Moving platforms

Assets/Scripts/Obstacles/MovingPlatform.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using SimpleTools;
+using UnityEngine;
+
+public class MovingPlatform : MonoBehaviour {
+
+	[SerializeField] Vector2 endPosition;
+	[SerializeField] float moveTime;
+	[SerializeField] float stopDuration;
+
+	Vector2 _start, _end;
+	float _speed;
+
+	Coroutine _swapRoutine;
+
+	// Start is called before the first frame update
+	void Awake() {
+		_start = transform.position;
+		_end = _start + endPosition;
+		_speed = endPosition.magnitude / moveTime;
+	}
+
+	// Update is called once per frame
+	void FixedUpdate() {
+		StartCoroutine(FixedUpdateCoroutine());
+	}
+
+	IEnumerator FixedUpdateCoroutine() {
+		yield return new WaitForFixedUpdate();
+		transform.position = Vector3.MoveTowards(transform.position, _end, _speed * Time.deltaTime);
+
+		if (Math.Abs(transform.position.sqrMagnitude - _end.sqrMagnitude) < 0.05f) {
+			_swapRoutine ??= StartCoroutine(SwapCoordinates());
+		}
+	}
+
+	IEnumerator SwapCoordinates() {
+		yield return new WaitForSeconds(stopDuration);
+		(_start, _end) = (_end, _start);
+		_swapRoutine = null;
+	}
+
+	void OnTriggerEnter2D(Collider2D col) {
+		if (col.CompareTag("Player")) col.transform.SetParent(transform);
+	}
+	void OnTriggerExit2D(Collider2D col) {
+		if(col.CompareTag("Player")) col.transform.SetParent(null);
+	}
+
+	void OnDrawGizmos() {
+		Gizmos.color = Color.green;
+		Gizmos.DrawLine(transform.position, transform.position + (Vector3)endPosition);
+		Gizmos.DrawSphere(transform.position, 0.25f);
+		Gizmos.DrawSphere(transform.position + (Vector3)endPosition, 0.25f);
+	}
+}

Assets/Scripts/Obstacles/MovingPlatform.cs.meta

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