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using System.Collections;
using UnityEngine;
public class InfiniteBackground : MonoBehaviour
{
[SerializeField] GameObject cam;
[SerializeField] float parallaxEffect = 0.3f;
internal Vector2 pos;
internal float spriteExtentX;
void Start()
{
Vector2 pos = transform.position;
spriteExtentX = GetComponent<SpriteRenderer>().bounds.size.x / 2;
}
void FixedUpdate()
{
float camExtentX = Camera.main.orthographicSize * Screen.width / Screen.height;
float newPosX = pos.x + (cam.transform.position.x * parallaxEffect);
if (newPosX + spriteExtentX <= Camera.main.transform.position.x + camExtentX)
{
var clone = Instantiate(this.gameObject);
clone.transform.position = new Vector3(newPosX + spriteExtentX, transform.position.y, transform.position.z);
}
else if (newPosX - spriteExtentX >= Camera.main.transform.position.x - camExtentX)
{
var clone = Instantiate(gameObject);
clone.transform.position = new Vector3(newPosX - spriteExtentX, transform.position.y, transform.position.z);
}
transform.position = new Vector3(newPosX, transform.position.y, transform.position.z);
}
void OnBecameInvisible()
{
Destroy(gameObject);
}
}
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