Difference between revisions of "love.gamepadaxis"
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(→Example: Cleaned up example.) |
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=== Synopsis === | === Synopsis === | ||
<source lang="lua"> | <source lang="lua"> | ||
− | love.gamepadaxis( joystick, axis ) | + | love.gamepadaxis( joystick, axis, value ) |
</source> | </source> | ||
=== Arguments === | === Arguments === | ||
{{param|Joystick|joystick|The joystick object.}} | {{param|Joystick|joystick|The joystick object.}} | ||
{{param|GamepadAxis|axis|The virtual gamepad axis.}} | {{param|GamepadAxis|axis|The virtual gamepad axis.}} | ||
+ | {{param|number|value|The new axis value.}} | ||
=== Returns === | === Returns === | ||
Nothing. | Nothing. | ||
+ | |||
+ | == Example == | ||
+ | Update the position of an object when an axis moves. | ||
+ | |||
+ | <source lang="lua"> | ||
+ | function love.load() | ||
+ | width, height = love.graphics.getDimensions() | ||
+ | position = {x = width/2, y = height/2} | ||
+ | end | ||
+ | |||
+ | function love.gamepadaxis(joystick, axis, value) | ||
+ | if axis == "leftx" then | ||
+ | position.x = width/2 + value*width/2 | ||
+ | elseif axis == "lefty" then | ||
+ | position.y = height/2 + value*height/2 | ||
+ | end | ||
+ | end | ||
+ | |||
+ | function love.draw() | ||
+ | love.graphics.circle("fill", position.x, position.y, 50) | ||
+ | end | ||
+ | </source> | ||
== See Also == | == See Also == | ||
Line 18: | Line 41: | ||
[[Category:Callbacks]] | [[Category:Callbacks]] | ||
{{#set:Description=Called when a Joystick's virtual gamepad axis is moved.}} | {{#set:Description=Called when a Joystick's virtual gamepad axis is moved.}} | ||
+ | {{#set:Subcategory=Joystick}} | ||
+ | |||
== Other Languages == | == Other Languages == | ||
{{i18n|love.gamepadaxis}} | {{i18n|love.gamepadaxis}} |
Latest revision as of 18:57, 11 November 2021
Available since LÖVE 0.9.0 |
This function is not supported in earlier versions. |
Called when a Joystick's virtual gamepad axis is moved.
Function
Synopsis
love.gamepadaxis( joystick, axis, value )
Arguments
Joystick joystick
- The joystick object.
GamepadAxis axis
- The virtual gamepad axis.
number value
- The new axis value.
Returns
Nothing.
Example
Update the position of an object when an axis moves.
function love.load()
width, height = love.graphics.getDimensions()
position = {x = width/2, y = height/2}
end
function love.gamepadaxis(joystick, axis, value)
if axis == "leftx" then
position.x = width/2 + value*width/2
elseif axis == "lefty" then
position.y = height/2 + value*height/2
end
end
function love.draw()
love.graphics.circle("fill", position.x, position.y, 50)
end
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