CharacterController.radius 半径

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public CharacterController controller;
	public void Awake() {
		controller = GetComponent<CharacterController>();
		controller.radius = 0.3F;
	}
}

//设置控制器的半径为0.3
var controller : CharacterController;
controller = GetComponent(CharacterController);
controller.radius = 0.3;