父对象沿 1 轴的统一旋转

Question

我正在开发一款游戏，我目前的障碍是相机旋转。我想让鼠标控制相机，当相机转动时，我也想旋转播放器。但是，我使用的代码会随着播放器完全旋转播放器对象，导致播放器像这样转动：

向前旋转的玩家不仅看起来很奇怪，而且会导致地形出现裁剪问题。如何使我的代码仅沿一个轴旋转播放器，同时允许相机沿任何轴旋转（以允许观众环顾四周，而不会向上或向下旋转播放器对象）。

这是旋转播放器的代码：

Quaternion QT = Quaternion.Euler(_LocalRotation.y, _LocalRotation.x, 0);
    this._XForm_Parent.rotation = Quaternion.Lerp(this._XForm_Parent.rotation, QT, Time.deltaTime * OrbitDampening);

    if (this._XForm_Camera.localPosition.z != this._CameraDistance * -1f)
    {
        this._XForm_Camera.localPosition = new Vector3(0f, 0f, Mathf.Lerp(this._XForm_Camera.localPosition.z, this._CameraDistance * -1f, Time.deltaTime * ScrollDampening));
    }

这是我正在使用的完整脚本：

using System.Collections;

使用 System.Collections.Generic； 使用 UnityEngine；

公共类 CameraOrbit : MonoBehaviour {

protected Transform _XForm_Camera;
protected Transform _XForm_Parent;

protected Vector3 _LocalRotation;
protected float _CameraDistance = 10f;

public float MouseSensitivity = 4f;
public float ScrollSensitvity = 2f;
public float OrbitDampening = 10f;
public float ScrollDampening = 6f;

public bool CameraDisabled = false;


// Use this for initialization
void Start()
{
    this._XForm_Camera = this.transform;
    this._XForm_Parent = this.transform.parent;
}


void LateUpdate()
{
    if (Input.GetKeyDown(KeyCode.LeftShift))
        CameraDisabled = !CameraDisabled;

    if (!CameraDisabled)
    {
        //Rotation of the Camera based on Mouse Coordinates
        if (Input.GetAxis("Mouse X") != 0 || Input.GetAxis("Mouse Y") != 0)
        {
            _LocalRotation.x += Input.GetAxis("Mouse X") * MouseSensitivity;
            _LocalRotation.y += Input.GetAxis("Mouse Y") * MouseSensitivity;

            //Clamp the y Rotation to horizon and not flipping over at the top
            if (_LocalRotation.y < 0f)
                _LocalRotation.y = 0f;
            else if (_LocalRotation.y > 90f)
                _LocalRotation.y = 90f;
        }
        //Zooming Input from our Mouse Scroll Wheel
        if (Input.GetAxis("Mouse ScrollWheel") != 0f)
        {
            float ScrollAmount = Input.GetAxis("Mouse ScrollWheel") * ScrollSensitvity;

            ScrollAmount *= (this._CameraDistance * 0.3f);

            this._CameraDistance += ScrollAmount * -1f;

            this._CameraDistance = Mathf.Clamp(this._CameraDistance, 1.5f, 100f);
        }
    }
    //Actual Camera Rig Transformations
    Quaternion QT = Quaternion.Euler(_LocalRotation.y, _LocalRotation.x, 0);
    this._XForm_Parent.rotation = Quaternion.Lerp(this._XForm_Parent.rotation, QT, Time.deltaTime * OrbitDampening);

    if (this._XForm_Camera.localPosition.z != this._CameraDistance * -1f)
    {
        this._XForm_Camera.localPosition = new Vector3(0f, 0f, Mathf.Lerp(this._XForm_Camera.localPosition.z, this._CameraDistance * -1f, Time.deltaTime * ScrollDampening));
    }


}

}

我的阶层图： （请注意，Player 是一个空对象，包含我所有的脚本和物理组件，而 GFXs 组件只是模型，其中包含一个没有任何物理组件的动画组件。）

Answer 1

听起来您想要的基本上是围绕其局部 Y 轴旋转播放器，直到它面向与相机相同的方向。您可以使用Vector3.SignedAngle 并通过您关心的轴来了解事物是否朝向相同的方向。这是一些示例代码，应该可以帮助您。

float turnThresholdDegrees = 15;
float playerTurnSpeed = 1;

// Get delta angle in degrees on the Y axis between the direction player is facing and the direction camera is facing
float angleDelta = Vector3.SignedAngle(player.transform.forward, camera.transform.forward, Vector3.up);

// Calculate a rotation speed, clamping it to 0 when the angle delta is < some threshold
float rotateSpeed = Mathf.Abs(angleDelta) > turnThresholdDegrees ? Mathf.Sign(angleDelta) * playerTurnSpeed : 0;

// Rotate the player around its local Y axis by the rotation speed
player.transform.Rotate(0, rotateSpeed * Time.deltaTime, 0, Space.Self);