update

js/util.js

@@ -730,6 +730,7 @@ function findverticalLine(faceLine,n_panorama_line_3d) {
     }
     let crossVec = new THREE.Vector3();
     crossVec.crossVectors(verticalLineData.vecAry[0], verticalLineData.vecAry[1]);
+    crossVec.normalize();
     verticalLineData.verticalVec.push(crossVec.x, crossVec.y, crossVec.z)
     // console.log(tmp);
     // console.log(lineAry);