Function place

app.js:577–584

(val, ax, ay)

  }

  function place(val, ax, ay) {
    const s = document.createElement("div");
    s.className = "distance-hint";
    s.textContent = String(Math.round(val));
    s.style.left = ax * scale + "px";
    s.style.top = ay * scale + "px";
    preview.appendChild(s);
  }

  if (bestH) place(bestH.g, bestH.mx, bestH.my);
  if (bestV) place(bestV.g, bestV.mx, bestV.my);