Difference between revisions of "Canvas:renderTo"
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(Update which versions certain variants and parameters were added in.) |
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=== Synopsis === | === Synopsis === | ||
<source lang="lua"> | <source lang="lua"> | ||
− | Canvas:renderTo( func ) | + | Canvas:renderTo( func, ... ) |
</source> | </source> | ||
=== Arguments === | === Arguments === | ||
{{param|function|func|A function performing drawing operations.}} | {{param|function|func|A function performing drawing operations.}} | ||
+ | {{New feature|11.5| | ||
+ | {{param|any|...|Additional arguments to call the function with.}} | ||
+ | }} | ||
=== Returns === | === Returns === | ||
Nothing. | Nothing. | ||
== Function == | == Function == | ||
+ | {{newin|[[11.0]]|type=variant}} | ||
=== Synopsis === | === Synopsis === | ||
<source lang="lua"> | <source lang="lua"> | ||
− | Canvas:renderTo( index, func ) | + | Canvas:renderTo( index, func, ... ) |
</source> | </source> | ||
=== Arguments === | === Arguments === | ||
{{param|number|index|An index to a layer (for array textures and volume textures) or an index to a cubemap face (for cubemap textures).}} | {{param|number|index|An index to a layer (for array textures and volume textures) or an index to a cubemap face (for cubemap textures).}} | ||
{{param|function|func|A function performing drawing operations.}} | {{param|function|func|A function performing drawing operations.}} | ||
+ | {{New feature|11.5| | ||
+ | {{param|any|...|Additional arguments to call the function with.}} | ||
+ | }} | ||
=== Returns === | === Returns === | ||
Nothing. | Nothing. |
Latest revision as of 13:31, 30 April 2024
Available since LÖVE 0.8.0 |
It has been renamed from Framebuffer:renderTo. |
Render to the Canvas using a function.
This is a shortcut to love.graphics.setCanvas:
canvas:renderTo( func )
is the same as
local prevcanvas = love.graphics.getCanvas()
love.graphics.setCanvas( canvas )
func()
love.graphics.setCanvas( prevcanvas )
Contents
Function
Synopsis
Canvas:renderTo( func, ... )
Arguments
function func
- A function performing drawing operations.
Available since LÖVE 11.5
any ...
- Additional arguments to call the function with.
Returns
Nothing.
Function
Available since LÖVE 11.0 |
This variant is not supported in earlier versions. |
Synopsis
Canvas:renderTo( index, func, ... )
Arguments
number index
- An index to a layer (for array textures and volume textures) or an index to a cubemap face (for cubemap textures).
function func
- A function performing drawing operations.
Available since LÖVE 11.5
any ...
- Additional arguments to call the function with.
Returns
Nothing.
Examples
Using an anonymous function for drawing to a Canvas
This example randomly draws a bunch of red lines from the top left corner of the screen to the bottom.
local canvas = love.graphics.newCanvas()
function love.update()
canvas:renderTo(function()
love.graphics.setColor(love.math.random(), 0, 0);
love.graphics.line(0, 0, love.math.random(0, love.graphics.getWidth()), love.math.random(0, love.graphics.getHeight()));
end);
end
function love.draw()
love.graphics.setColor(1, 1, 1);
love.graphics.draw(canvas);
end
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