小白的Unity5之路(一)

Player移动:

public float speed = 6f;
Vector3 movement;
Rigidbody playerRididbody;

void FixedUpdate () {
        float h = Input.GetAxisRaw("Horizontal");
        float v = Input.GetAxisRaw("Vertical");
        Move(h, v);       
        Animating(h, v);
}
 void Move(float h, float v) {
        movement.Set(h, 0f, v);
        movement = movement.normalized * speed * Time.deltaTime;
        playerRididbody.MovePosition(transform.position + movement);
   }

通过h和v的值判断Player是否移动

void Animating(float h, float v) {

        bool walking = h != 0 || v != 0;   //判断Player是否移动

        anim.SetBool("IsWalking", walking);
    }

Player跟随鼠标旋转:

首先建立一个面片作为地板(Floor)层,Layer也要设置成Floor.

然后删除地板的Mesh Renderer组件

 

 

 

int floorMask;

  float camRayLength = 1000f;

同时还要获取Floor层

 floorMask = LayerMask.GetMask("Floor");

 //Camera.main.ScreenPointToRay方法向某位置发射一条射线，射线与地面碰撞体产生碰撞。取得碰撞点，然后旋转Player。

    void Truing() {

        Ray camRay = Camera.main.ScreenPointToRay(Input.mousePosition);//返回一条射线

        RaycastHit floorHit;

        if (Physics.Raycast(camRay, out floorHit, camRayLength, floorMask)) {

            Vector3 playerToMouse = floorHit.point - transform.position;

            playerToMouse.y = 0f;

            Quaternion newRotation = Quaternion.LookRotation(playerToMouse);

            playerRididbody.MoveRotation(newRotation);

        }

}

 

 

Raycast (ray : Ray, out hitInfo : RaycastHit, distance : float = Mathf.Infinity, layerMask : int = kDefaultRaycastLayers) 

参数
ray	射线的起点和方向
hitInfo	如果返回true，hitInfo将包含碰到器碰撞的更多信息。
distance	射线的长度
layerMask	只选定Layermask层内的碰撞器，其它层内碰撞器忽略。

 

 

 

完整代码:

using UnityEngine;

using System.Collections;

 

public class PlayerMovement : MonoBehaviour {

 

    public float speed = 6f;//人物移动速度

 

    Vector3 movement;

    Rigidbody playerRididbody;

    Animator anim;

 

    int floorMask;

    float camRayLength = 100f;

    void Awake() {

        floorMask = LayerMask.GetMask("Floor");

 

        playerRididbody = GetComponent<Rigidbody>();//获取Player身上的刚体

        anim = GetComponent<Animator>();//获取动画组件

    }

void Start () {

 

}

 

// Update is called once per frame

void FixedUpdate () {

        float h = Input.GetAxisRaw("Horizontal");

        float v = Input.GetAxisRaw("Vertical");

        Move(h, v);

        Truing();

        Animating(h, v);

    }

 

    //Camera.main.ScreenPointToRay方法向某位置发射一条射线，射线与地面碰撞体产生碰撞。取得碰撞点，然后旋转Player。

    void Truing() {

        Ray camRay = Camera.main.ScreenPointToRay(Input.mousePosition);//返回一条射线

        RaycastHit floorHit;

        if (Physics.Raycast(camRay, out floorHit, camRayLength, floorMask)) {

            Vector3 playerToMouse = floorHit.point - transform.position;

            playerToMouse.y = 0f;

            Quaternion newRotation = Quaternion.LookRotation(playerToMouse);

            playerRididbody.MoveRotation(newRotation);

        }

    }

 

    void Move(float h, float v) {

        movement.Set(h, 0f, v);

        movement = movement.normalized * speed * Time.deltaTime;

 

        playerRididbody.MovePosition(transform.position + movement);

    }

 

    void Animating(float h, float v) {

        bool walking = h != 0 || v != 0;   //判断Player是否移动

        anim.SetBool("IsWalking", walking);

    }

}