동굴 수정

Assets/02_Scripts/Cave/RaftRiverController.cs

@@ -0,0 +1,179 @@
+using UnityEngine;
+using UnityEngine.Events;
+
+public class RaftRiverController : MonoBehaviour
+{
+    [Header("Path")]
+    [SerializeField] private Transform[] pathPoints;
+
+    [Header("Steering Input")]
+    [SerializeField] private SteeringKeyXR steeringKey;
+
+    [Tooltip("체크하면 키 움직임과 반대로 뗏목이 좌우 이동합니다.")]
+    [SerializeField] private bool reverseControl = true;
+
+    [Header("Move Speed")]
+    [SerializeField] private float forwardSpeed = 5f;
+    [SerializeField] private float turnSpeed = 4f;
+
+    [Header("Side Control")]
+    [SerializeField] private float sideMoveSpeed = 10f;
+
+    [Tooltip("강 중앙선 기준 좌우 이동 가능 범위입니다. 동굴 폭 46이면 14~16 추천.")]
+    [SerializeField] private float maxSideOffset = 16f;
+
+    [Header("Arrival")]
+    [SerializeField] private float pointReachDistance = 1.5f;
+
+    [Header("Events")]
+    public UnityEvent onArrived;
+
+    private int currentPointIndex = 0;
+    private float sideOffset = 0f;
+
+    private Vector3 currentCenterPosition;
+    private Vector3 currentForward;
+    private Vector3 currentRight;
+
+    private bool isFinished = false;
+
+    public bool IsFinished => isFinished;
+
+    private void Start()
+    {
+        if (pathPoints == null || pathPoints.Length == 0)
+        {
+            Debug.LogWarning("[RaftRiverController] Path Points가 비어 있습니다.", this);
+            enabled = false;
+            return;
+        }
+
+        currentCenterPosition = transform.position;
+
+        // 첫 목표 지점은 0번이 아니라 1번부터 가는 것이 자연스러울 때가 많음.
+        // 단, 0번이 현재 위치와 다르면 그대로 0번부터 이동.
+        currentPointIndex = 0;
+    }
+
+    private void Update()
+    {
+        if (isFinished)
+            return;
+
+        MoveAlongPath();
+        HandleSideControl();
+        ApplyRaftPositionAndRotation();
+    }
+
+    private void MoveAlongPath()
+    {
+        if (currentPointIndex >= pathPoints.Length)
+        {
+            FinishRaftRide();
+            return;
+        }
+
+        Transform targetPoint = pathPoints[currentPointIndex];
+
+        Vector3 toTarget = targetPoint.position - currentCenterPosition;
+        toTarget.y = 0f;
+
+        float distance = toTarget.magnitude;
+
+        if (distance < pointReachDistance)
+        {
+            currentPointIndex++;
+
+            if (currentPointIndex >= pathPoints.Length)
+            {
+                FinishRaftRide();
+                return;
+            }
+
+            targetPoint = pathPoints[currentPointIndex];
+            toTarget = targetPoint.position - currentCenterPosition;
+            toTarget.y = 0f;
+        }
+
+        if (toTarget.sqrMagnitude < 0.001f)
+            return;
+
+        currentForward = toTarget.normalized;
+        currentCenterPosition += currentForward * forwardSpeed * Time.deltaTime;
+
+        // 진행 방향 기준 오른쪽 벡터
+        currentRight = Vector3.Cross(Vector3.up, currentForward).normalized;
+    }
+
+    private void HandleSideControl()
+    {
+        float input = 0f;
+
+        if (steeringKey != null)
+        {
+            input = steeringKey.SteeringValue;
+        }
+        else
+        {
+            // 키 연결 전 테스트용
+            input = Input.GetAxis("Horizontal");
+        }
+
+        // 반전은 여기서만 처리
+        if (reverseControl)
+        {
+            input *= -1f;
+        }
+
+        sideOffset += input * sideMoveSpeed * Time.deltaTime;
+        sideOffset = Mathf.Clamp(sideOffset, -maxSideOffset, maxSideOffset);
+    }
+
+    private void ApplyRaftPositionAndRotation()
+    {
+        Vector3 finalPosition = currentCenterPosition + currentRight * sideOffset;
+
+        // 현재 뗏목 높이 유지
+        finalPosition.y = transform.position.y;
+
+        transform.position = finalPosition;
+
+        if (currentForward != Vector3.zero)
+        {
+            Quaternion targetRotation = Quaternion.LookRotation(currentForward, Vector3.up);
+
+            transform.rotation = Quaternion.Slerp(
+                transform.rotation,
+                targetRotation,
+                turnSpeed * Time.deltaTime
+            );
+        }
+    }
+
+    private void FinishRaftRide()
+    {
+        if (isFinished)
+            return;
+
+        isFinished = true;
+
+        Debug.Log("[RaftRiverController] 목적지 도착. 뗏목 정지.");
+
+        onArrived?.Invoke();
+    }
+
+    public void StopRaft()
+    {
+        isFinished = true;
+    }
+
+    public void ResumeRaft()
+    {
+        isFinished = false;
+    }
+
+    public void SetSteeringKey(SteeringKeyXR newSteeringKey)
+    {
+        steeringKey = newSteeringKey;
+    }
+}