ParticleSystem:emit

ParticleSystem:emit

Available since LÖVE 0.9.0
This function is not supported in earlier versions.

Emits a burst of particles from the particle emitter.

Function

Synopsis

ParticleSystem:emit( numparticles )

Arguments

number numparticles

The amount of particles to emit. The number of emitted particles will be truncated if the particle system's max buffer size is reached.

Returns

Nothing.

Examples

Spawn a bunch of particles

This example will create a burst of particles when the spacebar is pressed. You can use the löve logo as an example image.

function love.load()
	local img = love.graphics.newImage('logo.png')
 
	psystem = love.graphics.newParticleSystem(img, 32)
	psystem:setParticleLifetime(2, 5) -- Particles live at least 2s and at most 5s.
	psystem:setLinearAcceleration(-5, -5, 50, 100) -- Randomized movement towards the bottom of the screen.
	psystem:setColors(255, 255, 255, 255, 255, 255, 255, 0) -- Fade to black.
end
 
function love.draw()
	-- Draw the particle system at the center of the game window.
	love.graphics.draw(psystem, love.graphics.getWidth() * 0.5, love.graphics.getHeight() * 0.5)
end
 
function love.update(dt)
	psystem:update(dt)
end
 
function love.keypressed(key)
	if key == 'space' then
		psystem:emit(32)
	end
end

See Also

• ParticleSystem