第一人称控制器

using UnityEngine;
using System.Collections;
using System;

public class Move : MonoBehaviour {

Transform head;
public float speed = 10f;
Rigidbody self;
public float rotateSpeed = 10f;
// Use this for initialization
void Start () {

self = gameObject.GetComponent<Rigidbody>();   //物体自带钢体 这里获得钢体组件
head = GameObject.Find("Head").transform;  
}

// Update is called once per frame
void Update () {

MoveH();

rotate();

}

private void rotate()
{
float MouseX = Input.GetAxis("Mouse X");
float MouseY = Input.GetAxis("Mouse Y");

transform.Rotate(Vector3.up * MouseX * rotateSpeed);
head.Rotate(-Vector3.right * MouseY * rotateSpeed);   //注意负号  
}

void MoveH()
{
float horizontal = Input.GetAxis("Horizontal");
float vertical = Input.GetAxis("Vertical");

Vector3 v = (transform.forward * vertical + transform.right *horizontal ) * speed * Time.deltaTime;
self.velocity = v;    //钢体速度避免穿墙
}

}