function App.touchpressed(x,y, dx,dy, pressure)

function App.touchpressed(id, x,y, dx,dy, pressure)

  if on.touch_press then on.touch_press(x,y, dx,dy, pressure) end

  if on.touch_press then on.touch_press(id, x,y, dx,dy, pressure) end

function App.touchreleased(x,y, dx,dy, pressure)

function App.touchreleased(id, x,y, dx,dy, pressure)

  if on.touch_release then on.touch_release(x,y, dx,dy, pressure) end

  if on.touch_release then on.touch_release(id, x,y, dx,dy, pressure) end

function App.touchmoved(x,y, dx,dy, pressure)
  if on.touch_move then on.touch_move(x,y, dx,dy, pressure) end

function App.touchmoved(id, x,y, dx,dy, pressure)
  if on.touch_move then on.touch_move(id, x,y, dx,dy, pressure) end