Run results for: pointDistance vs rectDistance

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
pointDistance	7.2 Ops/sec
rectDistance	19.3 Ops/sec

Script Preparation code:

function pointDistance(
    fromX,
    fromY,
    toX,
    toY,
) {
    const diffX = toX - fromX;
    const diffY = toY - fromY;
    const distance = Math.sqrt(diffX ** 2 + diffY ** 2);
    return [distance, diffX / distance, diffY / distance];
}

function rectDistance(xA, yA, radiusA, xB, yB, radiusB) {
    const leftA = xA - radiusA;
    const rightA = xA + radiusA;
    const topA = yA - radiusA;
    const bottomA = yA + radiusA;

    const leftB = xB - radiusB;
    const rightB = xB + radiusB;
    const topB = yB - radiusB;
    const bottomB = yB + radiusB;

    const xDistance = leftB > rightA ? leftB - rightA : leftA > rightB ? leftA - rightB : 0;

    const yDistance = topB > bottomA ? topB - bottomA : topA > bottomB ? topA - bottomB : 0;

    return xDistance > yDistance ? xDistance : yDistance;
}

Tests:

pointDistance
for (let i = 0, len = 1_000_000; i < len; i++) { const d = pointDistance(i + 1.5, i + 2.5, i + 3.5, i + 4.5); }
rectDistance
for (let i = 0, len = 1_000_000; i < len; i++) { const d = rectDistance(i + 1.5, i + 2.5, 4, i + 3.5, i + 4.5, 5); }

Run results for: pointDistance vs rectDistance

he

pointDistance

rectDistance