Difference between revisions of "love.graphics.setPixelEffect"
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Sets or resets a [[PixelEffect]] as the current pixel effect. All drawing operations until the next ''love.graphics.setPixelEffect'' will be drawn using the [[PixelEffect]] object specified. | Sets or resets a [[PixelEffect]] as the current pixel effect. All drawing operations until the next ''love.graphics.setPixelEffect'' will be drawn using the [[PixelEffect]] object specified. |
Revision as of 08:55, 1 April 2013
Available since LÖVE 0.8.0 |
This function is not supported in earlier versions. |
Removed in LÖVE 0.9.0 |
This function is not supported in that and later versions. It is renamed to love.graphics.setShader. |
Sets or resets a PixelEffect as the current pixel effect. All drawing operations until the next love.graphics.setPixelEffect will be drawn using the PixelEffect object specified.
Contents
Function
Synopsis
love.graphics.setPixelEffect( pixeleffect )
Arguments
PixelEffect pixeleffect
- The new pixel effect.
Returns
Nothing.
Notes
Sets the current pixel shader to a specified PixelEffect. All drawing operations until the next love.graphics.setPixelEffect will be drawn using the PixelEffect object specified.
Function
Synopsis
love.graphics.setPixelEffect( )
Arguments
None.
Returns
Nothing.
Notes
Disables pixel effects, allowing unfiltered drawing operations.
Examples
Drawing a rectangle using a pixel effect
function love.load()
effect = love.graphics.newPixelEffect [[
extern number time;
vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords)
{
return vec4((1.0+sin(time))/2.0, abs(cos(time)), abs(sin(time)), 1.0);
}
]]
end
function love.draw()
-- boring white
love.graphics.setPixelEffect()
love.graphics.rectangle('fill', 10,10,790,285)
-- LOOK AT THE PRETTY COLORS!
love.graphics.setPixelEffect(effect)
love.graphics.rectangle('fill', 10,305,790,285)
end
local t = 0
function love.update(dt)
t = t + dt
effect:send("time", t)
end
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