Reference MomentForCircle

Mass and area helpers, which are useful when setting the mass and moment of a body directly instead of using the density of its shapes. Circles use an inner and outer radius, where a solid circle has an inner radius of 0.

function MomentForCircle(Mass, InnerRadius, OuterRadius: Float): Float; overload;

function MomentForCircle(Mass, InnerRadius, OuterRadius: Float; const Offset: TVec2): Float; overload;