fix:代码提交
This commit is contained in:
zhangjiajia
388
Assets/Scripts/App/CameraControl.cs
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388
Assets/Scripts/App/CameraControl.cs
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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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public class CameraControl : MonoBehaviour
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{
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[Header("移动速度")]
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public float moveSpeed = 1.2f;
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[Header("旋转速度")]
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public float rotateSpeed = 45f;
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[Header("缩放速度")]
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public float zoomSpeed = 0.2f;
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[Header("最小高度")]
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public float minHeight = 0.1f;
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[Header("最大高度")]
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public float maxHeight = 100f;
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[Header("地图中心")]
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public Vector3 mapCenter = Vector3.zero;
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[Header("最大距离")]
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public float maxDistance = 3000f;
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[Header("最小角度")]
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public float minAngleX = -60f;
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[Header("最大角度")]
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public float maxAngleX = 88f;
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[Header("射线检测提前量")]
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public float raycastOffset = 0.1f; // 射线检测提前量
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[SerializeField] private LayerMask collisionLayers; // 可碰撞的图层
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[SerializeField] private string[] obstacleLayerNames = new string[] { "ObstacleLayer" }; // 障碍物图层名称数组
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public float minMoveSpeed = 5f; // 最小移动速度，根据需求设置
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// 高度阈值数组 (按升序排列)
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[SerializeField] private float[] thresholds = { 27f, 50f, 100f, 150f, 200f };
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// 对应速度值数组 (与阈值一一对应)
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[SerializeField] private float[] speeds = { 3f, 15f, 30f, 50f, 80f };
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//控制变量
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private Vector3 viewPos_0; //鼠标左键初始坐标
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private Vector3 viewPos_1; //鼠标右键初始坐标
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private Vector3 startCameraPos; //相机初始位置
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private Vector3 targetCameraPos; //相机目标位置
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private Vector2 startCameraEuler; //初始角度
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private Vector2 targetCameraEuler; //目标角度
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//相机控制
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private Camera mainCamera;
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private bool isCameraCtrl = true; //相机是否可控制
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private float screenAdapter = 1f; //屏幕长度比
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//相机操作有效性判断
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private bool isClickUI = false;
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private void Awake()
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{
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mainCamera = Camera.main;
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screenAdapter = Screen.width / (float)Screen.height;
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targetCameraPos = transform.position;
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targetCameraEuler = transform.eulerAngles;
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if (collisionLayers == 0 && obstacleLayerNames.Length > 0)
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{
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collisionLayers = LayerMask.GetMask(obstacleLayerNames);
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}
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}
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void Update()
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{
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//相机控制
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if (isCameraCtrl)
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{
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//操作有效性判断
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if (EventSystem.current != null)
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{
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if (Input.GetMouseButtonDown(0) || Input.GetMouseButtonDown(1) || Input.GetMouseButtonDown(2))
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{
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isClickUI = EventSystem.current.IsPointerOverGameObject();
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}
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if (Input.GetMouseButtonUp(0) || Input.GetMouseButtonUp(1) || Input.GetMouseButtonUp(2))
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{
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isClickUI = false;
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}
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}
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if (!isClickUI)
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{
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//平移控制
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if (Input.GetMouseButtonDown(1) || Input.GetMouseButtonDown(2))
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{
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viewPos_0 = mainCamera.ScreenToViewportPoint(Input.mousePosition);
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startCameraPos = transform.position;
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startCameraEuler = transform.eulerAngles;
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}
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if (Input.GetMouseButton(1) || Input.GetMouseButton(2))
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{
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Vector3 currentViewPos = mainCamera.ScreenToViewportPoint(Input.mousePosition);
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Vector3 dis = currentViewPos - viewPos_0;
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dis = dis * GetMoveSpeed();
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// 获取相机的右向量和上向量
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Vector3 right = transform.right;
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Vector3 up = transform.up;
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// 分别计算水平和垂直方向的位移
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float horizontalDis = -dis.x * screenAdapter;
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float verticalDis = -dis.y * screenAdapter;
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// 根据相机的右向量和上向量计算最终位移
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Vector3 finalDis = right * horizontalDis + up * verticalDis;
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targetCameraPos = startCameraPos + finalDis;
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// Vector3 newTargetPos = startCameraPos + finalDis;
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// newTargetPos = CheckCollisionOnMove(transform.position, newTargetPos);
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// targetCameraPos = newTargetPos;
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// Debug.Log("targetCameraPos" + targetCameraPos);
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}
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//旋转控制
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if (Input.GetMouseButtonDown(0))
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{
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viewPos_1 = mainCamera.ScreenToViewportPoint(Input.mousePosition);
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startCameraPos = transform.position;
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startCameraEuler = transform.eulerAngles;
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}
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if (Input.GetMouseButton(0))
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{
