using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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[RequireComponent(typeof(SpriteRenderer))]
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public class Tiling : MonoBehaviour
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{
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public int offsetX = 2;
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public int offsetY = 2;
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public bool hasRightBuddy = false;
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public bool hasLeftBuddy = false;
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public bool hasTopBuddy = false;
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public bool hasBottomBuddy = false;
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public bool reverseScale = false;
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private float spriteWidth = 0f;
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private float spriteHeight = 0f;
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private Camera cam;
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private Transform myTransform;
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private void Awake()
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{
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cam = Camera.main;
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myTransform = transform;
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}
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// Start is called before the first frame update
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void Start()
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{
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SpriteRenderer spriteRenderer = GetComponent<SpriteRenderer>();
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spriteWidth = spriteRenderer.sprite.bounds.size.x;
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spriteHeight = spriteRenderer.sprite.bounds.size.y;
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//GenerateBackground();
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}
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// Update is called once per frame
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void Update()
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{
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if (!hasLeftBuddy || !hasRightBuddy)
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{
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float camHorizontalExtend = cam.orthographicSize * Screen.width / Screen.height;
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float edgeVisiblePositionRight = (transform.position.x + spriteWidth / 2) - camHorizontalExtend;
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float edgeVisiblePositionLeft = (transform.position.x - spriteWidth / 2) + camHorizontalExtend;
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if (cam.transform.position.x >= edgeVisiblePositionRight - offsetX && !hasRightBuddy)
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{
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MakeNewRightOrLeftBuddy(1);
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hasRightBuddy = true;
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}
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else if (cam.transform.position.x <= edgeVisiblePositionLeft + offsetX && !hasLeftBuddy)
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{
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MakeNewRightOrLeftBuddy(-1);
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hasLeftBuddy = true;
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}
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}
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}
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private void MakeNewRightOrLeftBuddy(int rightOrLeft)
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{
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Vector3 newPosition = new Vector3(myTransform.position.x + spriteWidth * rightOrLeft, myTransform.position.y, myTransform.position.z);
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Transform newBuddy = Instantiate(myTransform, newPosition, myTransform.rotation);
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if (reverseScale)
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{
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newBuddy.localScale = new Vector3(newBuddy.localScale.x * -1, newBuddy.localScale.y, newBuddy.localScale.z);
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}
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newBuddy.parent = myTransform.parent;
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newBuddy.name = myTransform.name;
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if (rightOrLeft > 0)
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{
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newBuddy.GetComponent<Tiling>().hasLeftBuddy = true;
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}
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else if (rightOrLeft < 0)
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{
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newBuddy.GetComponent<Tiling>().hasRightBuddy = true;
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}
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}
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}
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