221 lines
8.9 KiB
C#
221 lines
8.9 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using DG.Tweening;
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/********************************************************************************
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*Create By CG
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*Function 摄像机环绕某个物体旋转展示
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*鼠标滚轮:镜头远近-按住鼠标右键,拖动鼠标:摄像机绕某个物体上下左右旋转
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*********************************************************************************/
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namespace CG.UTility
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{
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public class CameraAroundCtrl : MonoBehaviour
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{
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/// <summary>
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/// 需要围绕的物体
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/// </summary>
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public Transform _CenObj;
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private float _rotSpeed = 5.12f;// 256.0f;
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public float _RotSpeed { get => _rotSpeed /** ZXK.GYJQR.GameManager.Instance._CurMouseFlexible*/; }
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private float _moveSpeed = 0.06f;// 3.0f;
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public float _MoveSpeed { get => _moveSpeed /** ZXK.GYJQR.GameManager.Instance._CurMouseFlexible*/; }
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private float _zoomSpeed = 1.6f;// 80.0f;
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public float _ZoomSpeed { get => _zoomSpeed /** ZXK.GYJQR.GameManager.Instance._CurMouseFlexible*/; }
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private float _minZoom = 2.0f;
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private float _maxZoom = 100f;
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private Vector2 _minViewPosXY = new Vector3(0.15f, 0.0f);
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private Vector3 _maxViewPosXY = new Vector3(0.85f, 0.95f);
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private float rotX = 0.0f;
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private float rotY = 0.0f;
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private float posX = 0.0f;
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private float posY = 0.0f;
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private float distance = 0.0f;
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private float doubleClickIntervalTime = 0.25f;
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private float clickTime = 0;
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private int clickCount = 0;
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private Vector3 _defaultCamPos;//相机初始位置
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private Quaternion _defaultCamRot;
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private float _defaultCamZoom;
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private Vector3 _defaultCenObjPos;//目标点初始位置
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private Quaternion _defaultCenObjRot;
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private bool _cameraReNewState = false;//相机正在恢复初始位置
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//是否禁止操作
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[ReadOnly]
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public bool _STRForbid = false;
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[ReadOnly]//点击操作说明或者系统设置后，禁止操作
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public bool _AllForbid = false;
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private void OnEnable()
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{
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_defaultCamPos = transform.position;
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_defaultCamRot = transform.rotation;
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_defaultCenObjPos = _CenObj.position;
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_defaultCenObjRot = _CenObj.rotation;
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ResetCameraInit();
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}
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private void Update()
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{
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Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
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if (!PopUpMng._TriAble) return;
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if (Input.GetMouseButtonDown(0) && !Physics.Raycast(ray, out RaycastHit rayHit)) // 鼠标左键点击//并且不能点击到物体
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{
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if (!_STRForbid && !EventSystem.current.IsPointerOverGameObject())
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{// 鼠标点击在场景空白处
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clickCount++;
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if (clickCount == 2 && Time.time - clickTime < doubleClickIntervalTime)
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{
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WDebug.Log("空白处双击");
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_cameraReNewState = true;
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//摄像机回归原位，方案一
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//Vector3[] temps = new Vector3[] { transform.position, _defaultCamPos };
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//transform.DOPath(temps, 1.0f).SetLookAt(_CenObj);
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//transform.DORotate(_defaultCamRot.eulerAngles, 1.0f);
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//摄像机回归原位，方案二
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_CenObj.SetParent(transform.parent);
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transform.SetParent(_CenObj);
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Sequence sequence = DOTween.Sequence();
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sequence.Append(transform.GetComponent<Camera>().DOFieldOfView(_defaultCamZoom, 1.0f))
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.Insert(0, _CenObj.DOMove(_defaultCenObjPos, 1.0f))
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.Insert(0, _CenObj.DORotate(_defaultCenObjRot.eulerAngles, 1.0f))
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.OnComplete(() =>
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{
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ResetCameraInit();
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transform.SetParent(_CenObj.parent);
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_CenObj.SetParent(transform);
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});
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clickCount = 0;
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clickTime = 0;
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}
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clickTime = Time.time; // 更新点击时间
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}
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}
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if (Time.time - clickTime > doubleClickIntervalTime)
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{
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clickCount = 0;
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clickTime = 0;
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}
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if (!_STRForbid
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&& EventSystem.current
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&& !EventSystem.current.IsPointerOverGameObject()
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&& !_cameraReNewState)
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{
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SetCamDistance();
