Difference between revisions of "love.load"
m (2nd param for `love.load` is unfiltered arg of 1st param.) |
(→Examples: use locals. demonstrate use of args (main use for load). include update to make defining position meaningful.) |
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Line 16: | Line 16: | ||
== Examples == | == Examples == | ||
Establish some variables/resources on the game load, so that they can be used repeatedly in other functions (such as [[love.draw]]). | Establish some variables/resources on the game load, so that they can be used repeatedly in other functions (such as [[love.draw]]). | ||
+ | |||
+ | Run love with arguments to see them displayed: ''love . --hello''. | ||
<source lang="lua"> | <source lang="lua"> | ||
− | function love.load() | + | local text, pos |
− | + | ||
− | x = 50 | + | function love.load(args) |
− | + | local msg = args[1] or 'no arguments' | |
+ | text = love.graphics.newText(love.graphics.getFont(), msg) | ||
+ | pos = { | ||
+ | x = 50, | ||
+ | y = 50, | ||
+ | } | ||
+ | end | ||
+ | |||
+ | function love.update(dt) | ||
+ | if love.keyboard.isDown('right') then | ||
+ | pos.x = pos.x + 1 | ||
+ | end | ||
end | end | ||
function love.draw() | function love.draw() | ||
− | love.graphics.draw( | + | love.graphics.draw(text, pos.x, pos.y) |
end | end | ||
</source> | </source> |
Revision as of 22:44, 14 June 2021
This function is called exactly once at the beginning of the game.
Contents
Function
Synopsis
love.load( arg, unfilteredArg )
Arguments
table arg
- Command-line arguments given to the game.
Returns
Nothing.
Notes
In LÖVE 11.0, the passed arguments excludes the game name and the fused command-line flag (if exist) when runs from non-fused LÖVE executable. Previous version pass the argument as-is without any filtering.
Examples
Establish some variables/resources on the game load, so that they can be used repeatedly in other functions (such as love.draw).
Run love with arguments to see them displayed: love . --hello.
local text, pos
function love.load(args)
local msg = args[1] or 'no arguments'
text = love.graphics.newText(love.graphics.getFont(), msg)
pos = {
x = 50,
y = 50,
}
end
function love.update(dt)
if love.keyboard.isDown('right') then
pos.x = pos.x + 1
end
end
function love.draw()
love.graphics.draw(text, pos.x, pos.y)
end
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