Making a Tower Defense Game - Construct 2 Game Development by Example - page 153

We want to check whether the event is touching the wave button. We can do so by select-
ing the WaveButton option in the Parameters for Touch: On touched object dialog
box, as shown in the following screenshot:
Now, add an action. This action is going to be System, set variable, and we are going to
set isWave to 1 . It should look like the following screenshot:
Go ahead and try out the game. You should see that when you press the WaveButton , the
turrets start shooting!