(subclass GameIODevice ComputerIODevice) | ComputerInput.kif 615-615 | GameIODevice 是 ComputerIODevice 的 subclass |
(subclass GamePad GameIODevice) | ComputerInput.kif 620-620 | GamePad 是 GameIODevice 的 subclass |
(subclass GameIODeviceWithAccelerometer GameIODevice) | ComputerInput.kif 633-633 | GameIODeviceWithAccelerometer 是 GameIODevice 的 subclass |