function init(self)
	msg.post(".", "acquire_input_focus") -- <1>
	self.vel = vmath.vector3() -- <2>    
end

function update(self, dt)
	local pos = go.get_position() -- <3>
	pos = pos + self.vel * dt -- <4>
	go.set_position(pos) -- <5>

	self.vel.x = 0 -- <6>
	self.vel.y = 0

	-- sprite.play_flipbook("#body", "s")
	rot = go.get_rotation()
	print(rot)

end

function on_input(self, action_id, action)
	if action_id == hash("up") then
		self.vel.y = 150 -- <7>
	elseif action_id == hash("down") then
		self.vel.y = -150
	elseif action_id == hash("left") then
		self.vel.x = -150 -- <8>
	elseif action_id == hash("right") then
		self.vel.x = 150
	end
end