square-overlap.js

/**
 * Detect overlap between two square objects
 * @param square1 {object} x, y, width, height
 * @param square2 {object} x, y, width, height
 * @returns {boolean}
 */
function getOverlap(square1, square2) {
    return square1.x < square2.x + square2.width &&
        square1.x + square1.width > square2.x &&
        square1.y < square2.y + square2.height &&
        square1.y + square1.height > square2.y;
}