function SweepVolume(boundingVolume) {
    this._boundingVolume = boundingVolume;
    this._ID = boundingVolume._ID;
    this.points = {
        x: [{_ID: boundingVolume._ID, side: 0, value: null}, {_ID: boundingVolume._ID, side: 1, value: null}],
        y: [{_ID: boundingVolume._ID, side: 0, value: null}, {_ID: boundingVolume._ID, side: 1, value: null}],
        z: [{_ID: boundingVolume._ID, side: 0, value: null}, {_ID: boundingVolume._ID, side: 1, value: null}]
    };
    this.update();
}
Object used to associate an AABB with its endpoints in the sorted lists.

@class SweepVolume
@param {AABB} boundingVolume The bounding volume to track.