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| export declare function gamepadButtonPress(listeners: { | |
| [button: number]: () => void; | |
| }): Promise<void>; |
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| export async function gamepadButtonPress(listeners) { | |
| const lastStates = []; | |
| while (true) { | |
| const gamepads = [...navigator.getGamepads()].filter(Boolean); | |
| if (gamepads.length === 0) { | |
| await new Promise((resolve) => { | |
| addEventListener('gamepadconnected', () => resolve(), { once: true }); | |
| }); | |
| continue; | |
| } | |
| await new Promise((r) => requestAnimationFrame(r)); | |
| for (const gamepad of gamepads) { | |
| const state = gamepad.buttons.map((button) => button.pressed); | |
| const lastState = lastStates[gamepad.index] || state.map(() => false); | |
| for (const [buttonIndex, callback] of Object.entries(listeners)) { | |
| const wasPressed = lastState[buttonIndex]; | |
| const pressed = state[buttonIndex]; | |
| if (pressed && !wasPressed) callback(); | |
| } | |
| lastStates[gamepad.index] = state; | |
| } | |
| } | |
| } | |
| // Example usage: | |
| gamepadButtonPress({ | |
| 0: () => presentation.next(), | |
| 3: () => presentation.previous(), | |
| }); |
@Teiem good point! I guess I was thinking too much about making a generic "buttondown", and forgot that I have access to the listeners.
I updated the code. I guess you could optimise the state storage in a similar way.
in the example usage you cna also pass the function by reference (though i can understand writing it this way for clarification you are passing functions ^^)
@jonnytest1 that depends on how the function is written, and whether it depends on a particular this value. https://web.dev/javascript-this/
If there was a way to detect button release as well, it would cover 90% of gamedev needs that use d-pad for movement :)
@luminarious instead of:
if (pressed && !wasPressed) callback();It would be:
if (wasPressed && !pressed) callback();
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I would iterate over the
listenerssince they should be less than the number of buttons.