Tp3 + start TP4

TP3/Assets/Scripts/PlatformMove.cs

@@ -0,0 +1,34 @@
+using UnityEngine;
+
+public class PlatformMove : MonoBehaviour
+{
+    [SerializeField] Transform start;
+    [SerializeField] Transform end;
+    [SerializeField]
+    [Range(0.5f, 10f)]
+    float loop_time;
+
+    float t;
+    float direction = 1.0f;
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+    }
+
+    // Update is called once per frame
+    void FixedUpdate()
+    {
+        t += Time.fixedDeltaTime * direction;
+        transform.position = Vector3.Lerp(start.position, end.position, t / loop_time);
+        if (t  > loop_time)
+        {
+            direction *= -1;
+        }
+        if (t < 0)
+        {
+            direction = 1;
+        }
+    }
+
+
+}