Difference between revisions of "love.keyboard.isDown"
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m (Added table variant available since 0.10.2) |
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=== Returns === | === Returns === | ||
{{param|boolean|down|True if the key is down, false if not.}} | {{param|boolean|down|True if the key is down, false if not.}} | ||
| + | |||
== Function == | == Function == | ||
{{newin|[[0.7.2]]|072|type=variant}} | {{newin|[[0.7.2]]|072|type=variant}} | ||
| Line 20: | Line 21: | ||
=== Returns === | === Returns === | ||
{{param|boolean|anyDown|True if any supplied key is down, false if not.}} | {{param|boolean|anyDown|True if any supplied key is down, false if not.}} | ||
| + | |||
| + | == Function == | ||
| + | {{newin|[[0.10.2]]|102|type=variant}} | ||
| + | === Synopsis === | ||
| + | <source lang="lua"> | ||
| + | anyDown = love.keyboard.isDown({ key, ... }) | ||
| + | </source> | ||
| + | === Arguments === | ||
| + | {{param|table|keys|Table of keys to check.}} | ||
| + | {{subparam|KeyConstant|key|A key to check.}} | ||
| + | {{subparam|KeyConstant|...|Additional keys to check.}} | ||
| + | === Returns === | ||
| + | {{param|boolean|anyDown|True if any supplied key is down, false if not.}} | ||
| + | |||
== Examples == | == Examples == | ||
=== Increase a value while a key is held down === | === Increase a value while a key is held down === | ||
| Line 41: | Line 56: | ||
* [[parent::love.keyboard]] | * [[parent::love.keyboard]] | ||
* [[love.keypressed]] | * [[love.keypressed]] | ||
| − | * [[love.keyreleased]] | + | * [[love.keyreleased]] |
| + | * [[love.keyboard.isScancodeDown]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
{{#set:Description=Checks whether a certain key is down.}} | {{#set:Description=Checks whether a certain key is down.}} | ||
Latest revision as of 13:10, 7 December 2022
Checks whether a certain key is down. Not to be confused with love.keypressed or love.keyreleased.
Contents
Function
Synopsis
down = love.keyboard.isDown( key )
Arguments
KeyConstant key- The key to check.
Returns
boolean down- True if the key is down, false if not.
Function
| Available since LÖVE 0.7.2 |
| This variant is not supported in earlier versions. |
Synopsis
anyDown = love.keyboard.isDown( key, ... )
Arguments
KeyConstant key- A key to check.
KeyConstant ...- Additional keys to check.
Returns
boolean anyDown- True if any supplied key is down, false if not.
Function
| Available since LÖVE 0.10.2 |
| This variant is not supported in earlier versions. |
Synopsis
anyDown = love.keyboard.isDown({ key, ... })
Arguments
table keys- Table of keys to check.
KeyConstant key- A key to check.
KeyConstant ...- Additional keys to check.
Returns
boolean anyDown- True if any supplied key is down, false if not.
Examples
Increase a value while a key is held down
local val = 0;
function love.update(dt)
-- We will increase the variable by 1 for every second the key is held down.
if love.keyboard.isDown("up") then
val = val + dt
print(val)
end
-- We will decrease the variable by 1/s if any of the wasd keys is pressed.
if love.keyboard.isDown('w', 'a', 's', 'd') then
val = val - dt
print(val)
end
end
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