using Org.BouncyCastle.Crypto.Macs; using System; using System.Collections.Generic; using UnityEngine; [RequireComponent(typeof(Camera))] public class CameraControl : MonoBehaviour { public static CameraControl instance; public List<string> list_RayName = new List<string>(); public Camera m_cam; private Transform m_selfTrans; private bool m_fingerDown = false; public RaycastHit hit; //当场景显示之前出现UI界面就关闭拖拽 public bool Boxcoller_bol = true;//判断碰撞框是否激活 /// <summary> /// 单指滑动的手指位置 /// </summary> private Vector3 m_oneFingerDragStartPos; /// <summary> /// 双指缩放的上一帧的双指距离 /// </summary> private float m_twoFingerLastDistance = -1; private void Awake() { instance = this; m_cam = GetComponent<Camera>(); m_selfTrans = transform; list_RayName.Add("Hospital_panel"); list_RayName.Add("Hospital_panel_1"); list_RayName.Add("Hoof_repair_rooms"); list_RayName.Add("Hoof_repair_room_2"); list_RayName.Add("Pancake_tudio_2"); list_RayName.Add("Wall"); list_RayName.Add("Caltha"); list_RayName.Add("Bar"); list_RayName.Add("Gaming"); list_RayName.Add("Guidance_table"); //导诊台的位置 Vector3(-3.74715376,-2.97996163,-45) //画饼室的位置 Vector3(-0.677244067,-11.3491144,-45) //修驴蹄的位置 Vector3(6.04842091,-8.08742237,-45) //舔狗室的位置 Vector3(-16,-4.30645037,-45) //厕所的位置 Vector3(-11.575222,2.41921329,-45) //休息区的位置 Vector3(-3.88875127,5.90846729,-45) //施工区的位置 Vector3(13.5474091,-3.76378059,-45) } public void MovePos(Vector3 pos) { transform.position = pos; m_cam.orthographicSize = 10; Boxcoller_bol = true; } private void Update() { #if UNITY_EDITOR || UNITY_STANDALONE if (Boxcoller_bol) { if (Input.GetMouseButtonDown(0)) { Ray ray = m_cam.ScreenPointToRay(Input.mousePosition); RaycastHit hitInfo; //射线对象（结构体），存储了相关信息 //发出射线检测碰撞，返回一个布尔值（是否发生碰撞），这里的out下面会详解 //碰到了标签是123的碰撞盒物体 if (Physics.Raycast(ray, out hitInfo)) { hit = hitInfo; for (int i = 0; i < list_RayName.Count; i++) { //Debug.Log(hitInfo.transform.gameObject.layer); if (list_RayName.Contains(hitInfo.transform.name)) { m_fingerDown = true; m_oneFingerDragStartPos = GetWorldPos(Input.mousePosition); } } } } if (Input.GetMouseButtonUp(0)) { m_fingerDown = false; m_twoFingerLastDistance = -1; } if (m_fingerDown) { HandleFingerDragMove(Input.mousePosition); } var distance = Input.GetAxis("Mouse ScrollWheel"); HandleMouseScrollWheel(distance * 10); } #else if(Boxcoller_bol) { if (2 == Input.touchCount) { // 双指缩放 HandleTwoFingerScale(); } else if (1 == Input.touchCount) { if (TouchPhase.Began == Input.touches[0].phase) { Ray ray = m_cam.ScreenPointToRay(Input.mousePosition); RaycastHit hitInfo; if (Physics.Raycast(ray, out hitInfo)) { if (list_RayName.Contains(hitInfo.transform.name)) { m_fingerDown = true; m_oneFingerDragStartPos = GetWorldPos(Input.mousePosition); } } } else if (TouchPhase.Moved == Input.touches[0].phase) { // 单指滑动 HandleFingerDragMove(Input.touches[0].position); } m_twoFingerLastDistance = -1; } else { m_fingerDown = false; m_twoFingerLastDistance = -1; } } #endif } //场景大小缩放时限制位置也会一起改变 float pos_y = 23.4f; float pos_x = 16f; /// <summary> /// 单指滑动 /// </summary> private void HandleFingerDragMove(Vector2 fingerPos) { //滑动差 Vector3 cha = m_oneFingerDragStartPos - GetWorldPos(fingerPos); Vector3 newP = m_cam.transform.position; newP.x = newP.x + cha.x; if (newP.x > pos_x) { newP.x = pos_x; } if (newP.x < -pos_x) { newP.x = -pos_x; } newP.y = newP.y + cha.y; if (newP.y > pos_y) { newP.y = pos_y; } if (newP.y < -pos_y) { newP.y = -pos_y; } m_selfTrans.position = newP; } /// <summary> /// 双指缩放 /// </summary> private void HandleTwoFingerScale() { float distance = Vector2.Distance(Input.touches[0].position, Input.touches[1].position); if (-1 == m_twoFingerLastDistance) m_twoFingerLastDistance = distance; // 与上一帧比较变化 float scale = 0.1f * (distance - m_twoFingerLastDistance); ScaleCamere(scale); m_twoFingerLastDistance = distance; } /// <summary> /// 鼠标滚轮缩放 /// </summary> /// <param name="distance"></param> private void HandleMouseScrollWheel(float distance) { if (0 == distance) return; ScaleCamere(distance); } /// <summary> /// 缩放摄像机的视口 /// </summary> /// <param name="scale"></param> private void ScaleCamere(float scale) { m_cam.orthographicSize -= scale * 0.5f;//缩小放大速度 //根据缩放大小实现相机移动的边界 CameraSize(m_cam.orthographicSize); if (m_cam.orthographicSize < 10)//最小可视距离 { m_cam.orthographicSize = 10; } if (m_cam.orthographicSize > 20)//最大可视距离 { m_cam.orthographicSize = 20; } } private void CameraSize(float orthographicSize) { if(orthographicSize>=10||15>= orthographicSize) { pos_y = 23.4f; } if (orthographicSize > 15 || 16 >= orthographicSize) { pos_y = 22.4f; } if (orthographicSize > 16 || 17 >= orthographicSize) { pos_y = 21.4f; } if (orthographicSize > 17 || 18 >= orthographicSize) { pos_y = 20.4f; pos_x = 16f; } if (orthographicSize > 18 || 19 >= orthographicSize) { pos_y = 19.4f; pos_x = 15.8f; } if (orthographicSize > 19 || 20 >= orthographicSize) { pos_y = 18.4f; pos_x = 15.24f; } } /// <summary> /// 屏幕坐标换算成3D坐标 /// </summary> /// <param name="screenPos">屏幕坐标</param> /// <returns></returns> Vector3 GetWorldPos(Vector2 screenPos) { return m_cam.ScreenToWorldPoint(new Vector3(screenPos.x, screenPos.y, 0)); } }