A little isPointInPolygon clean up.
A little isPointInPolygon clean up.

alex-dorokhov/libgdx,libgdx/libgdx,NathanSweet/libgdx,libgdx/libgdx,tommyettinger/libgdx,MikkelTAndersen/libgdx,alex-dorokhov/libgdx,MikkelTAndersen/libgdx,tommyettinger/libgdx,Zomby2D/libgdx,MikkelTAndersen/libgdx,bladecoder/libgdx,MikkelTAndersen/libgdx,NathanSweet/libgdx,bladecoder/libgdx,stinsonga/libgdx,alex-dorokhov/libgdx,bladecoder/libgdx,libgdx/libgdx,alex-dorokhov/libgdx,NathanSweet/libgdx,cypherdare/libgdx,stinsonga/libgdx,Zomby2D/libgdx,cypherdare/libgdx,tommyettinger/libgdx,cypherdare/libgdx,MikkelTAndersen/libgdx,MikkelTAndersen/libgdx,alex-dorokhov/libgdx,bladecoder/libgdx,Zomby2D/libgdx,tommyettinger/libgdx,tommyettinger/libgdx,cypherdare/libgdx,MikkelTAndersen/libgdx,NathanSweet/libgdx,Zomby2D/libgdx,alex-dorokhov/libgdx,cypherdare/libgdx,MikkelTAndersen/libgdx,bladecoder/libgdx,stinsonga/libgdx,alex-dorokhov/libgdx,alex-dorokhov/libgdx,stinsonga/libgdx,stinsonga/libgdx,NathanSweet/libgdx,libgdx/libgdx,libgdx/libgdx,Zomby2D/libgdx