Difference between revisions of "love.keyboard.isDown"
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=== Synopsis === | === Synopsis === | ||
<source lang="lua"> | <source lang="lua"> | ||
− | anyDown = love.keyboard.isDown( | + | anyDown = love.keyboard.isDown( key, ... ) |
</source> | </source> | ||
=== Arguments === | === Arguments === | ||
− | {{param|KeyConstant| | + | {{param|KeyConstant|key|A key to check.}} |
+ | {{param|KeyConstant|...|Additional keys to check.}} | ||
=== 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.}} |
Revision as of 09:40, 17 December 2015
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.
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
See Also
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