1 line
11 KiB
C#
1 line
11 KiB
C#
using System;
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using Framework;
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using Gameplay.Performance;
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using UnityEngine;
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using Sirenix.OdinInspector;
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[ExecuteAlways]
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public class CameraController : MonoBehaviour
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{
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private const float CameraStartY = 25;
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private const float CameraStartSize = 12;
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private const float CameraStartFOV = 30;
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private const float NearClipPlane = 0.03f;
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private const float FarClipPlane = 150;
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private readonly Vector3 cameraStartRotationO = new Vector3(37.5f, -10f, 0f);
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private readonly Vector3 cameraStartRotationP = new Vector3(45, -10, 0);
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//之前的缩放是6次滚轮从最小放到最大，故每一次缩放的值为1/6f
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private const float ZoomStep = 1 / 12f;
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public float leftMargin = 1.5f;
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public float rightMargin = 1.5f;
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public float topMargin = 0.9f;
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public float bottomMargin = 0.9f;
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public float moveSpeedX = 0.19f;
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public float moveSpeedY = 0.3f;
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public float unitPerPixel = 0.01f;
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[ShowIf("isFightCamera")] public float CameraMinSize = 6;
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[ShowIf("isFightCamera")] public float CameraMaxSize = 12;
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[HideIf("isFightCamera")] public BoxCollider boxBounds;
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[HideIf("isFightCamera")] public float CameraMinFOV = 15;
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[HideIf("isFightCamera")] public float CameraMaxFOV = 30;
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[LabelText("是否战斗相机")] public bool isFightCamera = true;
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private Camera mainCamera;
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private bool isIgnoreZoomLimit;
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public Bounds CameraBounds { get; set; }
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private bool isOrthographic => mainCamera.orthographic;
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//Camera拖动控制
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public static bool FingerMoveEnable = true;
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//size,将透视和正交相机的fov和orthographic size整合为统一数值
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private float Size
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{
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get
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{
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if (isOrthographic)
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return mainCamera.orthographicSize;
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else
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{
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var fov = mainCamera.fieldOfView;
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//这里乘(CameraMaxSize - CameraMinSize)/(CameraMaxFOV - CameraMinFOV)是将fov的区间变得和orthographic size区间一致
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return fov * (CameraMaxSize - CameraMinSize) / (CameraMaxFOV - CameraMinFOV);
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}
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}
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}
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//缩放百分比，0表示放到最小，1表示放到最大
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private float ZoomScale
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{
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get
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{
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if (isOrthographic)
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return (CameraMaxSize - mainCamera.orthographicSize) / (CameraMaxSize - CameraMinSize);
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else
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return (CameraMaxFOV - mainCamera.fieldOfView) / (CameraMaxFOV - CameraMinFOV);
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}
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set
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{
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var t = Mathf.Clamp(value, 0, 1);
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if (Math.Abs(ZoomScale - t) < float.Epsilon)
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return;
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if (isOrthographic)
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mainCamera.orthographicSize = Mathf.Lerp(CameraMaxSize, CameraMinSize, t);
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else
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mainCamera.fieldOfView = Mathf.Lerp(CameraMaxFOV, CameraMinFOV, t);
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}
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}
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private void Awake()
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{
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mainCamera = GetComponent<Camera>();
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if (isFightCamera)
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{
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var useOrthographic = PerformanceManager.instance != null &&
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PerformanceManager.instance.data.fightUseOrthographic;
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var rotEuler = useOrthographic ? cameraStartRotationO : cameraStartRotationP;
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if (useOrthographic)
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{
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// TODO: 这里的值是固定的，需要根据实际情况调整
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//bottomMargin = 0.9f;
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mainCamera.orthographic = true;
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mainCamera.orthographicSize = CameraStartSize;
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mainCamera.transform.SetPositionAndRotation(new Vector3(0, CameraStartY, 0),
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Quaternion.Euler(rotEuler));
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}
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else
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{
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// TODO: 这里的值是固定的，需要根据实际情况调整
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//bottomMargin = 0.7f;
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mainCamera.orthographic = false;
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mainCamera.fieldOfView = 30;
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mainCamera.transform.SetPositionAndRotation(new Vector3(0, 27, 0),
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Quaternion.Euler(rotEuler));
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}
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}
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mainCamera.nearClipPlane = NearClipPlane;
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mainCamera.farClipPlane = FarClipPlane;
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CameraBounds = boxBounds != null ? boxBounds.bounds : CameraBounds;
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AdjustSelf();
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}
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private void OnEnable()
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{
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if (Application.isPlaying)
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{
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//InputManager.Instance.OnFingerMove += OnFingerMove2;
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EventManager.Instance.Register(EventManager.EventName.Level_OnDrag, (Action<Vector2>) OnFingerMove2);
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InputManager.Instance.OnFingersMove += OnFingersMove;
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}
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}
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private void OnDisable()
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{
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if (Application.isPlaying)
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{
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if (InputManager.Instance == null) return;
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//InputManager.Instance.OnFingerMove -= OnFingerMove2;
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EventManager.Instance.Register(EventManager.EventName.Level_OnDrag, (Action<Vector2>) OnFingerMove2);
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InputManager.Instance.OnFingersMove -= OnFingersMove;
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}
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}
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private void OnFingerMove2(Vector2 delta)
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{
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if (!FingerMoveEnable)
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return;
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Vector2 touchDeltaPosition = -delta;
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float ratio = Size * unitPerPixel;
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Vector2 cameraMove = new(touchDeltaPosition.x * moveSpeedX * ratio, touchDeltaPosition.y * moveSpeedY * ratio);
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var cameraTransform = transform;
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var moveY = cameraTransform.up;
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moveY.y = 0;
