using System;
using UnityEngine;

namespace BitStrap
{
	public static class VectorHelper
	{
		public static Vector2 UnitRotateTowards(Vector2 current, Vector2 target, float maxRadiansDelta)
		{
			float current2 = Mathf.Atan2(current.y, current.x) * 57.29578f;
			float target2 = Mathf.Atan2(target.y, target.x) * 57.29578f;
			float f = Mathf.MoveTowardsAngle(current2, target2, maxRadiansDelta * 57.29578f) * ((float)Math.PI / 180f);
			return new Vector2(Mathf.Cos(f), Mathf.Sin(f));
		}

		public static bool IsBetweenVectors(Vector3 direction, Vector3 lowerBound, Vector3 upperBound)
		{
			return IsOnVectorSide(direction, lowerBound, upperBound) && IsOnVectorSide(direction, upperBound, lowerBound);
		}

		public static bool IsOnVectorSide(Vector3 direction, Vector3 vector, Vector3 sidePivot)
		{
			return Vector3.Dot(Vector3.Cross(vector, direction), Vector3.Cross(vector, sidePivot)) > 0f;
		}

		public static bool IsZero(this Vector3 vec)
		{
			return vec.sqrMagnitude <= 0.001f;
		}

		public static bool IsZero(this Vector2 vec)
		{
			return vec.sqrMagnitude <= 0.001f;
		}
	}
}