Function warm

js/main.js:4695–4695

()

    edge2.subVectors(vC, vA);
    faceNrm.crossVectors(edge1, edge2);
    const faceArea  = faceNrm.length();
    const faceNzNorm = faceArea > 1e-12 ? faceNrm.z / faceArea : 0;
    const faceAngle  = Math.acos(Math.abs(faceNzNorm)) * (180 / Math.PI);
    const angleMasked = faceNzNorm < 0