OptionalbOptionalcThe new collision group of the disc.
OptionalcThe new collision mask of the disc.
OptionalcolorThe new color of the disc.
OptionaldampingThe new damping of the disc.
OptionalgravityThe new gravity (acceleration) of the disc.
OptionalinvThe new inverse mass of the disc.
OptionalposThe new position of the disc.
OptionalradiusThe new radius of the disc.
OptionalspeedThe new speed of the disc.
The new bouncing coefficient of the disc.