using System;
using UnityEngine;

namespace Artngame.TEM
{
	public static class TornadoMath
	{
		public static float GetAngle(float x, float y)
		{
			float num = Mathf.Atan2(y, x) / MathF.PI * 180f;
			if (num < 0f)
			{
				num += 360f;
			}
			return num;
		}

		public static Vector3 GetParticlePos(Vector3 centerPos, float angle, float radius, float rotationSpeed)
		{
			angle += rotationSpeed * Time.deltaTime;
			float f = angle * (MathF.PI / 180f);
			float x = centerPos.x + radius * Mathf.Cos(f);
			float z = centerPos.z + radius * Mathf.Sin(f);
			return new Vector3(x, 0f, z);
		}

		public static Vector3 GetParticleVel(float angle, float radius, float rotationSpeed)
		{
			angle += rotationSpeed * Time.deltaTime;
			float f = angle * (MathF.PI / 180f);
			float x = Mathf.Cos(f) - radius * Mathf.Sin(f);
			float z = Mathf.Sin(f) + radius * Mathf.Cos(f);
			return new Vector3(x, 0f, z);
		}

		public static float CalculateProgress(Vector3 from, Vector3 to, Vector3 current)
		{
			Vector3 rhs = to - from;
			return Vector3.Dot(current - from, rhs) / rhs.sqrMagnitude;
		}

		public static Vector3 CheckRadius(Vector3 particlePos, Vector3 centerPos, float wantedRadius)
		{
			particlePos.y = 0f;
			centerPos.y = 0f;
			float magnitude = (particlePos - centerPos).magnitude;
			Vector3 normalized = (particlePos - centerPos).normalized;
			if (magnitude < wantedRadius)
			{
				particlePos += normalized * (wantedRadius - magnitude);
			}
			return particlePos;
		}
	}
}