Spot光照资料

http://forums.autodesk.com/t5/FBX-SDK/EmissiveFactor-AmbientFactor-DiffuseFactor/td-p/4230572
http://www.ozone3d.net/tutorials/glsl_lighting_phong_p3.php

原文地址:https://www.cnblogs.com/lilei9110/p/3450103.html