function PauseUI()
  --Parameters
  local pauseWidth = 640
  local pauseHeight = 480
  local pauseX = (game.width/2)-(pauseWidth/2)
  local pauseY = (game.height/2)-(pauseHeight/2)
  local mouse_x, mouse_y = love.mouse.getPosition()
  --print(game.width .. " ".. game.height .. " ".. pauseWidth .. " ".. pauseHeight .. " " .. pauseX .. " " .. pauseY)
  -- Base items
  love.graphics.setColor(0,0,0,0.3)
  love.graphics.rectangle("fill", 0, 0, game.width, game.height)
  love.graphics.setColor(1,1,1,1)
  love.graphics.rectangle("fill", pauseX, pauseY, pauseWidth, pauseHeight)
end