using UnityEngine;

namespace RootMotion
{
	public class CameraControllerFPS : MonoBehaviour
	{
		public float rotationSensitivity = 3f;

		public float yMinLimit = -89f;

		public float yMaxLimit = 89f;

		private float x;

		private float y;

		private void Awake()
		{
			Vector3 eulerAngles = base.transform.eulerAngles;
			x = eulerAngles.y;
			y = eulerAngles.x;
		}

		public void LateUpdate()
		{
			Cursor.lockState = CursorLockMode.Locked;
			x += Input.GetAxis("Mouse X") * rotationSensitivity;
			y = ClampAngle(y - Input.GetAxis("Mouse Y") * rotationSensitivity, yMinLimit, yMaxLimit);
			base.transform.rotation = Quaternion.AngleAxis(x, Vector3.up) * Quaternion.AngleAxis(y, Vector3.right);
		}

		private float ClampAngle(float angle, float min, float max)
		{
			if (angle < -360f)
			{
				angle += 360f;
			}
			if (angle > 360f)
			{
				angle -= 360f;
			}
			return Mathf.Clamp(angle, min, max);
		}
	}
}