using UnityEngine;
using System.Collections;


namespace VolumetricFogAndMist {

				public class FreeCameraMove : MonoBehaviour {
								public float cameraSensitivity = 150;
								public float climbSpeed = 20;
								public float normalMoveSpeed = 20;
								public float slowMoveFactor = 0.25f;
								public float fastMoveFactor = 3;
		
								private float rotationX = 0.0f;
								private float rotationY = 0.0f;


//								void Start () {
//												Cursor.lockState = CursorLockMode.Locked;
//								}


								void Update () {
												Vector2 mousePos = Input.mousePosition;
												if (mousePos.x < 0 || mousePos.x > Screen.width || mousePos.y < 0 || mousePos.y > Screen.height)
																return;

												rotationX += Input.GetAxis ("Mouse X") * cameraSensitivity * Time.deltaTime;
												rotationY += Input.GetAxis ("Mouse Y") * cameraSensitivity * Time.deltaTime;
												rotationY = Mathf.Clamp (rotationY, -90, 90);
			
												transform.localRotation = Quaternion.AngleAxis (rotationX, Vector3.up);
												transform.localRotation *= Quaternion.AngleAxis (rotationY, Vector3.left);
			
												if (Input.GetKey (KeyCode.LeftShift) || Input.GetKey (KeyCode.RightShift)) {
																transform.position += transform.forward * (normalMoveSpeed * fastMoveFactor) * Input.GetAxis ("Vertical") * Time.deltaTime;
																transform.position += transform.right * (normalMoveSpeed * fastMoveFactor) * Input.GetAxis ("Horizontal") * Time.deltaTime;
												} else if (Input.GetKey (KeyCode.LeftControl) || Input.GetKey (KeyCode.RightControl)) {
																transform.position += transform.forward * (normalMoveSpeed * slowMoveFactor) * Input.GetAxis ("Vertical") * Time.deltaTime;
																transform.position += transform.right * (normalMoveSpeed * slowMoveFactor) * Input.GetAxis ("Horizontal") * Time.deltaTime;
												} else {
																transform.position += transform.forward * normalMoveSpeed * Input.GetAxis ("Vertical") * Time.deltaTime;
																transform.position += transform.right * normalMoveSpeed * Input.GetAxis ("Horizontal") * Time.deltaTime;
												}
			
			
												if (Input.GetKey (KeyCode.Q)) {
																transform.position -= transform.up * climbSpeed * Time.deltaTime;
												}
												if (Input.GetKey (KeyCode.E)) {
																transform.position += transform.up * climbSpeed * Time.deltaTime;
												}
			
								}

				}
}