@woosh/meep-engine/src/engine/input/devices/mouse/decodeMouseEventButtons.js

Pure JavaScript game engine. Fully featured and production ready.

/**
 * @see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons
 * @see https://w3c.github.io/uievents/#widl-MouseEvent-buttons
 *
 * @param {Number} value
 * @param {boolean[]} [result]
 * @return {boolean[]} array of booleans, boolean is true if mouse button is pressed, false otherwise
 */
export function decodeMouseEventButtons(value, result = []) {

    for (let i = 0; i < 32; i++) {

        const shiftedValue = value >> i;

        result[i] = (shiftedValue & 1) !== 0;
    }

    return result;
}