510 lines
17 KiB
C#
510 lines
17 KiB
C#
using UnityEngine;
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using System.Collections;
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using UnityEngine.EventSystems;
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using System.Collections.Generic;
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public class CameraController :MonoBehaviour
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{
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public bool m_isScale = true;
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#region fpp
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/// <summary>
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/// 转到第一人称视角
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/// </summary>
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public bool m_fpp;
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/// <summary>
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/// 第一人称视角偏差
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/// </summary>
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public Vector3 m_fppOffset;
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/// <summary>
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/// 跟随老师
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/// </summary>
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public bool FollowTeacher;
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private bool m_followTeacher;
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#endregion
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public Transform Target;
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public float distance = 8.0f;
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public float xSpeed = 70.0f;
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public float ySpeed = 50.0f;
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public float yMinLimit = 0f;
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public float yMaxLimit = 90f;
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public float distanceMin = 8f;
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public float distanceMax = 15f;
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public float zoomSpeed = 0.5f;
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private float x = 0.0f;
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private float y = 0.0f;
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private float fx = 0f;
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private float fy = 0f;
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private float fDistance = 0;
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int m_fingerId = -1; // 当摇杆移动，控制镜头的手指
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bool m_isClickUi = false;
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Dictionary<int, bool> m_dicTouch = new Dictionary<int, bool>(); //key 为fingerid ，value为是否接触到UI
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Transform m_trans;
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float t = 0.2f;
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public float m_minDis = 1.0f;
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public bool m_isNear = false;
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[Header("God Mode")]
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public bool God; //上帝模式
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public float GodSpeed = 10;
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public float Sprint = 1.5f;
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public Vector3 MinClamp = new Vector3(0,12,0);
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public Vector3 MaxClamp = new Vector3(160,20,160);
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public Vector2 RollClamp = new Vector2(-45, 90);
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public Rigidbody _rigidbody;
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// Use this for initialization
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void Start()
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{
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_rigidbody = GetComponent<Rigidbody>();
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m_trans = this.transform;
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Vector3 angles = transform.eulerAngles;
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x = angles.y;
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y = angles.x;
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fx = x;
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fy = y;
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UpdateRotaAndPos();
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fDistance = distance;
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}
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void Update()
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{
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if (Input.touchCount == 0)//当前没有手指,全部初始化
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{
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m_fingerId = -1;
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m_dicTouch.Clear();
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}
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if (Input.touchCount == 1)
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{
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List<int> deleteFinger = new List<int>();
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foreach (var item in m_dicTouch)
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{
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if (item.Key != Input.GetTouch(0).fingerId)
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{
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deleteFinger.Add(item.Key);
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}
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}
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//删除m_dicTouch非当前单指的item项目--》得到结果就是m_dicTouch只有当前单指或者啥也没有
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for (int i = 0; i < deleteFinger.Count; i++)
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{
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//Debug.Log("单指：删除：" + deleteFinger[i]);
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m_dicTouch.Remove(deleteFinger[i]);
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}
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switch (Input.GetTouch(0).phase)
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{
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case TouchPhase.Began:
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if (EventSystem.current.IsPointerOverGameObject(Input.GetTouch(0).fingerId))
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{
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//Debug.Log("单指：增加true：" + Input.GetTouch(0).fingerId);
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m_dicTouch[Input.GetTouch(0).fingerId] = true; //如果按在ui上为true
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}
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else
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{
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//Debug.Log("单指：增加false：" + Input.GetTouch(0).fingerId);
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m_dicTouch[Input.GetTouch(0).fingerId] = false;
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}
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break;
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case TouchPhase.Moved:
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break;
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case TouchPhase.Stationary:
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break;
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case TouchPhase.Ended:
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break;
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case TouchPhase.Canceled:
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break;
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default:
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break;