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Vector2 angle = (mainCamera.ScreenToViewportPoint(Input.mousePosition) - viewPos_1) * rotateSpeed;
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angle = new Vector3(-angle.y, angle.x * screenAdapter);
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targetCameraEuler = startCameraEuler + angle;
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}
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//缩进控制
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if (Input.mouseScrollDelta != Vector2.zero)
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{
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float moveSpeed = GetMoveSpeed() * zoomSpeed;
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targetCameraPos = transform.position + transform.forward * moveSpeed * Input.mouseScrollDelta.y;
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// Vector3 newTargetPos = targetCameraPos + transform.forward * moveSpeed * Input.mouseScrollDelta.y;
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// newTargetPos = CheckCollisionOnMove(transform.position, newTargetPos);
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// targetCameraPos = newTargetPos;
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}
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//相机运动
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LimitCamera();
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// CheckCollision(); // 检查碰撞
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//控制相机运动
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// 控制相机运动
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if (!isCheckCollisionOnMove(transform.position, targetCameraPos)) // 无碰撞时执行移动
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{
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if (Vector3.Distance(transform.position, targetCameraPos) > 0.1f)
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{
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transform.position = Vector3.Lerp(transform.position, targetCameraPos, 5f * Time.deltaTime);
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}
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// 控制相机旋转
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if (Quaternion.Angle(transform.rotation, Quaternion.Euler(targetCameraEuler)) > 0.1f)
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{
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transform.rotation = Quaternion.Lerp(transform.rotation, Quaternion.Euler(targetCameraEuler), 5f * Time.deltaTime);
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}
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}
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// if (Vector3.Distance(transform.position, targetCameraPos) > 0.1f)
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// {
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// transform.position = Vector3.Lerp(transform.position, targetCameraPos, 5f * Time.deltaTime);
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// }
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// // 控制相机旋转
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// if (Quaternion.Angle(transform.rotation, Quaternion.Euler(targetCameraEuler)) > 0.1f)
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// {
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// transform.rotation = Quaternion.Lerp(transform.rotation, Quaternion.Euler(targetCameraEuler), 5f * Time.deltaTime);
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// }
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}
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}
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}
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public bool isCheckCollisionOnMove(Vector3 position, Vector3 targetCameraPos)
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{
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Vector3 newPosition = CheckCollisionOnMove(position, targetCameraPos);
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// 手动判断是否发生碰撞
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bool hasCollision = newPosition != targetCameraPos;
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return hasCollision;
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}
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//开启相机控制
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public void StartCameraControl()
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{
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isCameraCtrl = true;
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isClickUI = false;
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viewPos_0 = mainCamera.ScreenToViewportPoint(Input.mousePosition);
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viewPos_1 = mainCamera.ScreenToViewportPoint(Input.mousePosition);
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startCameraPos = transform.position;
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startCameraEuler = transform.eulerAngles;
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targetCameraPos = transform.position;
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targetCameraEuler = transform.eulerAngles;
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}
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//停止相机控制
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public void StopCameraControl()
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{
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isCameraCtrl = false;
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}
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//获取相机移动速度
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float GetMoveSpeed()
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{
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// // 计算高度差（确保不小于0，避免出现负速度）
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// float highDis = Mathf.Max(transform.position.y - minHeight, 0f);
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// // 计算基础速度（基于高度的动态速度）
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// float dynamicSpeed = moveSpeed + moveSpeed * highDis;
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// // 确保速度不低于最小值，同时保留向上浮动的可能性
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// float finalSpeed = Mathf.Max(dynamicSpeed, minMoveSpeed);
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// // 可选：限制最大速度，防止过高高度下速度过快
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// // finalSpeed = Mathf.Min(finalSpeed, maxMoveSpeed);
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// // 保留整数化处理（如果需要）
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// finalSpeed = Mathf.RoundToInt(finalSpeed);
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// return finalSpeed;
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// return transform.position.y > 80 ? 80f : transform.position.y > 30 ? 40f : 5f;
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// // 高度阈值数组 (按升序排列)
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float yPosition = transform.position.y;
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// 检查每个阈值，返回对应速度
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for (int i = 0; i < thresholds.Length; i++)
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{
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if (yPosition < thresholds[i])
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{
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return speeds[i];
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}
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}
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Debug.Log("Speed: " + speeds[speeds.Length - 1]);
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// 超过最高阈值，返回最高速度
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return speeds[speeds.Length - 1];
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}
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//限制相机位置，角度
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void LimitCamera()
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{
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//位置限制
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targetCameraPos.y = Mathf.Clamp(targetCameraPos.y, minHeight, maxHeight);
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float dis = Vector3.Distance(targetCameraPos, mapCenter);
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if (dis > maxDistance)
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{
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Vector3 dir = (targetCameraPos - mapCenter).normalized;
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targetCameraPos = mapCenter + dir * maxDistance;
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}
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//角度限制
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if (targetCameraEuler.x > 180) { targetCameraEuler.x -= 360f; }
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if (targetCameraEuler.x < -180) { targetCameraEuler.x += 360; }
