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  • Parallaxing in unity 3d

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    For Parallaxing the background, we need to follow few steps:


    1. The type of image using for parallax must be of type texture 
    2. Set it's wrap mode to be repeated.
    3. Assign the image to a quad 
    4. set shader as Uint/Texture
    5. Assign the script BackgroundScroller.cs to quad

    using UnityEngine;
    using System.Collections;
    
    public class BackGroundScroller : MonoBehaviour {
    
        public static BackGroundScroller current;
        float pos;
        public float speed=0;
        // Use this for initialization
        void Start () {
            current = this;
        }
        
        // Update is called once per frame
        public void go (string dir) {
        
            pos += speed;
    
            if (pos > 1f)
                pos -= 1f;
            if(dir == "Right")
                this.GetComponent<Renderer> ().material.mainTextureOffset = new Vector2 (pos, 0);
            else
                this.GetComponent<Renderer> ().material.mainTextureOffset = new Vector2 (-pos, 0);
    
        }
    
    }

    7.Create another script Movement.cs and assign it to the camera.

    using UnityEngine;
    using System.Collections;
    
    public class Movement : MonoBehaviour {
        public float speed=2f;
        //public GameObject target;
    
    
        // Use this for initialization
        void Start () {
        
        }
    
        // Update is called once per frame
        void Update () {
            float _horizontal=Input.GetAxis("Horizontal");
    
            if (_horizontal < 0) {
                this.transform.Translate (Vector2.left * Time.deltaTime * speed);
                BackGroundScroller.current.go("Left");
    
            } else if (_horizontal > 0) {
                this.transform.Translate (-Vector2.left * Time.deltaTime * speed);
                BackGroundScroller.current.go("Right");
            }
    
    
        }
    
    }

    8.Made Quad as the child of Main Camera.


    Now As you go Right and Left via arrow keys you can see parallax being happening with the image.

     

    Note: For Reference Please finds the attach unity package with the blog.

     Thanks, Please leave the comments if you have any query.

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