/**
 * R3.API.Sphere
 * @constructor
 * @param center
 * @param radius
 */
R3.API.Sphere = function (
    center,
    radius
) {
    if (R3.Utils.UndefinedOrNull(center)) {
        center = new R3.API.Vector3(0,0,0);
    }
    this.center = center;

    if (R3.Utils.UndefinedOrNull(radius)) {
        radius = 1;
    }
    this.radius = radius;
};