If you haven’t completed the previous steps yet, please go through the previous tutorial on How to create Block Breaking first.

The game is cleared if all Block objects are destroyed.
All Block objects are placed in the children of the Blocks object, so let’s clear it when the number of child objects of the Blocks object is 0.

Adding Logic Behavior to Blocks

Select Blocks object
Click the Add Component button in the Inspector window
Select Logic Toolkit/Logic Behavior and add Logic Behavior component
Click the Logic Behavior Edit button to open the Logic Editor window

Edit Blocks’ Logic Behavior

Creating an Int Equals node

Delete Start node
Click on the graph and press the Spacebar while it has focus to open the node creation menu
Select the Scripts tab
Enter Int Equals in the search field
Select Int Equals (Event) from the list

Creating the Transform.childCount node

Drag and drop the input port of the Value 1 field of the Int Equals node to open the node creation menu
Select the Members tab
Enter Transform childCount in the search field
Select childCount [Get] of UnityEngine.Transform from the list
Select Compute from the node type selection menu

Creating a GameObject.SetActive node

Drag and drop the execution port of the Int Equals node and open the node creation menu.
Select the Members tab
Enter GameObject SetActive in the search field
Select SetActive(bool value) of UnityEngine.GameObject from the list
Select Action from the node type selection menu

Editing that GameObject.SetActive node

Set Canvas/Game Clear object in Target field
You can set it in one of the following ways:
- Change Self to Value and set the Canvas/Game Clear object in the Object field
- Leave it as Self and drag and drop the Canvas/Game Clear object from the Hierarchy window into the Target field
Check Value field