set( start, end, radius ) {

		this.start.copy( start );
		this.end.copy( end );
		this.radius = radius;

		return this;

	}
Sets the capsule components to the given values.
Please note that this method only copies the values from the given objects.

@param {Vector3} start - The start vector.
@param {Vector3} end - The end vector
@param {number} radius - The capsule's radius.
@return {Capsule} A reference to this capsule.