Difference between revisions of "love.graphics.setBlendMode"
m (Newin template) |
m (The 'multiply' blend mode must be used with premultiplied alpha, the example given would throw an error.) |
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Line 38: | Line 38: | ||
love.graphics.setColor(12/255, 100/255, 230/255) | love.graphics.setColor(12/255, 100/255, 230/255) | ||
− | love.graphics.setBlendMode("multiply") | + | love.graphics.setBlendMode("multiply", "premultiplied") |
love.graphics.rectangle("fill", 75, 75, 125, 125) | love.graphics.rectangle("fill", 75, 75, 125, 125) | ||
end | end |
Revision as of 13:04, 16 February 2021
Available since LÖVE 0.2.0 |
This function is not supported in earlier versions. |
Sets the blending mode.
Contents
Function
Synopsis
love.graphics.setBlendMode( mode )
Arguments
BlendMode mode
- The blend mode to use.
Returns
Nothing.
Function
Available since LÖVE 0.10.0 |
This variant is not supported in earlier versions. |
Synopsis
love.graphics.setBlendMode( mode, alphamode )
Arguments
BlendMode mode
- The blend mode to use.
BlendAlphaMode alphamode ("alphamultiply")
- What to do with the alpha of drawn objects when blending.
Returns
Nothing.
Notes
The default "alphamultiply" alpha mode should normally be preferred except when drawing content with pre-multiplied alpha. If content is drawn to a Canvas using the "alphamultiply" mode, the Canvas texture will have pre-multiplied alpha afterwards, so the "premultiplied" alpha mode should generally be used when drawing a Canvas to the screen.
Example
function love.load()
love.graphics.setBackgroundColor(54/255, 172/255, 248/255)
end
function love.draw()
love.graphics.setBlendMode("alpha") --Default blend mode
love.graphics.setColor(230/255, 44/255, 123/255)
love.graphics.rectangle("fill", 50, 50, 100, 100)
love.graphics.setColor(12/255, 100/255, 230/255)
love.graphics.setBlendMode("multiply", "premultiplied")
love.graphics.rectangle("fill", 75, 75, 125, 125)
end
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