(SDL3バージョンはSDL3/SDL_GamepadAxisを参照すること)
| SDL_CONTROLLER_AXIS_INVALID | -1 |
| SDL_CONTROLLER_AXIS_LEFTX | 0 |
| SDL_CONTROLLER_AXIS_LEFTY | 1 |
| SDL_CONTROLLER_AXIS_RIGHTX | 2 |
| SDL_CONTROLLER_AXIS_RIGHTY | 3 |
| SDL_CONTROLLER_AXIS_TRIGGERLEFT | 4 |
| SDL_CONTROLLER_AXIS_TRIGGERRIGHT | 5 |
| SDL_CONTROLLER_AXIS_MAX | 6 |