Mobile Movement won't work

Questions & Answers
1

Hello
I have a script for my player’s movement but for some reason it only works on PC. I tried SO many methods to make the player move on mobile (including joysticks, Raycasters and CrossPlatform) but nothing works. Here is my current script, would love if anybody could help me figure out why it won’t work:

using System.Collections;
using System.Collections.Generic;
using UnityStandardAssets.CrossPlatformInput;
using UnityEngine;

public class Movement : MonoBehaviour
{
    //variables    
    public Animator animator;

    public float moveSpeed = 0.9f;
    public GameObject character;
    private Rigidbody2D characterBody;
    private float ScreenWidth;
    // Use this for initialization    
    void Start()
    {
        gameObject.tag = "Player";
        ScreenWidth = Screen.width;
        characterBody = character.GetComponent<Rigidbody2D>();
    }
    // Update is called once per frame    
    void Update()
    {
        int i = 0;
        //loop over every touch found    
        while (i < Input.touchCount)
        {
            if (Input.GetTouch(i).position.x > ScreenWidth / 2)
            {
                //move right    
                RunCharacter(0f);
            }
            if (Input.GetTouch(i).position.x < ScreenWidth / 2)
            {
                //move left    
                RunCharacter(0f);
            }
            ++i;
        }
    }
    void FixedUpdate()
    {
        animator.SetFloat("Horizontal", CrossPlatformInputManager.GetAxis("Horizontal"));
#if UNITY_EDITOR
        RunCharacter(Input.GetAxis("Horizontal"));
#endif
    }
    private void RunCharacter(float horizontalInput)
    {
        //move player    
        //characterBody.AddForce(new Vector2(horizontalInput * moveSpeed * Time.deltaTime, 0f));
        characterBody.velocity = new Vector2(horizontalInput * moveSpeed * Time.deltaTime, 0.0f);

        //animator
        if (CrossPlatformInputManager.GetAxisRaw("Horizontal") == 1 || CrossPlatformInputManager.GetAxisRaw("Horizontal") == -1)
        {
            animator.SetFloat("LastMove", CrossPlatformInputManager.GetAxisRaw("Horizontal"));
        }
    }
}

also note: this script used to work on my early drafts. Not sure what changed since I only added an animator to it.

2

In both your touch inputs (in your update), you call the function RunCharacter(0f). This takes in the parameter HorizontalInput and multiplies the characterBody.velocity by it and other factors. If the HorizontalInput is 0, your character will never move!! @TheBloop

Also I didnt know you could do ++i instead of i++ to increment by 1.