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if (targetCameraEuler.y > 180) { targetCameraEuler.y -= 360f; }
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if (targetCameraEuler.y < -180) { targetCameraEuler.y += 360; }
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targetCameraEuler.x = Mathf.Clamp(targetCameraEuler.x, minAngleX, maxAngleX);
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}
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// 修改CheckCollisionOnMove方法，增加垂直方向检测
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Vector3 CheckCollisionOnMove(Vector3 startPos, Vector3 targetPos)
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{
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Vector3 direction = targetPos - startPos;
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float distance = direction.magnitude;
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Vector3 safePosition = targetPos;
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// 确保射线检测始终有足够的距离
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if (distance < 0.01f)
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return ApplyGroundCheck(safePosition);
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float sphereRadius = 0.1f;
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Bounds startBounds = new Bounds(startPos, Vector3.one * sphereRadius * 2);
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Bounds endBounds = new Bounds(targetPos, Vector3.one * sphereRadius * 2);
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Bounds movementBounds = new Bounds();
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movementBounds.Encapsulate(startBounds);
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movementBounds.Encapsulate(endBounds);
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bool collisionDetected = false;
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// 主方向检测
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if (Physics.SphereCast(startPos, sphereRadius, direction.normalized, out RaycastHit hit,
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distance + raycastOffset, collisionLayers))
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{
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float safeDistance = hit.distance - raycastOffset - sphereRadius;
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safePosition = startPos + direction.normalized * Mathf.Max(safeDistance, 0);
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collisionDetected = true;
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}
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// 顶部检测
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if (direction.y > 0.1f)
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{
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Vector3 topStart = startPos + Vector3.up * sphereRadius;
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Vector3 topDirection = Vector3.up * (endBounds.max.y - startBounds.max.y);
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if (Physics.SphereCast(topStart, sphereRadius, topDirection.normalized, out hit,
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topDirection.magnitude + raycastOffset, collisionLayers))
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{
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float verticalSafeDistance = hit.distance - raycastOffset - sphereRadius;
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safePosition.y = startPos.y + verticalSafeDistance;
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collisionDetected = true;
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}
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}
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// 底部检测（防止向下穿透）
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if (direction.y < -0.1f)
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{
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Vector3 bottomStart = startPos - Vector3.up * sphereRadius;
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Vector3 bottomDirection = Vector3.down * Mathf.Abs(direction.y);
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if (Physics.SphereCast(bottomStart, sphereRadius, bottomDirection.normalized, out hit,
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bottomDirection.magnitude + raycastOffset, collisionLayers))
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{
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float verticalSafeDistance = hit.distance - raycastOffset - sphereRadius;
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safePosition.y = startPos.y - verticalSafeDistance;
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collisionDetected = true;
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}
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}
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if (collisionDetected)
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{
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// 应用地面检测并确保最小高度
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safePosition = ApplyGroundCheck(safePosition);
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return safePosition;
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}
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// 无碰撞时仍需确保地面高度
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return ApplyGroundCheck(targetPos);
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}
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// 地面检测辅助方法
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Vector3 ApplyGroundCheck(Vector3 position)
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{
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// 执行多次射线检测以提高精度
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float groundDistance = float.MaxValue;
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bool groundFound = false;
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// 中心射线
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Ray centerRay = new Ray(position + Vector3.up, Vector3.down);
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if (Physics.Raycast(centerRay, out RaycastHit centerHit, 10f, collisionLayers))
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{
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groundDistance = centerHit.distance;
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groundFound = true;
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}
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// 四角射线检测（提高边缘精度）
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float checkRadius = 0.2f;
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Vector3[] checkDirections = new Vector3[]
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{
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Vector3.forward * checkRadius + Vector3.right * checkRadius,
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Vector3.forward * checkRadius - Vector3.right * checkRadius,
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-Vector3.forward * checkRadius + Vector3.right * checkRadius,
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-Vector3.forward * checkRadius - Vector3.right * checkRadius
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};
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foreach (Vector3 dir in checkDirections)
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{
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Ray cornerRay = new Ray(position + Vector3.up + dir, Vector3.down);
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if (Physics.Raycast(cornerRay, out RaycastHit cornerHit, 10f, collisionLayers))
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{
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if (cornerHit.distance < groundDistance)
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{
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groundDistance = cornerHit.distance;
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groundFound = true;
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}
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}
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}
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// 应用地面高度
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if (groundFound)
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{
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float minSafeHeight = centerHit.point.y + minHeight;
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if (position.y < minSafeHeight)
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{
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position.y = minSafeHeight;
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}
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}
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return position;
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}
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}
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