About 'Scrolling Background'!

Unity Courses Talk
, ,
#1

In this video (objectives)…

  1. Add a quad and change our background image to default texture type.
  2. Create an apply a script which moves the texture offset each frame.

After watching (learning outcomes)…

Create a scrolling background by incrementing texture offset each frame.

(Unique Video Reference: 24_LD_CUD)

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#2

Hi, an alternative to Quad method.
Put this script on your background sprite.
For your background sprite asset , in inspector, setup “Sprite Mode” => “Mesh Type” = “Full Rect”.
Warning, you need to use a bigest speed than in Quad method.
Requires at least Unity 5.6 or sup.
For a pure 2D game without 3D objects :wink:

using UnityEngine;

public class BackgroundSpriteScroller : MonoBehaviour
{
    [SerializeField] float scrollSpeed;

    SpriteRenderer spriteRenderer;
    Vector2 size;

    void Reset ()
    {
        scrollSpeed = 5f;
    }

    void Start ()
    {
        spriteRenderer = GetComponent<SpriteRenderer> ();
        spriteRenderer.drawMode = SpriteDrawMode.Tiled;
        size = spriteRenderer.size;
    }

    void Update ()
    {
        size.y += scrollSpeed * Time.deltaTime;
        spriteRenderer.size = size;
    }
}

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