Lua Hello World!

local x, y, xv, yv = 0, 0, 0, 0;

font72 = love.graphics.newFont("font.ttf", 72)

function love.update()
  if love.keyboard.isDown('w') then
        y = y - 1
        yv = yv + 1
  end
  if love.keyboard.isDown('a') then
        x = x - 1
        xv = xv + 1
  end
  if love.keyboard.isDown('s') then
        y = y + 1
        yv = yv - 1
  end
  if love.keyboard.isDown('d') then
        x = x + 1
        xv = xv - 1
  end

  x = x + xv
  y = y + yv

  if ( xv > 0 ) then
        xv = xv - 2
  end
  if ( yv > 0 ) then
        yv = yv - 2
  end
  if ( xv < 0 ) then
        xv = xv + 2
  end
  if ( yv < 0 ) then
        yv = yv + 2
  end

  function love.draw()
        love.graphics.setColor( 204,102,86 )
        love.graphics.rectangle( "fill", 20, 50, 60, 120 )
        love.graphics.setColor( 20,202,46 )
        love.graphics.rectangle( "fill", 100, 50, 60, 120 )
        love.graphics.setColor( 76,152,234 )
        love.graphics.rectangle( "fill", 180, 50, 60, 120 )
        love.graphics.setColor( 204,86,244 )
        love.graphics.rectangle( "fill", 260, 50, 60, 120 )
        love.graphics.setFont(font72)
        love.graphics.setColor( 0,0,200,255 )
        love.graphics.print( 'Hello World!', 400 + x, 300 + y )
        love.graphics.setColor( 0,0,255,255 )
    love.graphics.print( 'Hello World!', 400 + x, 305 + y )
  end
end