beat-td/Assets/Scripts/PositionFromMouse.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PositionFromMouse : MonoBehaviour {
    
	void Update () {
        Vector3 worldPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
        transform.position = new Vector3(worldPosition.x, worldPosition.y, transform.position.z);
    }
}