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}
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}
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if (Input.touchCount == 2)
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{
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List<int> deleteFinger = new List<int>();
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foreach (var item in m_dicTouch)
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{
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bool isDelete = true;
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for (int i = 0; i < Input.touchCount; i++)
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{
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if (item.Key == Input.touches[i].fingerId)
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{
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isDelete = false;
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break;
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}
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}
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if (isDelete == true)
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{
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deleteFinger.Add(item.Key);
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}
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}
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//删除m_dicTouch里面非现在按下的两个手指--》得到的结果：m_dicTouch里有一个现在按下手指中的0-2个
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for (int i = 0; i < deleteFinger.Count; i++)
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{
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//Debug.Log("双指：删除：" + deleteFinger[i]);
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m_dicTouch.Remove(deleteFinger[i]);
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}
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for (int i = 0; i < Input.touchCount; i++)
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{
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switch (Input.touches[i].phase)
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{
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case TouchPhase.Began:
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if (EventSystem.current.IsPointerOverGameObject(Input.touches[i].fingerId))
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{
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//Debug.Log("双指：增加true：" + Input.touches[i].fingerId);
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m_dicTouch[Input.touches[i].fingerId] = true;
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}
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else
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{
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//Debug.Log("双指：增加false：" + Input.touches[i].fingerId);
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m_dicTouch[Input.touches[i].fingerId] = false;
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}
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break;
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case TouchPhase.Moved:
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break;
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case TouchPhase.Stationary:
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break;
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case TouchPhase.Ended:
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break;
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case TouchPhase.Canceled:
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break;
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default:
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break;
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}
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}
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if (IsCanScale() == true && m_isScale == true)
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{
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Touch touchZero = Input.GetTouch(0);
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Touch touchOne = Input.GetTouch(1);
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// 上一帧每个点位置
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Vector2 touchZeroPrevPos = touchZero.position - touchZero.deltaPosition;
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Vector2 touchOnePrevPos = touchOne.position - touchOne.deltaPosition;
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//上一帧两点距离的平方，不要做平方根运算，消耗大
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float prevTouchDeltaMag = (touchZeroPrevPos - touchOnePrevPos).magnitude;
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//这一帧两点距离的平方
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float touchDeltaMag = (touchZero.position - touchOne.position).magnitude;
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// Find the difference in the distances between each frame.
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float deltaMagnitudeDiff = prevTouchDeltaMag - touchDeltaMag;
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fDistance = Mathf.Clamp(distance + deltaMagnitudeDiff * zoomSpeed, distanceMin, distanceMax);
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}
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}
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if (Application.isMobilePlatform == false && m_isScale == true)
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{
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if (Input.GetAxis("Mouse ScrollWheel") > 0)
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{
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fDistance = Mathf.Clamp(distance - zoomSpeed, distanceMin, distanceMax);
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}
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else if (Input.GetAxis("Mouse ScrollWheel") < 0)
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{
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fDistance = Mathf.Clamp(distance + zoomSpeed, distanceMin, distanceMax);
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}
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}
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distance = Mathf.Lerp(distance, fDistance, 0.25f);
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}
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private void FixedUpdate()
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{
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Move();
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}
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private void Move()
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{
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if (Application.isMobilePlatform)
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{
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if (/*Input.GetMouseButton(1) &&*/ IsCanRotate())
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{
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Touch input = new Touch();
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for (int i = 0; i < Input.touchCount; i++)
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{
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if (Input.touches[i].fingerId == m_fingerId)
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{
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input = Input.touches[i];//找到控制镜头移动的手指
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}
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}
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if (God) {
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if (Target)
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{
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if (Input.touchCount > 0 && input.phase == TouchPhase.Moved)
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{
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float dx = input.deltaPosition.x;
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float dy = input.deltaPosition.y;
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x -= dx * xSpeed * Time.deltaTime;
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y += dy * ySpeed * Time.deltaTime;
