Updated collapsing platform script

Assets/Scripts/Platforms/CollapsingPlatform.cs

@@ -1,9 +1,51 @@
+using System.Collections;
+using Movement;
 using UnityEngine;
 
 namespace Platforms
 {
     public class CollapsingPlatform : MonoBehaviour
     {
-        
+        private const float TimeBeforeCollapse = 2.0f;
+        private const float TimeBeforeReset = 4.0f;
+
+        private CollisionChecker _collidingTriggerCheck;
+
+        private bool _onCollision;
+
+        private void Awake()
+        {
+            _collidingTriggerCheck = GetComponentInChildren<CollisionChecker>();
+        }
+
+        private void Update()
+        {
+            if (!_collidingTriggerCheck.IsCollided || _onCollision) return;
+            Debug.Log("On collision");
+            _onCollision = true;
+            StartCoroutine(Collapse());
+        }
+
+        private void ChangeState(bool state)
+        {
+            GetComponent<SpriteRenderer>().enabled = state;
+            GetComponent<Collider2D>().enabled = state;
+        }
+
+        private IEnumerator Collapse()
+        {
+            //changer sprite en rouge
+            yield return new WaitForSeconds(TimeBeforeCollapse);
+            ChangeState(false);
+            StartCoroutine(Reset());
+        }
+
+        private IEnumerator Reset()
+        {
+            yield return new WaitForSeconds(TimeBeforeReset);
+            _onCollision = false;
+            //change sprite en normal
+            ChangeState(true);
+        }
     }
 }