Fixed bugs with compass.
Fixed bugs with compass.

quentinyang/pannellum,Benvii/pannellum,quentinyang/pannellum,psteph801/psteph801.github.io,ywjrg/pannellum,eric-seekas/pannellum,psteph801/psteph801.github.io,ywjrg/pannellum,ywjrg/pannellum,ywjrg/pannellum,mpetroff/pannellum,eric-seekas/pannellum,Benvii/pannellum,mpetroff/pannellum,riuson/pannellum,riuson/pannellum,mpetroff/pannellum,mpetroff/pannellum,psteph801/psteph801.github.io,eric-seekas/pannellum,riuson/pannellum,Benvii/pannellum,quentinyang/pannellum,riuson/pannellum,psteph801/psteph801.github.io,Benvii/pannellum,eric-seekas/pannellum,quentinyang/pannellum