init

Assets/Scripts/Tools/Cinemachine/DollyTrackAnimation/CMCameraRail.cs

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+using Cinemachine;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class CMCameraRail : MonoBehaviour{
+
+    [SerializeField] CinemachineVirtualCamera dollyTrackCamera = default;
+    CinemachineTrackedDolly cameraTrack;
+
+    [Space]
+    [SerializeField] Waypoint[] waypoints = default;
+    int totalCount;
+    int currentCount;
+
+    bool finished;
+    bool paused;
+
+    float easedPercentBetweenWaypoints;
+    float speed;
+    float currentEase;
+    float percentBetweenWaypoints;
+    float nextPos;
+    float lastFieldOfView;
+
+    void Awake(){
+        totalCount = waypoints.Length - 1;
+        if(dollyTrackCamera != null){
+            cameraTrack = dollyTrackCamera.GetCinemachineComponent<CinemachineTrackedDolly>();
+        }
+    }
+
+    // Update is called once per frame
+    void Update(){
+        if(!finished && !paused){
+            Waypoint waypoint = waypoints[currentCount];
+
+            if(currentCount == 0){
+                speed = Time.deltaTime / waypoint.timeBetweenWaypoints * waypoint.endWaypoint;
+                percentBetweenWaypoints += speed / waypoint.endWaypoint;
+                percentBetweenWaypoints = Mathf.Clamp01(percentBetweenWaypoints);
+                easedPercentBetweenWaypoints = Ease(percentBetweenWaypoints);
+
+                nextPos = easedPercentBetweenWaypoints * waypoint.endWaypoint;
+            }else{
+                speed = Time.deltaTime / waypoint.timeBetweenWaypoints * (waypoint.endWaypoint - waypoints[currentCount - 1].endWaypoint);
+                percentBetweenWaypoints += speed / (waypoint.endWaypoint - waypoints[currentCount - 1].endWaypoint);
+                percentBetweenWaypoints = Mathf.Clamp01(percentBetweenWaypoints);
+                easedPercentBetweenWaypoints = Ease(percentBetweenWaypoints);
+
+                nextPos = waypoints[currentCount - 1].endWaypoint + easedPercentBetweenWaypoints * (waypoint.endWaypoint - waypoints[currentCount - 1].endWaypoint);
+            }
+
+            dollyTrackCamera.m_Lens.FieldOfView = Mathf.Lerp(lastFieldOfView, waypoint.fieldOfView, easedPercentBetweenWaypoints);
+
+            if (cameraTrack.m_PathPosition < waypoint.endWaypoint){
+                cameraTrack.m_PathPosition = nextPos;
+            }else{
+                NextWaypoint();
+            }
+        }
+    }
+
+    float Ease(float x){
+        if (waypoints[currentCount].ease){
+            float a = currentEase + 1;
+            return Mathf.Pow(x, a) / (Mathf.Pow(x, a) + Mathf.Pow(1 - x, a));
+        }else{
+            return x;
+        }
+    }
+
+    /// <summary> Starts playing the cutscene. </summary>
+    public void StartRail(){
+        lastFieldOfView = dollyTrackCamera.m_Lens.FieldOfView;
+        Waypoint waypoint = waypoints[currentCount];
+        if (waypoint.startDelay > 0){
+            paused = true;
+            StartCoroutine(DelayMovement(waypoint.startDelay));
+        }
+        currentEase = waypoint.ease ? waypoint.easeAmount : 1;
+    }
+
+    void NextWaypoint(){
+        lastFieldOfView = dollyTrackCamera.m_Lens.FieldOfView;
+        if (currentCount >= totalCount){
+            Debug.Log("Finish");
+            finished = true;
+        }else{
+            percentBetweenWaypoints = 0;
+            currentCount++;
+            Waypoint waypoint = waypoints[currentCount];
+            if(waypoint.startDelay > 0){
+                paused = true;
+                StartCoroutine(DelayMovement(waypoint.startDelay));
+            }
+            currentEase = waypoint.ease ? waypoint.easeAmount : 1;
+        }
+    }
+
+    IEnumerator DelayMovement(float delay){
+        yield return new WaitForSeconds(delay);
+        paused = false;
+    }
+}

Assets/Scripts/Tools/Cinemachine/DollyTrackAnimation/CMCameraRail.cs.meta

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+guid: 6e80df5e5cd6b984396c057f7ce9a9c7
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+  serializedVersion: 2
+  defaultReferences: []
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Assets/Scripts/Tools/Cinemachine/DollyTrackAnimation/Waypoint.cs

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+using UnityEngine;
+
+[System.Serializable]
+public class Waypoint{
+
+    [Min(0)] public float startDelay;
+
+    [Header("Easing")]
+    public bool ease;
+    [Range(0f, 2f)] public float easeAmount;
+
+    [Header("Waypoints")]
+    [Min(0)] public float timeBetweenWaypoints;
+    [Min(0)] public int endWaypoint;
+
+    [Header("Field of View")]
+    [Range(1, 179)] public float fieldOfView = 60;
+}

Assets/Scripts/Tools/Cinemachine/DollyTrackAnimation/Waypoint.cs.meta

@@ -0,0 +1,11 @@
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