export interface DiscProperties {
    x: number;
    y: number;
    xspeed: number;
    yspeed: number;
    xgravity: number;
    ygravity: number;
    radius: number;
    bCoeff: number;
    invMass: number;
    damping: number;
    color: number;
    cMask: number;
    cGroup: number;
}