Difference between revisions of "love.mouse.isDown"

m
Line 7: Line 7:
 
=== Synopsis ===
 
=== Synopsis ===
 
<source lang="lua">
 
<source lang="lua">
down = love.mouse.isDown( buttonA, buttonB, ... )
+
down = love.mouse.isDown( button, ... )
 
</source>
 
</source>
 
=== Arguments ===
 
=== Arguments ===
{{param|number|buttonN|The index of a button to check. 1 is the primary mouse button, 2 is the secondary mouse button, etc.}}
+
{{param|number|button|The index of a button to check. 1 is the primary mouse button, 2 is the secondary mouse button, etc.}}
 +
{{param|number|...|Additional button indexes you want to check.}}
 
=== Returns ===
 
=== Returns ===
 
{{param|boolean|down|True if any specified button is down.}}
 
{{param|boolean|down|True if any specified button is down.}}

Revision as of 09:29, 17 December 2015

Checks whether a certain mouse button is down.

This function does not detect mousewheel scrolling; you must use the love.wheelmoved (or love.mousepressed in version 0.9.2 and older) callback for that.

Function

Available since LÖVE 0.10.0
This variant is not supported in earlier versions.

Synopsis

down = love.mouse.isDown( button, ... )

Arguments

number button
The index of a button to check. 1 is the primary mouse button, 2 is the secondary mouse button, etc.
number ...
Additional button indexes you want to check.

Returns

boolean down
True if any specified button is down.

Function

Removed in LÖVE 0.10.0
This variant is not supported in that and later versions.

Synopsis

down = love.mouse.isDown( button )

Arguments

MouseConstant button
The button to check.

Returns

boolean down
True if the specified button is down.

Function

Available since LÖVE 0.7.2
This variant is not supported in earlier versions.
Removed in LÖVE 0.10.0
This variant is not supported in that and later versions.

Synopsis

anyDown = love.mouse.isDown( button1, button2, button3, ... )

Arguments

MouseConstant buttonN
A button to check.

Returns

boolean anyDown
True if any specified button is down, false otherwise.

Example

Increase a value while the right mouse button is held (version 0.10.0 and newer)

val = 0   -- establish a variable for later use
function love.update(dt)
	if love.mouse.isDown(2) then
		val = val + dt   -- we will increase the variable by 1 for every second the button is held down
	end	
end

Increase a value while the right mouse button is held (version 0.9.2 and older)

val = 0   -- establish a variable for later use
function love.update(dt)
	if love.mouse.isDown("r") then
		val = val + dt   -- we will increase the variable by 1 for every second the button is held down
	end	
end

See Also


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