ogre天空和雾

mSceneMgr->setSkyBox(true, "Examples/SpaceSkyBox"); //设置天空盒
mSceneMgr->setSkyDome(true, "Examples/CloudySky", 5.0f, 8.0f); //设置天空穹
Plane plane;
plane.d = 1000.0f;
plane.normal = Vector3::NEGATIVE_UNIT_Y;
mSceneMgr->setSkyPlane(true, plane, "Examples/CloudySky", 1500.0f, 75.0f); //设置天空面

设置雾：mSceneMgr->setFog(FOG_LINEAR, fadeColour, 0.0f, 50.0f, 500.0f);
mSceneMgr->setFog(FOG_EXP, fadeColour, 0.005f);
mSceneMgr->setFog(FOG_EXP2, fadeColour, 0.003f);