Chinar 教程效果：

同一个脚本，同时实现拖动视角平移、竖轴限定俯仰角

1

ChinarCamera —— 相机视角专用脚本

Unity 3D第三人称视角、视野竖轴限定角度，用途广泛!

之前做的第三人称视角，如果还不能满足你的要求

那么这个脚本的分离、封装，且高度自定义性，应该足够满足市面上大多数游戏对视角的要求

Chinar 已经对 脚本 进行了极为简化的封装

using UnityEngine;using UnityEngine.EventSystems;/// <summary>/// 枚举按钮操作类型/// </summary>public enum ButtonType{    Up,    Down,    Left,    Right,    Near,    Far,    Null}/// <summary>/// Chinar相机专用脚本：挂载到相机上/// </summary>public class ChinarCamera : MonoBehaviour{    public        Transform  pivot;                            // 被跟踪的对象：当前无用：留作扩展    public        Vector3    pivotOffset    = Vector3.zero;    // 与目标的偏移量    public        float      distance       = 15.0f;           // 距目标距离(使用变焦)    public        float      minDistance    = 2f;              //最小距离    public        float      maxDistance    = 15f;             //最大距离    public        float      zoomSpeed      = 1f;              //速度倍率    public        float      NFzoomSpeed    = 20f;             //远近速度倍率    public        float      xSpeed         = 250.0f;          //x速度    public        float      ySpeed         = 120.0f;          //y速度    public        bool       allowYTilt     = true;            //允许Y轴倾斜    public        float      yMinLimit      = -90f;            //相机向下最大角度    public        float      yMaxLimit      = 90f;             //相机向上最大角度    private       float      x              = 0.0f;            //x变量    private       float      y              = 0.0f;            //y变量    private       float      targetX        = 0f;              //目标x    private       float      targetY        = 0f;              //目标y    private       float      targetDistance = 0f;              //目标距离    private       float      xVelocity      = 1f;              //x速度    private       float      yVelocity      = 1f;              //y速度    private       float      zoomVelocity   = 1f;              //速度倍率    public        float      testSpeed      = 30f;             //用于外部动态测试相机速度    public        ButtonType buttonType     = ButtonType.Null; //默认为空操作    public static bool       isStart        = true;            //默认第一次开始,另外通过控制此变量可重置视角    private       Main       main;    void Start()    {        if (Game .Find("Global s"))        {            main = Game .Find("Global s").GetComponent<Main>();        }        var angles     = transform.eulerAngles;        targetX        = x = angles.x;        targetY        = y = ClampAngle(angles.y, yMinLimit, yMaxLimit);        targetDistance = distance;        isStart        = true; //默认第一次启动    }    /// <summary>    /// 相机的控制写在Late比较好    /// </summary>    void LateUpdate()    {        if (Game .Find("Global s"))        {            if (main.userOp == OperationState.HandMove)             {                if (Input.GetMouseButtonUp(0))                {                    pivot.SetParent(null);                }                if (Input.GetMouseButton(0) && !EventSystem.current.IsPointerOverGame ())                {                    pivot.SetParent(Camera.main.transform);                    float x;                    float y;                    x = Input.GetAxis("Mouse X");                    y = Input.GetAxis("Mouse Y");                    transform.Translate(new Vector3(-x, -y, 0) * Time.deltaTime * 10);                    return;                }            }            else            {                pivot.parent = null;            }        }        if (!EventSystem.current.IsPointerOverGame ())        {            GunLun();            MouseControlCamera();        }        switch (buttonType)        {            case ButtonType.Up:                SetDirectional(0);                break;            case ButtonType.Down:                SetDirectional(1);                break;            case ButtonType.Left:                SetDirectional(2);                break;            case ButtonType.Right:                SetDirectional(3);                break;            case ButtonType.Near:                SetDirectional(4);                break;            case ButtonType.Far:                SetDirectional(5);                break;            case ButtonType.Null:                break;        }        AddTransform();    }    /// <summary>    /// 根据点击按钮类型，设置方向    /// </summary>    /// <param name="arg"></param>    void SetDirectional(int arg)    {        switch (arg)        {            case 0:                targetY += testSpeed * 0.02f * Time.deltaTime;                break;            case 1:                targetY -= testSpeed * 0.02f * Time.deltaTime;                break;            case 2:                targetX += testSpeed * 0.04f * Time.deltaTime;                break;            case 3:                targetX -= testSpeed * 0.04f * Time.deltaTime;                break;            case 4:                if (targetDistance <= minDistance) break;                targetDistance -= NFzoomSpeed * Time.deltaTime;                break;            case 5:                if (targetDistance >= maxDistance) break;                targetDistance += NFzoomSpeed * Time.deltaTime;                break;        }    }    /// <summary>    /// 鼠标控制镜头    /// </summary>    void MouseControlCamera()    {        if (Input.GetMouseButton(1)) //鼠标右键        {            targetX += Input.GetAxis("Mouse X") * xSpeed * 0.02f;            targetY -= Input.GetAxis("Mouse Y") * ySpeed * 0.02f;        }    }    /// <summary>    /// 添加矩阵信息    /// </summary>    void AddTransform()    {        if (isStart)        {            //默认第一次启动的位置            targetX = 178f;            targetY = 36.956f;            isStart = false;        }        targetY             = ClampAngle(targetY, yMinLimit, yMaxLimit);        Quaternion rotation = Quaternion.Euler(targetY, targetX, 0);        transform.rotation  = rotation;        transform.position  = rotation * new Vector3(0.0f, 0.0f, -targetDistance) + pivot.position + pivotOffset;    }    /// <summary>    /// 滚轮放大缩小    /// </summary>    void GunLun()    {        float scroll                      = Input.GetAxis("Mouse ScrollWheel");        if (scroll > 0.0f) targetDistance -= zoomSpeed;        else if (scroll < 0.0f)            targetDistance += zoomSpeed;        targetDistance     =  Mathf.Clamp(targetDistance, minDistance, maxDistance);    }    /// <summary>    /// 限定范围    /// </summary>    /// <param name="angle"></param>    /// <param name="min"></param>    /// <param name="max"></param>    /// <returns></returns>    private float ClampAngle(float angle, float min, float max)    {        if (angle < -360) angle += 360;        if (angle > 360) angle  -= 360;        return Mathf.Clamp(angle, min, max);    }    /// <summary>    /// 镜头方向控制    /// </summary>    public void DirectionalControl(int arg)    {        switch (arg)        {            case 0:                buttonType = ButtonType.Up;                break;            case 1:                buttonType = ButtonType.Down;                break;            case 2:                buttonType = ButtonType.Left;                break;            case 3:                buttonType = ButtonType.Right;                break;            case 4:                buttonType = ButtonType.Null;                break;            case 5: //近                buttonType = ButtonType.Near;                break;            case 6: //远                buttonType = ButtonType.Far;                break;            case 7: //重置视野                targetDistance = 15;                break;        }    }}

拖动视角平移

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