// 第三人称摄像机，平移和旋转会同时进行平滑
public class ThirdPersonalCamera : MonoBehaviour
{/// Camera Control Paramspublic GameObject Target = null;public float Distance = 10f;public float RotateX = 0f;                                  // pitch 俯仰public float RotateY = 0f;                                  // yaw 偏航public float SmoothTime = 0.01f;                            // 平滑时间，默认为1spublic float ScrollWheelSpeed = 1000f;                      // 中轴调整速度public Vector3 TargetOffset = Vector3.zero;                 // 目标偏移量private Vector3 Velocity = Vector3.zero;                    // 平滑初速度private Vector3 Offset = Vector3.zero;                      // 根据上面三个变量计算出private const float MinDistance = 5f;                       // 镜头最近距离private const float MaxDistance = 100f;                     // 镜头最远距离void Start(){if (Target == null) return;}public void Shake(){StartCoroutine("ShakeCoroutine");}void LateUpdate(){if (Target == null) return;UpdateDistance();float radX = Mathf.Deg2Rad * RotateX;float radY = Mathf.Deg2Rad * RotateY;Offset.x = Distance * Mathf.Cos(radX) * Mathf.Cos(radY);Offset.z = Distance * Mathf.Cos(radX) * Mathf.Sin(radY);Offset.y = Distance * Mathf.Sin(radX);Vector3 targetPos = Target.transform.position + Offset + TargetOffset;transform.position = Vector3.SmoothDamp(transform.position, targetPos, ref Velocity, SmoothTime);transform.LookAt(Target.transform.position + TargetOffset);}private void UpdateDistance(){float horizontal = Input.GetAxis("Mouse ScrollWheel") * ScrollWheelSpeed * Time.deltaTime;Distance -= horizontal;}}

using UnityEngine;
using System.Collections;[ExecuteInEditMode]
public class MyDungeonCamera : MonoBehaviour
{/// [摄像机控制参数]public GameObject Target = null;public float RotateX = 0f;                                  // pitch 俯仰public float RotateY = 0f;                                  // yaw 偏航public float Distance = 10f;                                // 摄像机远近public float MoveSmoothTime = 0.3f;                         // 位置平滑时间，默认为1spublic float RotateSmoothTime = 0.3f;                       // 旋转平滑时间public float ScrollWheelSpeed = 1000f;                      // 中轴调整速度public Vector3 TargetOffset = Vector3.zero;                 // 目标偏移量private Vector3 Velocity = Vector3.zero;                    // 平滑初速度private Vector3 Offset = Vector3.zero;                      // 根据上面三个变量计算出private const float MinDistance = 5f;                       // 镜头最近距离private const float MaxDistance = 100f;                     // 镜头最远距离private Quaternion tmpRotation = Quaternion.identity;private Vector3 tmpPosition = Vector3.zero;private float RotateDamping{get{if (RotateSmoothTime <= 0f) RotateSmoothTime = 0.001f;return 1f / RotateSmoothTime;}}void LateUpdate(){if (Target == null) return;tmpRotation = transform.rotation;tmpPosition = transform.position;UpdateDistance();UpdateRotation();UpdatePosition();transform.rotation = tmpRotation;transform.position = tmpPosition;}private void UpdateRotation(){if (!NeedRotate()) return;Quaternion wantedRotation = Quaternion.Euler(RotateX, RotateY, 0f);// 旋转采用球形插值tmpRotation = Quaternion.Slerp(tmpRotation, wantedRotation, Time.deltaTime * RotateDamping);}private void UpdatePosition(){// 如果有旋转插值，则位置根据旋转变换；否则，位置自己进行插值过渡if (!NeedRotate()){Offset = Quaternion.Euler(RotateX, RotateY, 0f) * Vector3.forward * Distance;Vector3 wantedPos = Target.transform.position - Offset + TargetOffset;// 位置采用平滑阻尼过渡tmpPosition = Vector3.SmoothDamp(tmpPosition, wantedPos, ref Velocity, MoveSmoothTime);}else{Offset = tmpRotation * Vector3.forward * Distance;tmpPosition = Target.transform.position - Offset + TargetOffset;}}private void UpdateDistance(){float horizontal = Input.GetAxis("Mouse ScrollWheel") * ScrollWheelSpeed * Time.deltaTime;Distance -= horizontal;Distance = Mathf.Clamp(Distance, MinDistance, MaxDistance);}private bool NeedRotate(){Vector3 eulerAngles = transform.rotation.eulerAngles;return !(FloatEqual(eulerAngles.x, RotateX) && FloatEqual(eulerAngles.y, RotateY));}public static bool FloatEqual(float value1, float value2){float ret = value1 - value2;return ret > -0.0005f && ret < 0.0005f;}}

public class ShakeCamera : MonoBehaviour
{public float ShakeTime = 1f;public float ShakeStrength = 0.2f;private Vector3 ShakeOffset = Vector3.zero;private Vector3 preShakeOffset = Vector3.zero;void LateUpdate(){transform.position = transform.position - preShakeOffset + ShakeOffset;}public void Shake(){StopCoroutine("ShakeCoroutine");StartCoroutine("ShakeCoroutine");}public void Shake(float time){ShakeTime = time;Shake();}IEnumerator ShakeCoroutine(){float endTime = Time.time + ShakeTime;while (Time.time < endTime){ShakeOffset = Random.insideUnitSphere * ShakeStrength;yield return null;}ShakeOffset = Vector3.zero;}}