fix:代码提初始化

Assets/Scripts/MainCamera/ControlMoving.cs

@@ -0,0 +1,192 @@
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+public class ControlMoving : MonoBehaviour
+{
+    public float moveSpeed = 50f;    // 右键平移速度
+    public float zoomSpeed = 10f;    // 滚轮缩放速度
+    public DoubleClickToFocus doubleClickToFocusScript;    // 引用焦点脚本，提供 core
+    public float rotationSensitivity = 0.2f;   // 左键拖拽旋转灵敏度
+
+    private Camera cam;
+    private bool isRotating = false;
+    private Vector2 lastMousePos;
+
+
+    void Start()
+    {
+        cam = Camera.main;
+        Vector3 core = doubleClickToFocusScript.core;
+        if (doubleClickToFocusScript == null)
+            Debug.LogError("请在 Inspector 中把挂有 ClickToFocus 的物体拖给 inScript");
+    }
+
+    void Update()
+    {
+        //if (EventSystem.current != null && EventSystem.current.IsPointerOverGameObject())
+        //{
+        //    return; // 直接 return，你下面所有相机逻辑都不执行
+        //}
+        //if (SliderDragDetector.isSliderDragging)
+        //    return;
+        //if (doubleClickToFocusScript == null) return;
+        Vector3 core = doubleClickToFocusScript.core;
+
+        // —— 右键平移 ——  
+        if (Input.GetMouseButton(1))
+        {
+            moveSpeed = Vector3.Distance(core, transform.position) / 2f;//这里涉及到像素和实际空间米的关系转换
+            float mx = Input.GetAxis("Mouse X");
+            float my = Input.GetAxis("Mouse Y");
+            Vector3 desiredPosition = cam.transform.position + (-cam.transform.right * mx + -cam.transform.up * my) * moveSpeed * Time.deltaTime;
+
+            // 判断是否与障碍物发生碰撞
+            if (!WillCollideWithObstacle(desiredPosition))
+            {
+                cam.transform.position = desiredPosition;
+            }
+        }
+
+
+
+
+
+        // —— 滚轮缩放 ——  
+        float scroll = Input.GetAxis("Mouse ScrollWheel");
+        if (Mathf.Abs(scroll) > 0.001f)
+        {
+            Vector3 desiredPosition = cam.transform.position + cam.transform.forward * scroll * zoomSpeed;
+
+            // 判断是否与障碍物发生碰撞
+            if (!WillCollideWithObstacle(desiredPosition))
+            {
+                cam.transform.position = desiredPosition;
+            }
+        }
+
+
+
+
+
+        // —— 左键开始/结束旋转 ——  
+        if (Input.GetMouseButtonDown(0))
+        {
+            isRotating = true;
+            lastMousePos = Input.mousePosition;
+        }
+        if (Input.GetMouseButtonUp(0))
+        {
+            isRotating = false;
+        }
+
+        // —— 左键拖拽：RotateAround 实现 + 俯仰限制 ——  
+        if (isRotating && Input.GetMouseButton(0))
+        {
+            Vector2 curr = Input.mousePosition;
+            Vector2 delta = (curr - lastMousePos) * rotationSensitivity;
+            lastMousePos = curr;
+
+            // 1. 水平绕世界 Y 轴旋转
+            //Vector3 desiredPosition = cam.transform.position;
+            //cam.transform.RotateAround(core, Vector3.up, delta.x);
+
+            Vector3 localPosHorizonal = cam.transform.position - core;
+            Quaternion rotationHorizonal = Quaternion.AngleAxis(delta.x, Vector3.up);
+            Vector3 newLocalPosHorizonal = rotationHorizonal * localPosHorizonal;
+            Vector3 newPosHorizonal = core + newLocalPosHorizonal;
+
+            // 检查旋转后是否发生碰撞
+            if (!WillCollideWithObstacle(newPosHorizonal))
+            {
+                // 如果没有碰撞，执行旋转
+                cam.transform.RotateAround(core, Vector3.up, delta.x);
+            }
