Difference between revisions of "Canvas:renderTo"
(Added variant for array, volume, and cube textures) |
m |
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Line 8: | Line 8: | ||
is the same as | is the same as | ||
<source lang="lua"> | <source lang="lua"> | ||
+ | local prevcanvas = love.graphics.getCanvas() | ||
love.graphics.setCanvas( canvas ) | love.graphics.setCanvas( canvas ) | ||
func() | func() | ||
− | love.graphics.setCanvas() | + | love.graphics.setCanvas( prevcanvas ) |
</source> | </source> | ||
Revision as of 12:43, 3 January 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.
Returns
Nothing.
Function
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.
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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