adding in some needed packages

Assets/DamageNumbersPro/Demo/Scripts/DNP_GUI.cs

@@ -0,0 +1,79 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace DamageNumbersPro.Demo
+{
+    public class DNP_GUI : MonoBehaviour
+    {
+        public static DNP_GUI instance;
+
+        float nextShotTime;
+        RectTransform canvasRect;
+
+        void Awake()
+        {
+            instance = this;
+            canvasRect = GetComponent<RectTransform>();
+
+            Cursor.visible = true;
+            Cursor.lockState = CursorLockMode.None;
+        }
+
+        void Update()
+        {
+            HandleShooting();
+        }
+
+        void HandleShooting()
+        {
+            if (DNP_UIArea.CanSpawn() == false) return;
+
+            if (DNP_InputHandler.GetLeftClick())
+            {
+                Shoot();
+                nextShotTime = Time.time + 0.3f;
+            }
+            else if (DNP_InputHandler.GetRightHeld() && Time.time > nextShotTime)
+            {
+                Shoot();
+                nextShotTime = Time.time + 0.06f;
+            }
+        }
+
+        void Shoot()
+        {
+            //Select Damage Number:
+            DNP_PrefabSettings settings = DNP_DemoManager.instance.GetSettings();
+            DamageNumber prefab = DNP_DemoManager.instance.GetCurrent();
+            DNP_UIArea.OnSpawn();
+
+            //Number:
+            float number = 1 + Mathf.Pow(Random.value, 2.2f) * settings.numberRange;
+            if (prefab.digitSettings.decimals == 0)
+            {
+                number = Mathf.Floor(number);
+            }
+
+            //Get Parent:
+            RectTransform rectParent = DNP_UIArea.GetRect();
+            if (rectParent == null)
+            {
+                rectParent = canvasRect;
+            }
+
+            //Create Damage Number:
+            DamageNumber newDamageNumber = prefab.Spawn(Vector3.zero, number);
+            newDamageNumber.SetToMousePosition(rectParent, Camera.main);
+
+            if(rectParent != canvasRect)
+            {
+                newDamageNumber.enableFollowing = true;
+                newDamageNumber.followedTarget = rectParent;
+            }
+
+            //Apply Demo Settings:
+            settings.Apply(newDamageNumber);
+        }
+    }
+}