res/platform.lua


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function moveLeft(entity, len, speed)
  local remaining = len / speed

  while (remaining > 0) do
    entity:ponderable().vel.x = -speed
    remaining = remaining - coroutine.yield()
  end
end

function moveRight(entity, len, speed)
  local remaining = len / speed

  while (remaining > 0) do
    entity:ponderable().vel.x = speed
    remaining = remaining - coroutine.yield()
  end
end

function run(entity)
  while true do
    moveRight(entity, 90, 30)
    moveLeft(entity, 90, 30)
  end
end