ICTS_2021/Unity3/Assets/UI/Loader/HorizontalMovementAccordingToScale.cs

using UnityEngine;
using System.Collections.Generic;
using System;

/// <summary>
/// This component is very similar to the HorizontalMovement but is used the loading background
/// sperms. The velocity is scaled down according to their scale to give the illusion of depth
/// </summary>T
public class HorizontalMovementAccordingToScale : MovementBase
{
	public float minSpeed = 300;
	public float maxSpeed = 600;
	float _speed = 300;

	bool _isSetup;

	void OnEnable()
	{
		//have to delay setup on update due to pooling
		_isSetup = false;
	}

	void Update()
	{
		if (!_isSetup)
		{
			_speed = RandomSingleton.Instance.NextFloat(minSpeed, maxSpeed);
			_speed *= transform.localScale.y; //use the scaling as a factor of speed. The more scaled down == further away == slower
			_isSetup = true;
		}

		float delta = _speed * Time.deltaTime;
		transform.localPosition += new Vector3(delta, 0);
	}

	public override void Encode(List<byte> data)
	{
		data.AddRange(BitConverter.GetBytes(minSpeed));
		data.AddRange(BitConverter.GetBytes(maxSpeed));
	}

	public override void Decode(byte[] data, ref int index)
	{
		minSpeed = BitConverter.ToSingle(data, index);
		index += sizeof(float);
		maxSpeed = BitConverter.ToSingle(data, index);
		index += sizeof(float);
	}

}