print("Hello from a lua script!")


local roll_x = 0.0

function couch.init()
   print("Hello from \"init\"")
end

function couch.update(delta)
   local transform = couch.root:find_node("cube"):get_transform()
   transform.rotation[2] = transform.rotation[2] + delta * roll_x
   transform.rotation[1] = transform.rotation[1] - delta * 0.3
   couch.root:find_node("cube"):set_transform(transform)
end

function couch.keypressed(scancode)
   if scancode == couch.KEY_A then roll_x = 1.0 end
   if scancode == couch.KEY_D then roll_x = -1.0 end
end

function couch.keyreleased(scancode)
   if scancode == couch.KEY_A or scancode == couch.KEY_D then roll_x = 0.0 end
end