Difference between revisions of "love.keyboard.isDown"
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=== Synopsis === | === Synopsis === | ||
<source lang="lua"> | <source lang="lua"> | ||
| − | down = love.keyboard.isDown( key | + | down = love.keyboard.isDown( key ) |
</source> | </source> | ||
=== Arguments === | === Arguments === | ||
{{param|KeyConstant|key|The key to check.}} | {{param|KeyConstant|key|The key to check.}} | ||
| − | |||
| − | |||
| − | |||
=== Returns === | === Returns === | ||
| − | {{param|boolean|down|True if the any supplied key is down, false if not.}} | + | {{param|boolean|down|True if the key is down, false if not.}} |
| + | == Function == | ||
| + | {{newin|[[0.7.2]]|072|type=variant}} | ||
| + | === Synopsis === | ||
| + | <source lang="lua"> | ||
| + | anyDown = love.keyboard.isDown( key1, key2, key3, ... ) | ||
| + | </source> | ||
| + | === Arguments === | ||
| + | {{param|KeyConstant|keyN|A key 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 === | ||
Revision as of 16:22, 20 November 2012
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( key1, key2, key3, ... )
Arguments
KeyConstant keyN- A key 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
val = 0 -- establish a variable for later use
function love.update(dt)
if love.keyboard.isDown("up") then
val = val + dt -- we will increase the variable by 1 for every second the key is held down
end
end
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