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moveY = moveY.normalized * cameraMove.y;
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var moveX = cameraTransform.right;
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moveX.y = 0;
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moveX = moveX.normalized * cameraMove.x;
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transform.Translate(moveX + moveY, Space.World);
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AdjustSelf();
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}
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private void OnFingersMove(float delta)
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{
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if (!FingerMoveEnable)
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{
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return;
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}
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//delta小于0是缩小
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var zoomDelta = delta < 0 ? -ZoomStep : ZoomStep;
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//修改缩放值
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ZoomScale += zoomDelta;
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AdjustSelf();
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}
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Vector3 CalculateHitHorizontalPosition(Vector3 startPosition, Vector3 dir, float y)
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{
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if (dir.y == 0)
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return Vector3.zero;
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var p1 = startPosition; // 直线上一点
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var v = dir; // 直线的方向向量
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float x, z;
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// 已知直线上一点 p1(x1, y1, z1) 和 直线的方向向量 v(m, n, p)
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// 根据点向式
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// (x - x1) / m = (y - y1) / n = (z - z1) / p
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// 有:
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// (x - p1.x) / v.x = (y - p1.y) / v.y = (z - p1.z) / v.z
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// 有:
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// x = p1.x + v.x * (y - p1.y) / v.y
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// z = p1.z + v.z * (y - p1.y) / v.y
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// 与平面 y = y 的交点坐标为
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x = p1.x + v.x * (y - p1.y) / v.y;
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z = p1.z + v.z * (y - p1.y) / v.y;
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return new Vector3(x, y, z);
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}
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public void InitializeCameraPosition(Vector3 targetPosition)
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{
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var useOrthographic =
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PerformanceManager.instance != null && PerformanceManager.instance.data.fightUseOrthographic;
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var rotEuler = useOrthographic ? cameraStartRotationO : cameraStartRotationP;
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mainCamera.transform.SetPositionAndRotation(
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CalculateCell2CameraPosition(targetPosition), Quaternion.Euler(rotEuler));
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AdjustSelf();
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}
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private Vector3 CalculateCell2CameraPosition(Vector3 targetPosition)
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{
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var cameraTransform = mainCamera.transform;
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var startPosition = cameraTransform.position;
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var v = cameraTransform.forward;
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float x, z;
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z = targetPosition.z - v.z * (targetPosition.y - startPosition.y) / v.y;
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x = targetPosition.x - v.x * (targetPosition.y - startPosition.y) / v.y;
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return new Vector3(x, startPosition.y, z);
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}
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public void AdjustSelf()
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{
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mainCamera.transform.position = AdjustPosition(Size, out var isInsideBounds);
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}
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private Vector3 AdjustPosition(float size, out bool IsInsideBounds)
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{
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var position = transform.position;
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IsInsideBounds = true;
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var center = CalculateHitHorizontalPosition(position, transform.forward, 0);
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var left = center.x - leftMargin * size;
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var right = center.x + rightMargin * size;
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var top = center.z + topMargin * size;
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var bottom = center.z - bottomMargin * size;
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if (right - left < CameraBounds.max.x - CameraBounds.min.x)
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{
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if (left < CameraBounds.min.x)
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{
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center.x = CameraBounds.min.x + leftMargin * size;
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IsInsideBounds = false;
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}
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else if (right > CameraBounds.max.x)
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{
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center.x = CameraBounds.max.x - rightMargin * size;
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IsInsideBounds = false;
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}
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}
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else
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{
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center.x = CameraBounds.center.x;
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IsInsideBounds = false;
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}
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if (top - bottom < CameraBounds.max.z - CameraBounds.min.z)
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{
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if (bottom < CameraBounds.min.z)
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{
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center.z = CameraBounds.min.z + bottomMargin * size;
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IsInsideBounds = false;
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}
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else if (top > CameraBounds.max.z)
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{
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center.z = CameraBounds.max.z - topMargin * size;
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IsInsideBounds = false;
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}
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}
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else
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{
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center.z = CameraBounds.center.z;
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IsInsideBounds = false;
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}
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position = CalculateHitHorizontalPosition(center, transform.forward, position.y);
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return position;
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}
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private void OnDrawGizmos()
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{
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if (mainCamera != null)
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{
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Gizmos.color = Color.red;
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var cameraTransform = transform;
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var position = cameraTransform.position;
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var size = Size;
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var center = CalculateHitHorizontalPosition(position, cameraTransform.forward, 0);
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var left = center.x - leftMargin * size;
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var right = center.x + rightMargin * size;
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var top = center.z + topMargin * size;
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var bottom = center.z - bottomMargin * size;
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Gizmos.DrawLineList(new ReadOnlySpan<Vector3>(new[]
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{
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new Vector3(left, 0.5f, top), new Vector3(left, 0.5f, bottom),
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new Vector3(left, 0.5f, bottom), new Vector3(right, 0.5f, bottom),
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new Vector3(right, 0.5f, bottom), new Vector3(right, 0.5f, top),
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new Vector3(right, 0.5f, top), new Vector3(left, 0.5f, top),
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}
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)
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);
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CameraBounds = boxBounds == null ? CameraBounds : boxBounds.bounds;
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Gizmos.DrawWireCube(CameraBounds.center, CameraBounds.size);
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}
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}
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} |