Defold - Basic left right movement

--prehash the inputs
local input_left = hash("left")
local input_right = hash("right")
local input_jump = hash("jump")
local direction = 0


function init(self)
 msg.post(".", "acquire_input_focus")

    -- maximum speed the instance can be moved
    self.max_speed = 100

    -- velocity of the instance, initially zero
    self.velocity = vmath.vector3()


end



--------- handles animation --------
function animation_direction(self,direction)
if direction == 1 or direction == 2 then
  msg.post("#sprite","play_animation", {id = hash("walk")})
  end

		if direction == 1 then
  			 sprite.set_hflip("#sprite", true) --turn to face direction true is oposite from original sprite directio
 		else if direction == 2 then
   			 sprite.set_hflip("#sprite", false) --false resets to original direction
    	end end
end

---------- handles input ----------

function on_input(self, action_id, action)

   if action_id == input_left and action.pressed then
   	direction = 1
   	animation_direction(self, direction)	--- run animation function
	self.velocity = vmath.vector3(action.value * -self.max_speed, 0, 0)

   else if action_id == input_right and action.pressed then
   direction = 2
   animation_direction(self, direction)  --- run animation function
   self.velocity = vmath.vector3(action.value * self.max_speed, 0, 0)

   else if action_id == input_jump then
   direction = 3
	print("jump")

     else if action.released then
      msg.post("#sprite","play_animation", {id = hash("idle")})
      self.velocity = vmath.vector3(action.value * 0, 0, 0)
     end

  	 end
  		 end
   			end
end


function update(self, dt)
    -- move the instance
    go.set_position(go.get_position() + dt * self.velocity)
end