CrowdControl/Assets/Feel/FeelDemos/Snake/Scripts/SnakeFood.cs

using System;
using System.Collections;
using System.Collections.Generic;
using MoreMountains.Feedbacks;
using MoreMountains.Tools;
using UnityEngine;

namespace MoreMountains.Feel
{
	/// <summary>
	/// This class handles Feel's Snake demo's food objects, that the snake has to eat to score points
	/// </summary>
	public class SnakeFood : MonoBehaviour
	{
		/// a duration (in seconds) during which the food is inactive before moving it to another position
		public float OffDelay = 1f;
		/// the food's visual representation
		public GameObject Model;
		/// a feedback to play when food gets eaten
		public MMFeedbacks EatFeedback;
		/// a feedback to play when food appears
		public MMFeedbacks AppearFeedback;
		/// the food spawner
		public SnakeFoodSpawner Spawner { get; set; }
        
		protected Snake _snake;
        
		/// <summary>
		/// When this food gets eaten, we play its eat feedback, and start moving it somewhere else in the scene
		/// </summary>
		/// <param name="other"></param>
		protected void OnTriggerEnter2D(Collider2D other)
		{
			_snake = other.GetComponent<Snake>();

			if (_snake != null)
			{
				_snake.Eat();
				EatFeedback?.PlayFeedbacks();
				StartCoroutine(MoveFood());
			}
		}

		/// <summary>
		/// Moves the food to another spot
		/// </summary>
		/// <returns></returns>
		protected virtual IEnumerator MoveFood()
		{
			Model.SetActive(false);
			yield return MMCoroutine.WaitFor(OffDelay);
			Model.SetActive(true);
			this.transform.position = Spawner.DetermineSpawnPosition();
			AppearFeedback?.PlayFeedbacks();
		}
	}
}