Included features to help support Shadow Mapping later
Included features to help support Shadow Mapping later

AGoodGameMaker/https-github.com-BennyQBD-3DEngineCpp,guiviko/GameEngine,guiviko/GameEngine,BennyQBD/3DEngineCpp,BennyQBD/3DEngineCpp,BennyQBD/3DEngineCpp,AGoodGameMaker/https-github.com-BennyQBD-3DEngineCpp,guiviko/GameEngine,AGoodGameMaker/https-github.com-BennyQBD-3DEngineCpp