You got the laser firing(click here to know how we got the laser firing), but at this point, you can spam the shots which are not ideal. To counter this you can create a system where after each shot you wait for a few seconds before you’re allowed to fire another shot.
To implement a Cooldown System we need the following,
1) Figure out how much time has passed since the last shot
2) Check if the time passed since the last shot is within your acceptable range
Now, lets get to these in detail.
Figuring out how much time has passed since the last shot
This can be done with the help of,
Time.time, gives us time in seconds since the start of the game. This will help us keep track of when the shots were fired. Let’s say if we were to fire a shot 3 minutes after the game started, the Time.time would print 300 seconds.
The first shot needs to be immediate that is, it requires no cooldown. We can create a variable which will let us know when we can fire a shot.
With this we can do the following,
Check if the time since the last shot is within our acceptable range
Let’s start off by creating a variable which defines our minimum time before we’re allowed to fire the next shot.
With this cooldownTime vairable we can alter the canFire variable to allow us to shoot every three seconds.
Putting it all together we get the following,
This gives us the following result
Here we can observe that our Laser has achieved a cooldown of three seconds.