Difference between revisions of "Canvas:renderTo"
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== Examples == | == Examples == | ||
=== Using an anonymous function for drawing to a Canvas === | === 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. | ||
<source lang="lua"> | <source lang="lua"> | ||
− | canvas:renderTo(function() | + | local canvas = love.graphics.newCanvas() |
− | + | function love.update() | |
− | love.graphics. | + | canvas:renderTo(function() |
− | end | + | love.graphics.setColor(love.math.random(255), 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(255, 255, 255); | ||
+ | love.graphics.draw(canvas); | ||
+ | end | ||
</source> | </source> | ||
Revision as of 13:49, 25 January 2015
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
love.graphics.setCanvas( canvas )
func()
love.graphics.setCanvas()
Contents
Function
Synopsis
Canvas:renderTo( func )
Arguments
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(255), 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(255, 255, 255);
love.graphics.draw(canvas);
end
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