Fix scene fade bug with multires (fixes #158).
Fix scene fade bug with multires (fixes #158).

mpetroff/pannellum,psteph801/psteph801.github.io,mpetroff/pannellum,mpetroff/pannellum,psteph801/psteph801.github.io,psteph801/psteph801.github.io,mpetroff/pannellum,psteph801/psteph801.github.io