Debounce: Difference between revisions

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{{CatUp|Tutorials}}
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A debounce system is a system that keeps a function from running too many times. It usually is used in a listener because a listener can be called many times while it's still working.
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A debounce system usually works like this:


<pre>
enabled = true --default is true, so that the function works
function dosomething()
if not enabled then return end --if enabled is not true, then return without doing anything.
enabled = false --set enabled to false, because this function is already doing something.
--stuff is done here
enabled = true --open up the function to be called again.
end
</pre>


So debouncing works by setting the "gate" variable (in this case, enabled) to false while it's performing the stuff it needs to do so that it won't get interrupted. After it's finished, it sets it back to true so that it can run again later.
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Let's take a look at how debounce works in a real script. Here's the Local Gui script of the Rocket Launcher:
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<pre>
enabled = true
function onButton1Down(mouse)
if not enabled then
return
end


enabled = false
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mouse.Icon = "rbxasset://textures\\GunWaitCursor.png"
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wait(12)
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mouse.Icon = "rbxasset://textures\\GunCursor.png"
enabled = true


end
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</pre>
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So, when you fire a rocket, the script shows the reload icon. Then the function waits for 12 seconds. During this time, enabled is false, so if the player tries to fire another rocket, the script won't run because the function will just return right away. After the 12 seconds are up, the reload cursor goes away and enabled becomes true again, allowing the user to fire another rocket.
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Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details!
I am permantly banned from roblox!
 
Please Spread The Word!
Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details!
I am permantly banned from roblox!
 
Please Spread The Word!
Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details!
I am permantly banned from roblox!
 
Please Spread The Word!
Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details!
I am permantly banned from roblox!
 
Please Spread The Word!
Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details!
I am permantly banned from roblox!
 
Please Spread The Word!
Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details!
I am permantly banned from roblox!
 
Please Spread The Word!Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details!
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Revision as of 06:12, 2 July 2008

Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

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Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

Please Spread The Word!

Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

Please Spread The Word!

Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

Please Spread The Word!

Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

Please Spread The Word! Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

Please Spread The Word! Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

Please Spread The Word! Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

Please Spread The Word! Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

Please Spread The Word! Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

Please Spread The Word!Attention Everyone: I did not phish Roni123’s acount! Someone hacked knkgames.com! Talk to Roni123 for more details! I am permantly banned from roblox!

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