@tolokoban/tgd
Version:
ToloGameDev library for WebGL2
46 lines • 3.53 kB
JavaScript
import { TgdEvent } from "../event/index.js";
export class TgdInputKeyboardImpl {
constructor() {
this.eventKeyPress = new TgdEvent();
this.keysDown = new Set();
this.keysUp = new Set();
this.attached = false;
this.handleKeyDown = (event) => {
this.keysDown.add(event.key);
this.keysUp.delete(event.key);
};
this.handleKeyUp = (event) => {
this.keysDown.delete(event.key);
this.keysUp.add(event.key);
this.eventKeyPress.dispatch(event);
};
document.addEventListener("keydown", this.handleKeyDown);
document.addEventListener("keyup", this.handleKeyUp);
this.attached = true;
}
detach() {
if (!this.attached)
return;
document.removeEventListener("keydown", this.handleKeyDown);
document.removeEventListener("keyup", this.handleKeyUp);
this.attached = false;
}
isUp(...keys) {
return !this.isDown(...keys);
}
isDown(...keys) {
for (const key of keys) {
if (!this.keysDown.has(key))
return false;
}
return true;
}
hasClicked(key) {
if (this.keysUp.has(key)) {
this.keysUp.delete(key);
return true;
}
return false;
}
}
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