ART

function love.load()
    love.window.setMode(love.graphics.getWidth(),love.graphics.getHeight(),{resizable=true})
    nElapsed=0
    nCircles=50
end

function love.draw()
    nMaxY=love.graphics.getHeight()
    local rad=love.graphics.getWidth()/nCircles/2
    for i=1,nCircles do
        local nY=(nElapsed*(nMaxY/100+i*5*nMaxY/nCircles))%(nMaxY*2)
        --love.graphics.circle("fill",love.graphics.getWidth()/(nCircles+1)*i,nY>nMaxY and (nMaxY*2-nY) or nY,love.graphics.getWidth()/nCircles/2,10)
        love.graphics.circle(
            "fill",
            love.graphics.getWidth()/(nCircles+1)*i,
            math.sin(((nElapsed+nElapsed*12.5*i/nCircles)%(math.pi*2)))*(nMaxY/2-rad)+nMaxY/2,
            rad,
            rad*10
        )
    end
end

function love.update(nSec)
    nElapsed=nElapsed+nSec
end