#17 Rockfall 무한 루프 버그 수정

+ Rockfall 코루틴 방식 -> Update 방식으로 변경 (간헐적으로 무한 루프에 걸리는 버그 테스트 더 필요)

Assets/02.Scripts/Prop/Rockfall.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections;
 using BlueWater.Audios;
 using BlueWater.Interfaces;
@@ -45,38 +46,54 @@ namespace BlueWater
         private ParticleSystem _groundCrashParticle;
         
         private Collider[] _hitColliders = new Collider[4];
+        private RaycastHit _raycastHit;
+        private float _startDistance = float.PositiveInfinity;
         private bool _isGrounded;
         private bool _isAttacked;
         
         // Hashes
         private static readonly int _fillHash = Shader.PropertyToID("_Fill");
 
-        private IEnumerator Start()
+        private void OnDrawGizmos()
+        {
+            Debug.DrawRay(transform.position, Vector3.down * _checkDistance, _isGrounded ? Color.blue : Color.red);
+        }
+
+        private void Start()
         {
             _sphereCollider.enabled = false;
             SpawnLocation = MapManager.Instance.SandMoleMapController.ParticleInstantiateLocation;
+            
+            if (!Physics.Raycast(transform.position, Vector3.down, out _raycastHit, 10f, _groundLayer))
+            {
+                Debug.LogError("땅을 감지하지 못하는 버그");
+                return;
+            }
+            
             BasicSetting();
             ShowIndicator();
-
+            _startDistance = _raycastHit.distance;
-            var startDistance = float.PositiveInfinity;
-            while (!_isGrounded)
-            {
-                if (!Physics.Raycast(transform.position, Vector3.down, out var hit, 10f, _groundLayer)) continue;
-                
-                if (float.IsPositiveInfinity(startDistance))
-                {
-                    startDistance = hit.distance;
         }
 
+        private void Update()
+        {
+            if (!Physics.Raycast(transform.position, Vector3.down, out _raycastHit, 10f, _groundLayer))
+            {
+                Debug.LogError("땅을 감지하지 못하는 버그");
+                return;
+            }
+            _isGrounded = _raycastHit.distance <= _checkDistance;
+
+            if (!_isGrounded)
+            {
                 if (_isUsingIndicator && _indicator)
                 {
-                    var fillValue = Mathf.Lerp(1f, 0f, hit.distance / startDistance);
+                    var fillValue = Mathf.Lerp(1f, 0f, _raycastHit.distance / _startDistance);
                     _indicator.material.SetFloat(_fillHash, fillValue);
                 }
-                _isGrounded = hit.distance <= _checkDistance;
-                yield return null;
             }
-            
+            else if (_isGrounded && !_isAttacked)
+            {
                 _indicator.material.SetFloat(_fillHash, 1f);
                 HideIndicator();
                 
@@ -105,6 +122,10 @@ namespace BlueWater
                     if (iDamageable == null || !iDamageable.CanDamage()) continue;
                 
                     iDamageable.TakeDamage(_attackDamage);
+                    Die();
+                }
+
+                _isAttacked = true;
             }
         }