using UnityEngine;

public class rainDropsControlerSM : MonoBehaviour
{
	public Transform airplane;

	public Material rainDropsMat;

	public Vector3 prevPos;

	public Vector3 prevForward;

	public Vector3 prevEuler;

	public float motionPushPower = 0.1f;

	public float diffPushPower = 1f;

	public float angleDifferenceOffset = 0.1f;

	public float returnSpeed = 1f;

	private void Update()
	{
		if (!(rainDropsMat != null) || !(airplane != null))
		{
			return;
		}
		Vector3.Dot(prevForward, airplane.forward);
		float num = prevEuler.y - airplane.eulerAngles.y;
		if (Mathf.Abs(num) > angleDifferenceOffset)
		{
			float x = -0.25f * motionPushPower + -0.25f * Mathf.Abs(num) * 0.1f * diffPushPower;
			if (num > 0f)
			{
				x = 0.55f * motionPushPower + 0.55f * Mathf.Abs(num) * 0.1f * diffPushPower;
			}
			rainDropsMat.SetVector("directionControls", Vector4.Lerp(rainDropsMat.GetVector("directionControls"), new Vector4(x, 0f, 0f, 0f), Time.deltaTime * 50f * Mathf.Abs(num)));
		}
		else
		{
			float num2 = returnSpeed;
			_ = 0f;
			rainDropsMat.SetVector("directionControls", Vector4.Lerp(rainDropsMat.GetVector("directionControls"), new Vector4(0f, 0f, 0f, 0f), Time.deltaTime * 0.1f * num2));
		}
		prevPos = airplane.position;
		prevForward = airplane.forward;
		prevEuler = airplane.eulerAngles;
	}

	private void Start()
	{
		prevPos = airplane.position;
		prevForward = airplane.forward;
		prevEuler = airplane.eulerAngles;
		rainDropsMat.SetVector("directionControls", new Vector4(0f, 0f, 0f, 0f));
	}
}