Fire Weapons with Key.addListener
Call the Fire Function
We did the if(Key.isDown()) conditionals in the previous exercise, so it shouldn't be much of a stretch for you to call the fire function when the SPACE key is pressed:
Test it out. You'll notice how easy it is to go wild with the laser just by holding down the space bar:
That's no good... we're on the path to building a game that won't be very challenging.
