bench.js

const {System, Body, Polygon, Vector} = require('./build/kinetics.min');

const system = new System({
    tickRate: 60,
    friction: 0.1,
    gravity: new Vector(0, 0),
    collisionInfo: {
        cellSize: 6,
    },
    camera: {
        zoom: 1,
    },
    bounds: new Vector(1920, 1080),
});

function random(min, max) {
    return Math.random() * (max - min) + min;
}

function calculateRadius(width, height, centerX, centerY) {
    const halfWidth = width / 2;
    const halfHeight = height / 2;
    const diagonal = Math.sqrt(halfWidth ** 2 + halfHeight ** 2);
    const radius = Math.max(diagonal, Math.abs(centerX), Math.abs(centerY));
    return radius;
}

// const sysRad = calculateRadius(1920, 1080, 1920 / 2, 1080 / 2);
const sysRad = calculateRadius(1920, 1080, 1920 / 2, 1080 / 2);

for (let i = 0; i < 50_000; i++) {
    const x = Math.random() * ((sysRad - 2000) * 2) - (sysRad - 2000);
    const y = Math.random() * ((sysRad - 2000) * 2) - (sysRad - 2000);

    const radius = random(3, 13);

    const body = new Body(
        new Polygon({
            form: {
                // vertices: [new Vector(x, y)],
                sides: 5,
                radius,
                offset: {x, y},
            },
            radius,
            mass: 10,
            speed: 1,
            rotate: false,
            elasticity: 1,
            angularSpeed: 1,
            // sleepThreshold: 1E-6
        }),
        system,
    );
    system.addBody(body);
}

setInterval(() => console.log('wur/mem', system.performance.worldUpdateRate, ' ', system.performance.memoryUsage));