Sets/Gets how the AudioSource attenuates over distance.

	function Start() {
		audio.rolloffMode = AudioRolloffMode.Linear;
	}

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Start() {
        audio.rolloffMode = AudioRolloffMode.Linear;
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Start() as void:
		audio.rolloffMode = AudioRolloffMode.Linear