utils.js

const Utils = {
    // Calculate distance between two points
    distance: (x1, y1, x2, y2) => {
        return Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
    },

    // Calculate angle between two points
    angle: (x1, y1, x2, y2) => {
        return Math.atan2(y2 - y1, x2 - x1);
    },

    // Random number between min and max
    random: (min, max) => {
        return Math.random() * (max - min) + min;
    },

    // Check collision between two rectangles
    checkCollision: (rect1, rect2) => {
        return rect1.x < rect2.x + rect2.width &&
               rect1.x + rect1.width > rect2.x &&
               rect1.y < rect2.y + rect2.height &&
               rect1.y + rect1.height > rect2.y;
    },

    // Load image helper
    loadImage: (src) => {
        return new Promise((resolve, reject) => {
            const img = new Image();
            img.onload = () => resolve(img);
            img.onerror = reject;
            img.src = src;
        });
    }
};