Unity_角色控制详解

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Unity_角色控制详解

1、CharacterController 角色控制器

最简单最常用的的方式。

using UnityEngine;using System.Collections;public class PlayerMove : MonoBehaviour {    private CharacterController cc;    public float speed = 10;    private Animator animator;    void Awake()    {        cc = this.GetComponent<CharacterController>();        animator = this.GetComponent<Animator>();    }// Use this for initializationvoid Start () {}// Update is called once per frame    void Update()    {        float h = Input.GetAxis("Horizontal");        float v = Input.GetAxis("Vertical");        if (Joystick.h != 0 || Joystick.v != 0)        {            h = Joystick.h;            v = Joystick.v;        }        if (Mathf.Abs(h) > 0.1f || Mathf.Abs(v) > 0.1f)        {            animator.SetBool("walk", true);            if (animator.GetCurrentAnimatorStateInfo(0).IsName("PlayerRun"))            {                Vector3 targetDir = new Vector3(-v, 0, h);                transform.LookAt(transform.position + targetDir);                cc.SimpleMove(targetDir * speed);            }        }        else        {            animator.SetBool("walk", false);        }    }}

using UnityEngine;using System.Collections; [RequireComponent(typeof(CharacterController))]public class ExampleClass : MonoBehaviour {    public float speed = 3.0F;    public float rotateSpeed = 3.0F;    void Update() {        CharacterController controller = GetComponent<CharacterController>();        transform.Rotate(0, Input.GetAxis("Horizontal") * rotateSpeed, 0);        Vector3 forward = transform.TransformDirection(Vector3.forward);        float curSpeed = speed * Input.GetAxis("Vertical");        controller.SimpleMove(forward * curSpeed);    }}

2、Rigidbody 刚体

刚体是另一种控制方式。操作时注意可以锁定刚体x/y/z/轴的角度旋转，和y轴的position。

下面使用一个官方的demo：

void FixedUpdate(){float moveHorizontal = Input.GetAxis("Horizontal");float moveVertical = Input.GetAxis("Vertical");Vector3 movement = new Vector3(moveHorizontal,0.0f,moveVertical);GetComponent<Rigidbody>().velocity = movement;}

3、动画控制。

动画往往是这样的：比如一个walk的动画。当执行这个动画时，我们的角色就会向前walk，从而产生位移。所以通过控制动画的播放。可以达到控制角色的目的。

动画状态机。如下：

Demo：

using UnityEngine;using System.Collections;public class Player : MonoBehaviour {       public float moveSpeed = 4;    public Animator anim;// Use this for initializationvoid Awake () {        anim = this.GetComponent<Animator>();}// Update is called once per framevoid Update () {        float h = Input.GetAxis("Horizontal");        float v = Input.GetAxis("Vertical");        if (Input.GetKey(KeyCode.LeftShift))        {            anim.SetBool("Sneak", true);                    }        else        {            anim.SetBool("Sneak", false);                    }        if (Mathf.Abs(h) > 0.1 || Mathf.Abs(v) > 0.1)        {            float newSpeed = Mathf.Lerp(anim.GetFloat("Speed"),                 5.6f, moveSpeed * Time.deltaTime);            anim.SetFloat("Speed", newSpeed);            Vector3 targetDir = new Vector3(h,0,v);            Quaternion newRotation = Quaternion.LookRotation(targetDir, Vector3.up);            transform.rotation = Quaternion.Lerp(transform.rotation, newRotation, 10);                            }        else        {            float newSpeed = Mathf.Lerp(anim.GetFloat("Speed"),                0, moveSpeed * Time.deltaTime*10);            anim.SetFloat("Speed", newSpeed);                }        if(anim.GetCurrentAnimatorStateInfo(0).IsName("locomotion")){            PlayFootMusic();        }        else        {            StopFootMusic();        }        }    void PlayFootMusic()    {        if (!audio.isPlaying)        {            audio.Play();        }    }    void StopFootMusic()    {        if (audio.isPlaying)        {            audio.Stop();        }    }}

以上代码则带到了目的。其中关键代码就是：

float newSpeed = Mathf.Lerp(anim.GetFloat("Speed"),                 5.6f, moveSpeed * Time.deltaTime);            anim.SetFloat("Speed", newSpeed);    //设置Speed为newSpeed，来控制状态机                        //以下代码达到转向的目的            Vector3 targetDir = new Vector3(h,0,v);            Quaternion newRotation = Quaternion.LookRotation(targetDir, Vector3.up);            transform.rotation = Quaternion.Lerp(transform.rotation, newRotation, 10);

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