+            else
+            {
+                // 如果碰撞了，就不动
+
+            }
+
+
+
+
+
+            // 2. 俯仰旋转
+            //Vector3 dir = (cam.transform.position - core).normalized;
+            //Vector3 flat = new Vector3(dir.x, 0f, dir.z).normalized;
+            //相机看的方向是正 z 方向。也是 forward 的方向。
+            float selfFlatX = cam.transform.forward.x;
+            float selfFlatZ = cam.transform.forward.z;
+            Vector3 selfFlat = new Vector3(selfFlatX, 0f, selfFlatZ).normalized;//把相机看的方向。在世界空间留下水平（X Z）。垂直量(Y)去掉。
+            //第一个参数和第二个参数绕着第三个参数(绕着 right 旋转),取值在-180~180
+            //cam.transform.right永远是垂直着你所看到的方向的，所以它垂直着你的这个selfFlat和cam.transform.forward
+            //这么做是为了得到你的相机，抬头或者是低头度数是多少
+            //既然是从平面开始，终点是上或下，原则上应该遵循顺时针为正，逆时针为负。
+            float selfPitch = Vector3.SignedAngle(selfFlat, cam.transform.forward, cam.transform.right);//俯视为正，仰视为负，cam.transform.right这玩意是旋转轴，
+
+
+            if (selfPitch <= 80f && selfPitch >= -80f)
+            {
+
+                float pitchDelta = delta.y * -1f;
+
+                Vector3 localPosVertical = cam.transform.position - core;
+                Quaternion rotationVertical = Quaternion.AngleAxis(pitchDelta, cam.transform.right);//构造出cam.transform.right绕着旋转pitchDelta的旋转值
+                Vector3 newPosVertical = core + rotationVertical * localPosVertical;//rotationVertical * localPosVertical这个量是旋转中心指向新位置的向量。
+                //某个物体的 rotation 等于一个四元数，这是一种用法，还有就是用四元素来相乘，qA * qB = 先旋转 qB，再旋转 qA
+                //我这里是用四元素乘一个向量，是把这个向量按照四元素的内容来旋转，可以想象把cam.transform.right平移到旋转中心，他肯定很永远和地面平行，并且和localPosVertical垂直。
+                //给localPosVertical这个向量按照rotationVertical旋转
+                // 判断是否与障碍物发生碰撞
+
+                //整体思路是先手动判断RotateAround的落脚点是否碰撞，然后再使用
+                if (!WillCollideWithObstacle(newPosVertical))
+                {
+                    cam.transform.RotateAround(core, cam.transform.right, pitchDelta);
+                }
+
+            }
+            else if (selfPitch > 80f)
+            {
+                float pitchDelta = delta.y * -1f;
+                if (pitchDelta < 0f)
+                {
+                    cam.transform.RotateAround(core, cam.transform.right, pitchDelta);
+                }
+            }
+            else if (selfPitch < -80f)
+            {
+                float pitchDelta = delta.y * -1f;
+                if (pitchDelta > 0f)
+                {
+                    cam.transform.RotateAround(core, cam.transform.right, pitchDelta);
+                }
+            }
+        }
+    }
+
+    // 碰撞检测方法
+    bool WillCollideWithObstacle(Vector3 targetPosition)
+    {
+        // 计算从当前位置到目标位置的方向和距离
+        Vector3 moveDir = targetPosition - cam.transform.position;
+        float moveDist = moveDir.magnitude;
+
+        // 使用 SphereCast 检查即将到达的位置是否会与障碍物发生碰撞
+        RaycastHit hit;
+        if (Physics.SphereCast(cam.transform.position, 0.1f, moveDir, out hit, moveDist, LayerMask.GetMask("Default"), QueryTriggerInteraction.Ignore))
+        {
+            // 如果检测到碰撞，返回 true
+            Debug.Log("collider");
+            return true;
+        }
+        else if (Mathf.Pow(targetPosition.x - 10f, 2f) + Mathf.Pow(targetPosition.z - 10f, 2f) < 60000f && targetPosition.y < 300f)
+        {
+            // 如果在范围内，返回 false
+            return false;
+        }
+        else
+            Debug.Log("outRange");
+        return true;//这个true是为了有返回值，实际上走不到这一步
+
+    }
+}