmits 00007 00008 University of Utah 00009 00010 */ 00011 00012 00013 00014 #include "GXStandardDefines.h" 00015 00016 00017 class CGXSkyColorer 00018 { 00019 public: 00020 CGXSkyColorer(); 00021 virtual ~CGXSkyColorer(); 00022 00023 virtual bool 00024 00025 00026 00027 00028 00029