这是控制移动的代码，还没做完

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerMove : View {

	#region 常量
	const float grivaty = 9.8f;				//重力	
	const float m_jumpValue = 5f;
	const float m_moveSpeed = 13f;			//左右横跳速度

	const float m_SpeedAddDis = 200;		//每隔多少米加速度
	const float m_SpeedAddRate = 0.5f;		//加速度（关卡越高，速度越快）
	const float m_MaxSpeed = 40f;			//最大速度

	#endregion

	#region 事件
	#endregion

	#region 字段

	public float speed = 20;	//原始速度
	CharacterController m_cc;
	InputDirection m_inputDir = InputDirection.NULL;
	bool activeInput = false;
	/// <summary>
	/// 起始位置
	/// </summary>
	Vector3 m_mousePos;
	int m_nowIndex;
	public int m_targetIndex = 1;
	float m_xDistance;			//左右横跳距离
	float m_yDistance;			//上跳高度


	bool m_isSlide = false;		//是否在滑动状态
	float m_slideTime;			//滑动时间

	float m_SpeedAddCount;		//距离下次加速度前累积走了多少米

	GameModel gm;
	//被撞后的减速再加速过程
	//记录速度
	float m_MaskSpeed;
	//增加速度的速率
	float m_AddRate = 10f;
	//是否撞击
	bool m_IsHit = false;
	#endregion

	#region 属性

	public override string Name{	get{ return Const.V_PlayerMove;}}

	public float Speed{
		get{ return speed;}
		set{ 
			speed = value;
			if (speed > m_MaxSpeed) {
				speed = m_MaxSpeed;
			}
		}
	}
	#endregion

	#region 方法

	#region 移动
	IEnumerator UpdateAction(){
		while (true) {
			if (!gm.IsPause && gm.IsPlay) {
				m_yDistance -= grivaty * Time.deltaTime;//模拟下落重力	
				m_cc.Move ((transform.forward * speed + new Vector3(0,m_yDistance,0)) * Time.deltaTime);
				MoveControl ();
				UpdatePosition ();
				UpdateSpeed ();
			}
			yield return 0;
		}
	}

	/// <summary>
	/// 获取输入
	/// </summary>
	void GetInputDirection(){
		m_inputDir = InputDirection.NULL;
		//手势识别
		//初始按下，记录按下时位置
		if(Input.GetMouseButtonDown(0)){
			activeInput = true;
			m_mousePos = Input.mousePosition;//鼠标在屏幕上的位置
		}
		//滑动
		if (Input.GetMouseButton (0) && activeInput) {
			//滑动后位置-起始位置 = 偏移向量
			Vector3 Dir = Input.mousePosition - m_mousePos;
			if(Dir.magnitude > 20){
				//手势向右或右上方向
				if(Mathf.Abs(Dir.x) > Mathf.Abs(Dir.y) && Dir.x > 0){
					m_inputDir = InputDirection.Right;
				}else if(Mathf.Abs(Dir.x) > Mathf.Abs(Dir.y) && Dir.x < 0){//手势向左或左上方向
					m_inputDir = InputDirection.Left;
				}else if(Mathf.Abs(Dir.x) < Mathf.Abs(Dir.y) && Dir.y > 0){//手势向上
					m_inputDir = InputDirection.Up;
				}else if(Mathf.Abs(Dir.x) < Mathf.Abs(Dir.y) && Dir.y < 0){//手势向下
					m_inputDir = InputDirection.Down;
				}
				activeInput = false;
			}
		}

		//键盘识别
		if (Input.GetKeyDown (KeyCode.W) || Input.GetKeyDown (KeyCode.Space)) {
			m_inputDir = InputDirection.Up;
		} else if (Input.GetKeyDown (KeyCode.S)) {
			m_inputDir = InputDirection.Down;
		} else if (Input.GetKeyDown (KeyCode.A)) {
			m_inputDir = InputDirection.Left;
		} else if (Input.GetKeyDown (KeyCode.D)) {
			m_inputDir = InputDirection.Right;
		}
		print (m_inputDir);
	}

	//更新位置
	void UpdatePosition(){
		GetInputDirection ();
		switch (m_inputDir) {
		case InputDirection.NULL:
			break;
		case InputDirection.Right:	//跳向右边
			if (m_targetIndex < 2) {
				Game.Instance.sound.PlayEffectBG ("Se_UI_Huadong");
				m_targetIndex++;
				m_xDistance = 2;
				SendMessage ("AnimManager", m_inputDir);
			}
			break;
		case InputDirection.Left:	//跳向左边
			if (m_targetIndex > 0) {
				Game.Instance.sound.PlayEffectBG ("Se_UI_Huadong");
				m_targetIndex--;
				m_xDistance = -2;
				SendMessage ("AnimManager", m_inputDir);
			}
			break;
		case InputDirection.Down:
			if (m_isSlide == false) {
				Game.Instance.sound.PlayEffectBG ("Se_UI_Slide");
				m_isSlide = true;
				m_slideTime = 0.733f;
				SendMessage ("AnimManager", m_inputDir);
			}
			break;
		case InputDirection.Up:
			if (m_cc.isGrounded) {
				Game.Instance.sound.PlayEffectBG ("Se_UI_Jump");
				m_yDistance = m_jumpValue;
				SendMessage ("AnimManager", m_inputDir);
			}
			break;
		default:
			break;
		}
	}//UpdatePosition_end


