https://ogrecave.github.io/ogre-next/api/2.1/class_ogre_1_1_default_shadow_camera_setup.html
OGRE: Ogre::DefaultShadowCameraSetup Class Reference
ogreclassreference
https://ogrecave.github.io/ogre-next/api/2.3/class_ogre_1_1_default_shadow_camera_setup.html
OGRE-Next: Ogre::DefaultShadowCameraSetup Class Reference
ogrenextclassreference