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SetCamPosition();
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SetCamRotation();
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}
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}
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public void ResetCameraInit()
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{
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transform.position = Vector3.right * -2.0f;
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transform.rotation = Quaternion.Euler(0, 90, 0);
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//if (ZXK.GYJQR.GameManager.Instance._DataBJCJHandler._ShowPartsName.Value.Equals(ConstCtrl.BJCZ_MAINMODEL1_NAME))
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// _defaultCamZoom = 40;
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//else
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// _defaultCamZoom = 60;
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transform.GetComponent<Camera>().fieldOfView = _defaultCamZoom;
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Vector3 angles = transform.eulerAngles;
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rotX = angles.y;
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rotY = angles.x;
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Vector3 pos = transform.localPosition;
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posX = pos.x;
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posY = pos.y;
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distance = (transform.position - _CenObj.position).magnitude;
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_cameraReNewState = false;
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}
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/// <summary>
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/// 物体独显时调用摄像机方法
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/// </summary>
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/// <param name="pos"></param>
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/// <param name="size"></param>
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public void CameraToTarget(Vector3 pos,float size)
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{
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_cameraReNewState = true;
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_CenObj.SetParent(transform.parent);
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transform.SetParent(_CenObj);
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Sequence sequence = DOTween.Sequence();
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sequence.Append(transform.GetComponent<Camera>().DOFieldOfView(size, 1.0f))
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.Insert(0, _CenObj.DOMove(pos, 1.0f))
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.OnComplete(() =>
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{
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transform.SetParent(_CenObj.parent);
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_CenObj.SetParent(transform);
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_cameraReNewState = false;
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});
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}
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/// <summary>
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/// 设置摄像机距离物体远近
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/// </summary>
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private void SetCamDistance()
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{
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//transform.localPosition += transform.forward * Input.mouseScrollDelta.y * Time.deltaTime * _ZoomSpeed;
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//distance = (transform.position - _CenObj.position).magnitude;
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float zoom = transform.GetComponent<Camera>().fieldOfView;
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if (zoom < _minZoom && Input.mouseScrollDelta.y > 0 || zoom > _maxZoom && Input.mouseScrollDelta.y < 0)
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{
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return;
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}
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transform.GetComponent<Camera>().fieldOfView -= Input.mouseScrollDelta.y * Time.deltaTime * _ZoomSpeed;
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}
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/// <summary>
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/// 平移摄像机
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/// </summary>
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private void SetCamPosition()
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{
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float mouse_x = Input.GetAxis("Mouse X");
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float mouse_y = Input.GetAxis("Mouse Y");
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if (Input.GetKey(KeyCode.Mouse1))
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{
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posX = mouse_x * _MoveSpeed * Time.deltaTime;
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posY = mouse_y * _MoveSpeed * Time.deltaTime;
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Vector2 viewPos = Camera.main.WorldToViewportPoint(_CenObj.position);
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//WDebug.Log($"{viewPos.x}_{viewPos.y}");
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if ((posY > 0 && viewPos.y > _maxViewPosXY.y) ||
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(posY < 0 && viewPos.y < _minViewPosXY.y) ||
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(posX > 0 && viewPos.x > _maxViewPosXY.x) ||
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(posX < 0 && viewPos.x < _minViewPosXY.x))
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{
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return;
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}
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transform.Translate(new Vector3(-posX, -posY, 0), Space.Self);
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distance = (transform.position - _CenObj.position).magnitude;
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}
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}
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/// <summary>
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/// 设置摄像机围绕物体旋转
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/// </summary>
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private void SetCamRotation()
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{
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float mouse_x = Input.GetAxis("Mouse X");
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float mouse_y = Input.GetAxis("Mouse Y");
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if (Input.GetKey(KeyCode.Mouse0))
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{
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rotX += mouse_x * _RotSpeed * Time.deltaTime;
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rotY -= mouse_y * _RotSpeed * Time.deltaTime;
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rotY = Mathf.Clamp(rotY, -90, 90);//防止翻跟头
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Quaternion rotation = Quaternion.Euler(rotY, rotX, 0);//利用欧拉角防止万向锁
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Vector3 position = rotation * new Vector3(0, 0, -distance) + _CenObj.position;//求得旋转后位置
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transform.rotation = rotation;
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transform.position = position;
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}
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}
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}
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}
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