	//移动
	void MoveControl(){
		//左右移动
		if (m_targetIndex != m_nowIndex) {
			float move = Mathf.Lerp (0, m_xDistance, Time.deltaTime * m_moveSpeed);
			transform.position += new Vector3 (move, 0, 0);
			m_xDistance -= move;//插值永远不会等于最终值
			if(Mathf.Abs(m_xDistance) < 0.05){	//往左为负值
				m_xDistance = 0;
				m_nowIndex = m_targetIndex;
				switch(m_nowIndex)
				{
					case 0:
						transform.position = new Vector3 (-2, transform.position.y, transform.position.z);
						break;
					case 1:
						transform.position = new Vector3 (0, transform.position.y, transform.position.z);
						break;
					case 2:
						transform.position = new Vector3 (2, transform.position.y, transform.position.z);
						break;
				}
			}
		}//if_end

		if (m_isSlide) {
			m_slideTime -= Time.deltaTime;
			if (m_slideTime < 0) {
				m_isSlide = false;
				m_slideTime = 0;
			}
		}
	}

	//更新速度
	void UpdateSpeed(){
		m_SpeedAddCount += speed * Time.deltaTime;
		if (m_SpeedAddCount > m_SpeedAddDis) {
			m_SpeedAddCount = 0;
			speed += m_SpeedAddRate;
		}
	}
	#endregion

	//减速
	public void HitObstacles(){
		if (m_IsHit)
			return;
		m_IsHit = true;
		m_MaskSpeed = speed;
		Speed = 0;
		StartCoroutine (DecreaseSpeed ());
	}

	IEnumerator DecreaseSpeed(){
		while(speed <= m_MaskSpeed){
			Speed += Time.deltaTime * m_AddRate;
			yield return 0;
		}
		m_IsHit = true;
	}

	#endregion

	#region Unity回调

	private void OnTriggerEnter(Collider other){
		if(other.gameObject.tag == Tag.smallFence){
			other.gameObject.SendMessage ("HitPlayer",transform.position);
			HitObstacles ();
			Game.Instance.sound.PlayEffectBG("Se_UI_Hit");
		}else if(other.gameObject.tag == Tag.bigFence){
			if(m_isSlide)
				return;
			other.gameObject.SendMessage ("HitPlayer",transform.position);
			Game.Instance.sound.PlayEffectBG("Se_UI_Hit");
			HitObstacles ();
		}else if(other.gameObject.tag == Tag.block){//撞到集装箱
			Game.Instance.sound.PlayEffectBG("Se_UI_End");
			other.gameObject.SendMessage ("HitPlayer",transform.position);

			//sendEvent 游戏结束
			SendEvent(Const.E_EndGame);
		}else if(other.gameObject.tag == Tag.smallBlock){//撞到集装箱侧面
			Game.Instance.sound.PlayEffectBG("Se_UI_End");
			other.transform.parent.parent.gameObject.SendMessage ("HitPlayer",transform.position);

			//sendEvent 游戏结束
			SendEvent(Const.E_EndGame);
		}else if(other.gameObject.tag == Tag.beforTrigger){//撞到集装箱侧面
			other.transform.parent.parent.gameObject.SendMessage ("HitTrigger",transform.position);

			//sendEvent 游戏结束
			SendEvent(Const.E_EndGame);
		}
	}

	private void Awake(){
		m_cc = GetComponent<CharacterController> ();
		gm = GetModel<GameModel> ();
	}

	private void Start(){
		StartCoroutine (UpdateAction ());
		
	}

	void Update(){
		//测试是否暂停
		// if (Input.GetKeyDown (KeyCode.V)) {
		// 	 gm.IsPause = true;
		// 	 Game.Instance.objectPool.Spawn("Block_People",pos);
		// }
//		if (Input.GetKeyDown (KeyCode.M)) {
//			gm.IsPause = false;
//		}
	}

	#endregion

	#region 事件回调

	public override void HandleEvent (string name, object data)
	{

	}

	#endregion

	#region 帮助方法
	#endregion



}

这是player的所有设置

之前以为是coilider的问题，但是把coilider抬高了一样掉到地下去