using System.Collections;
using System.Collections.Generic;
using UnityEngine;


public class CloudSpawner : MonoBehaviour {


	[SerializeField]
	private GameObject[] clouds;

	[SerializeField]
	private GameObject[] collectables;

	private float distanceBetweenClouds = 3f;
	private float minX, maxX;
	private float lastCloudPositionY;
	private float controlX;

	private GameObject player;


	void Awake() {
		SetMinAndMaxX ();
	}
	// Use this for initialization
	void Start () {

	}

	void SetMinAndMaxX() {
		Vector3 bounds = Camera.main.ScreenToWorldPoint (new Vector3 (0,0,0));
		//this gives you the world space coordinate of the bottom left of the screen
		// which will be a negative number as the centre of the camera is located at 0 X axis.

		maxX = -bounds.x - 0.5f; // by using - bounds we make this a positive coordinate on teh x acis eg; 3
		minX = bounds.x + 0.5f; // because the X coordinate returned from ScreenToWorldPoint was negative we don't need to change this

	}

	void Shuffle(GameObject[] arrayToShuffle) {
		for (int i=0; i < arrayToShuffle.Length; i++) {
			GameObject temp = arrayToShuffle[i];
			int random = Random.Range(i, arrayToShuffle.Length);
			arrayToShuffle[i] = arrayToShuffle[random];
			arrayToShuffle[random] = temp;
		}

	}

	void CreateClouds() {
		Shuffle (clouds);
		float positionY = 0f;
		for (int i=0; i < clouds.Length; i++) {
			Vector3 temp = clouds[i].transform.position;
			temp.y = positionY;

			if(controlX == 0) {
				temp.x = Random.Range(0.0f, maxX);
				controlX = 1;
			} else if (controlX == 1) {
				temp.x = Random.Range(0.0f, maxX);
				controlX = 2;
			} else if (controlX == 2) {
				temp.x = Random.Range(0.0f, maxX);
				controlX = 3;
			} else if (controlX == 3) {
				temp.x = Random.Range(0.0f, maxX);
				controlX = 0;
			}

			lastCloudPositionY = positionY;
			clouds[i].transform.position = temp;
			positionY -= distanceBetweenClouds;

		}


	}


}