paralax script

MuseumGame/Assets/Scripts/ScrollingBackground.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class ScrollingBackground : MonoBehaviour
+{
+    public float backgroundSize;
+    public float paralaxSpeed;
+    public float depth;
+
+    public bool scrolling, paralax;
+
+    private Transform cameraTransform;
+    private Transform[] layers;
+    private float viewZone = 10;
+    private int leftIndex;
+    private int rightIndex;
+    private float lastCameraX;
+
+    private void Start()
+    {
+
+        cameraTransform = Camera.main.transform;
+        lastCameraX = cameraTransform.position.x;
+        layers = new Transform[transform.childCount];
+        for (int i = 0; i < transform.childCount; i++)
+        {
+            layers[i] = transform.GetChild(i);
+            Debug.Log("Added Layer");
+        }
+        leftIndex = 0;
+        rightIndex = layers.Length - 1;
+
+    }
+
+    private void Update()
+    {
+
+        if (paralax)
+        {
+            float deltaX = cameraTransform.position.x - lastCameraX;
+            transform.position += Vector3.right * (deltaX * paralaxSpeed);
+        }
+
+        lastCameraX = cameraTransform.position.x;
+
+        if (scrolling)
+        {
+            if (cameraTransform.position.x < (layers[leftIndex].transform.position.x + viewZone))
+            {
+                ScrollLeft();
+            }
+            if (cameraTransform.position.x > (layers[rightIndex].transform.position.x - viewZone))
+            {
+                ScrollRight();
+            }
+        }
+    }
+
+    private void ScrollLeft()
+    {
+        int lastRight = rightIndex;
+        layers[rightIndex].position = new Vector3(layers[leftIndex].position.x - backgroundSize, layers[leftIndex].position.y, depth);
+        leftIndex = rightIndex;
+        rightIndex--;
+        if (rightIndex < 0)
+        {
+            rightIndex = layers.Length - 1;
+        }
+    }
+
+    private void ScrollRight()
+    {
+        int lastLeft = leftIndex;
+        layers[leftIndex].position = new Vector3(layers[rightIndex].position.x + backgroundSize, layers[leftIndex].position.y, depth);
+        rightIndex = leftIndex;
+        leftIndex++;
+        if (leftIndex == layers.Length)
+        {
+            leftIndex = 0;
+        }
+    }
+}

MuseumGame/Assets/Scripts/ScrollingBackground.cs.meta

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