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y = ClampAngle(y, RollClamp.x, RollClamp.y);
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}
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}
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}
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else {
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if (Input.touchCount > 0 && input.phase == TouchPhase.Moved)
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{
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float dx = input.deltaPosition.x;
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float dy = input.deltaPosition.y;
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x -= dx * xSpeed * Time.deltaTime;
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y += dy * ySpeed * Time.deltaTime;
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y = ClampAngle(y, yMinLimit, yMaxLimit);
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}
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}
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}
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}
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else
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{
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if (Input.GetMouseButtonDown(1))
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{
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if (EventSystem.current.IsPointerOverGameObject())
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{
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m_isClickUi = true;
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}
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}
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if (Input.GetMouseButtonUp(0))
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{
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m_isClickUi = false;
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}
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if (m_isClickUi == false && Input.GetMouseButton(1))
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{
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if (God)
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{
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if (Target)
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{
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float dx = Input.GetAxis("Mouse X");
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float dy = Input.GetAxis("Mouse Y");
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x += dx * xSpeed * 20 * Time.deltaTime;//*distance
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y -= dy * ySpeed * 20 * Time.deltaTime;
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y = ClampAngle(y, RollClamp.x, RollClamp.y);
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}
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}
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else
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{
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float dx = Input.GetAxis("Mouse X");
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float dy = Input.GetAxis("Mouse Y");
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x += dx * xSpeed * 20 * Time.deltaTime;//*distance
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y -= dy * ySpeed * 20 * Time.deltaTime;
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y = ClampAngle(y, yMinLimit, yMaxLimit);
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}
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}
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}
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fx = Mathf.Lerp(fx, x, 0.2f);
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fy = Mathf.Lerp(fy, y, 0.2f);
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UpdateRotaAndPos();
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}
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void UpdateRotaAndPos()
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{
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if (God)
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{
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float godspeed = (UtilitiesInput.Sprint ? GodSpeed * Sprint : GodSpeed) * Time.deltaTime;
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//transform.Translate(Vector3.forward * UtilitiesInput.Vertical * godspeed, Space.Self);
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//transform.Translate(Vector3.right * UtilitiesInput.Horizontal * godspeed, Space.Self);
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Vector3 dir = transform.forward * UtilitiesInput.Vertical + transform.right * UtilitiesInput.Horizontal;
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GodMoveCamera(dir, godspeed);
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if (UtilitiesInput.Down) transform.Translate(Vector3.down * godspeed, Space.World);
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if (UtilitiesInput.Up) transform.Translate(Vector3.up * godspeed, Space.World);
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Vector3 trans = transform.position;
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transform.position = new Vector3(Mathf.Clamp(trans.x, MinClamp.x, MaxClamp.x), Mathf.Clamp(trans.y, MinClamp.y, MaxClamp.y), Mathf.Clamp(trans.z, MinClamp.z, MaxClamp.z));
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Quaternion rotation = Quaternion.Euler(fy, fx, 0);
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Vector3 negDistance = new Vector3(0.0f, 0.0f, -distance);
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Vector3 position = rotation * negDistance + Target.position; //摄像头的位置为 移动后角度*距离 + 目标位置
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transform.rotation = rotation;
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}
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else
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{
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if (Target)
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{
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bool isCurHit = false;
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Quaternion rotation = Quaternion.Euler(fy, fx, 0);
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Vector3 negDistance = new Vector3(0.0f, 0.0f, -distance);
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Vector3 position = rotation * negDistance + Target.position; //摄像头的位置为 移动后角度*距离 + 目标位置
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Vector3 canSetPos = position;
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//m_trans.position = position;
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//Debug.DrawLine(target.position, m_trans.position, Color.red);
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//主角朝着这个方向发射射线
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RaycastHit hit;
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if (Physics.Linecast(Target.position, position, out hit))
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{
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//Debug.Log("摄像机碰到:" + hit.collider.gameObject);
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bool adjust = true;
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Renderer renderer = hit.transform.GetComponent<Renderer>();
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if (renderer == null) adjust = false;
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if (renderer != null && !renderer.enabled) adjust = false;
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if (adjust)
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{
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//当碰撞的不是摄像机也不是地形 那么直接移动摄像机的坐标
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Vector3 posHit = hit.point;
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Vector3 dir = posHit - Target.position;
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//Vector3 posEnd = posHit - dir * 0.5f;
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canSetPos = posHit - dir * 0.5f;
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isCurHit = true;
