gamepad.fluid

--[[
Gamepad demonstration
--]]

   require 'gui/window'

   glSelf = obj.find('self')
   glPath = glSelf.workingPath

   local win = gui.window({ title='Gamepad Demo', insideWidth=600, insideHeight=400, center=true, enableControllers=true })
   local viewport = win:clientViewport({ aspectRatio = ARF_MEET })

   local text = viewport.new('vectortext', {
      x=win.margins.left, y=20, string='Use a gamepad to control the football.', face='Noto Sans', fontSize=20, fill='rgb(0,0,0)'
   })

   local txtLeftStick = viewport.new('vectortext', {
      x=win.margins.left, y=50, string='Left Stick:', face='Noto Sans', fontSize=20, fill='rgb(0,0,0)'
   })

   local txtRightStick = viewport.new('vectortext', {
      x=win.margins.left, y=80, string='Right Stick:', face='Noto Sans', fontSize=20, fill='rgb(0,0,0)'
   })

   local txtButtons = viewport.new('vectortext', {
      x=win.margins.left, y=110, string='Buttons:', face='Noto Sans', fontSize=20, fill='rgb(0,0,0)'
   })

   local ballVP = viewport.new('VectorViewport', {
      x = 260, y = 260, width = 60, height = 60
   })

   local svg = obj.new('svg', { target=ballVP, path=glPath .. 'data/football.svg' })

   local MAX_SPEED = 3
   local ctrl = obj.new('controller', { port=0 })
   local err, controllerTimer = mSys.SubscribeTimer(1/60, function(Subscriber, Elapsed, CurrentTime)
      ctrl.acQuery()

      txtLeftStick.string = 'Left Stick: ' .. string.format('%.2f %.2f', ctrl.leftStickX, ctrl.leftStickY)
      txtRightStick.string = 'Right Stick: ' .. string.format('%.2f %.2f', ctrl.rightStickX, ctrl.rightStickY)
      txtButtons.string = 'Buttons: ' .. string.format('%.8x', ctrl.buttons)

      local speed = MAX_SPEED
      if bit.band(ctrl.buttons, CON_GAMEPAD_S) != 0 then
         speed = speed * 2
      end

      ballVP.x = ballVP.x + (ctrl.leftStickX * speed)
      ballVP.y = ballVP.y - (ctrl.leftStickY * speed)

      ballVP.width = ballVP.width + ctrl.rightStickY
      ballVP.height = ballVP.height + ctrl.rightStickY

      viewport.scene.surface.mtScheduleRedraw()
   end)

   win:show()
   processing.sleep()