Fix for 3-3 tree/cloud overlapping
Fix for 3-3 tree/cloud overlapping

Fixes #174.

janson123/FullScreenMario,ogregoire/FullScreenMario,bx5974/FullScreenMario,andrewerb/FullScreenMario,shuidong/FullScreenMario,janson123/FullScreenMario,rmallols/FullScreenMario,andrewerb/FullScreenMario,ajrulez/FullScreenMario-1,ajrulez/FullScreenMario-1,daivee/FullScreenMario,vaikan/FullScreenMario-JSON,sushilkumaraitian/FullScreenMario,chensj1901/FullScreenMario,shuidong/FullScreenMario,eross/FullScreenMario,andrewerb/FullScreenMario,rmallols/FullScreenMario,eross/FullScreenMario,vaikan/FullScreenMario-JSON,daivee/FullScreenMario,sushilkumaraitian/FullScreenMario,janson123/FullScreenMario,shuidong/FullScreenMario,ajrulez/FullScreenMario-1,bx5974/FullScreenMario,chensj1901/FullScreenMario,bx5974/FullScreenMario,eross/FullScreenMario,chensj1901/FullScreenMario,sushilkumaraitian/FullScreenMario,vaikan/FullScreenMario-JSON,daivee/FullScreenMario,ogregoire/FullScreenMario,rmallols/FullScreenMario,ogregoire/FullScreenMario