intersectsSphere( sphere ) {

		// find the point on the OBB closest to the sphere center

		this.clampPoint( sphere.center, closestPoint );

		// if that point is inside the sphere, the OBB and sphere intersect

		return closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );

	}
Returns `true` if the given bounding sphere intersects this OBB.

@param {Sphere} sphere - The bounding sphere to test.
@returns {boolean} - Whether the given bounding sphere intersects this OBB or not.