using UnityEngine;

namespace UltimateWater.Samples
{
	public class SardineBoid : MonoBehaviour
	{
		[SerializeField]
		private float _Speed = 1.5f;

		[SerializeField]
		private float _TurnSpeed = 1f;

		[SerializeField]
		private float _FollowTime = 1f;

		[SerializeField]
		private GameObject[] _Eyes;

		public Transform Destination;

		private Rigidbody _Rigidbody;

		private Transform _Target;

		private float _Cooldown;

		private void Awake()
		{
			_Rigidbody = GetComponent<Rigidbody>();
			Animator component = GetComponent<Animator>();
			component.SetFloat("Forward", _Speed);
		}

		private void Update()
		{
			if (_Cooldown > 0f)
			{
				_Cooldown -= Time.deltaTime;
			}
			else
			{
				FindTarget();
			}
			if (base.transform.position.y > 0f)
			{
				_Rigidbody.AddForce(Vector3.down * (base.transform.position.y + 1f) * (base.transform.position.y + 1f) * 20f);
			}
			Rotate();
			_Rigidbody.velocity = base.transform.forward * _Speed;
		}

		private void FindTarget()
		{
			GameObject[] eyes = _Eyes;
			foreach (GameObject gameObject in eyes)
			{
				RaycastHit hitInfo;
				if (Physics.Raycast(gameObject.transform.position, gameObject.transform.up, out hitInfo, 100f) && !(hitInfo.collider.attachedRigidbody == null))
				{
					GameObject gameObject2 = hitInfo.collider.attachedRigidbody.gameObject;
					SardineBoid component = gameObject2.GetComponent<SardineBoid>();
					if (component != null)
					{
						_Target = hitInfo.transform;
						_Cooldown = _FollowTime / (hitInfo.distance + 1f);
						return;
					}
				}
			}
			_Target = Destination;
		}

		private void Rotate()
		{
			if (!(_Target == null))
			{
				float maxDegreesDelta = _TurnSpeed * Time.deltaTime;
				Vector3 normalized = (_Target.transform.position - base.transform.position).normalized;
				Quaternion to = Quaternion.LookRotation(normalized);
				base.transform.rotation = Quaternion.RotateTowards(base.transform.rotation, to, maxDegreesDelta);
			}
		}
	}
}