SpriteStacking in Unity

SpriteStacking.cs

using UnityEngine;

public class SpriteStacking : MonoBehaviour
{
    public Sprite[] spriteFrames;
    public float layerSpacing = 0.01f;
    public float offset = 0.01f; // Add an offset between sprite layers
    public float parallaxSpeed = 5f;

    void Start()
    {
        // Check if sprite layers need to be created
        if (transform.childCount == 0)
        {
            CreateSpriteLayers();
        }

    }

    private void Update()
    {
    
        // Move sprite layers continuously
        MoveSpriteLayers();
    }

    void CreateSpriteLayers()
    {
        if (spriteFrames.Length == 0)
        {
            Debug.LogError("No sprite frames assigned!");
            return;
        }

        float totalDepth = spriteFrames.Length * (layerSpacing + offset);

        for (int i = 0; i < spriteFrames.Length; i++)
        {
            GameObject spriteLayer = new GameObject("SpriteLayer_" + i);
            spriteLayer.transform.parent = transform;

            SpriteRenderer spriteRenderer = spriteLayer.AddComponent<SpriteRenderer>();
            spriteRenderer.sprite = spriteFrames[i];
            spriteRenderer.sortingOrder= -i;

            // Calculate depth position with offset
            float depthPosition = i * (layerSpacing + offset);

            spriteLayer.transform.position = new Vector3(transform.position.x, -depthPosition, transform.position.z);
        }
    }

    void MoveSpriteLayers()
    {
        foreach (Transform layerTransform in transform)
        {
            // Move the layer continuously in the x-axis
            layerTransform.Rotate(new Vector3(0,0,-parallaxSpeed * Time.deltaTime));

            // Check if the layer is beyond the screen to the left, then reset its position
            if (layerTransform.position.x < -10f)  // Adjust this value based on your scene size
            {
                layerTransform.position += new Vector3((layerSpacing + offset) * spriteFrames.Length, 0f, 0f);
            }
        }
    }
}