using UnityEngine;

namespace PigeonCoopToolkit.Effects.Trails
{
	[AddComponentMenu("Pigeon Coop Toolkit/Effects/Smoke Trail")]
	public class SmokeTrail : TrailRenderer_Base
	{
		public float MinVertexDistance = 0.1f;

		public int MaxNumberOfPoints = 50;

		private Vector3 _lastPosition;

		private float _distanceMoved;

		public float RandomForceScale = 1f;

		protected override void Start()
		{
			base.Start();
			_lastPosition = _t.position;
		}

		protected override void Update()
		{
			if (_emit)
			{
				_distanceMoved += Vector3.Distance(_t.position, _lastPosition);
				if (_distanceMoved != 0f && _distanceMoved >= MinVertexDistance)
				{
					AddPoint(new SmokeTrailPoint(), _t.position);
					_distanceMoved = 0f;
				}
				_lastPosition = _t.position;
			}
			base.Update();
		}

		protected override void OnStartEmit()
		{
			_lastPosition = _t.position;
			_distanceMoved = 0f;
		}

		protected override void Reset()
		{
			base.Reset();
			MinVertexDistance = 0.1f;
			RandomForceScale = 1f;
		}

		protected override void InitialiseNewPoint(PCTrailPoint newPoint)
		{
			((SmokeTrailPoint)newPoint).RandomVec = Random.onUnitSphere * RandomForceScale;
		}

		protected override void OnTranslate(Vector3 t)
		{
			_lastPosition += t;
		}

		protected override int GetMaxNumberOfPoints()
		{
			return MaxNumberOfPoints;
		}
	}
}