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//m_trans.position = posEnd;
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//m_trans.position = position;
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}
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}
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//摄像机与地面的检测，不要穿过地
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if (canSetPos.y < Target.parent.position.y)
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{
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//Debug.Log("摄像机碰到了地");
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canSetPos.y = Target.parent.position.y;
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Vector3 relativePos = Target.position - canSetPos;
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rotation = Quaternion.LookRotation(relativePos);
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isCurHit = true;
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}
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//float oldDis = (m_trans.position - target.position).sqrMagnitude;
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//float newDis = (canSetPos - target.position).sqrMagnitude;
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//if ((isCurHit == false && m_isLastHit == false) || (isCurHit == true && m_isLastHit == false) || (isCurHit == true && m_isLastHit == true)) //拉进是突进
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//{
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// m_trans.position = canSetPos;
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//}
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//else if (m_isLastHit == true && isCurHit == false)
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//{
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// Debug.Log("镜头远离墙体");
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// Vector3 mainCamPos = m_trans.position;
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// Vector3 newPos = Vector3.Lerp(mainCamPos, canSetPos, getCurrentDeltaTime() * movementLerpSpeed);
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// m_trans.position = newPos;
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//}
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m_trans.position = m_fpp ? Target.position + m_fppOffset : canSetPos;
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m_trans.rotation = rotation;
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}
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}
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}
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public virtual void GodMoveCamera(Vector3 _direction,float speed)
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{
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if (!God) return;
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_direction.y = 0;
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_direction.x = Mathf.Clamp(_direction.x, -1f, 1f);
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_direction.z = Mathf.Clamp(_direction.z, -1f, 1f);
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// limit the input
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if (_direction.magnitude > 1f)
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_direction.Normalize();
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Vector3 targetPosition = _rigidbody.position + _direction * speed;
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Vector3 targetVelocity = (targetPosition - transform.position) / Time.deltaTime;
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bool useVerticalVelocity = true;
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if (useVerticalVelocity) targetVelocity.y = _rigidbody.velocity.y;
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_rigidbody.velocity = targetVelocity;
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}
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public static float ClampAngle(float angle, float min, float max)
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{
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if (angle < -360F)
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angle += 360F;
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if (angle > 360F)
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angle -= 360F;
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return Mathf.Clamp(angle, min, max);
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}
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/// <summary>
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/// 是否可以旋转
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/// </summary>
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/// <returns></returns>
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bool IsCanRotate()
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{
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bool ret = false;
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if (m_dicTouch.Count == 1) //只有一个手指按下，并且没按在UI上
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{
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foreach (var item in m_dicTouch)
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{
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if (item.Value == false)
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{
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ret = true;
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m_fingerId = item.Key;
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}
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}
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}
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else
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{
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//当有两个手指按下，一个手指在UI（包含在UI摇杆）上，一个手指没在，可以移动镜头
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int inUI = 0;
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int outUI = 0;
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foreach (var item in m_dicTouch)
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{
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if (item.Value == true)
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{
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inUI++;
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}
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else
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{
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outUI++;
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m_fingerId = item.Key;
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}
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}
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if (inUI == 1 && outUI == 1)
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{
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ret = true;
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}
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}
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return ret;
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}
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//何时才能双指控制缩放-->两个手指都没按在UI上
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bool IsCanScale()
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{
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bool ret = true;
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if (m_dicTouch.Count == 2)
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{
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foreach (var item in m_dicTouch)
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{
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if (item.Value == true)
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{
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ret = false;
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break;
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}
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}
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}
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return ret;
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}
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} |