disable use of path2d in node

CHANGELOG.md

@@ -11,6 +11,8 @@
   
 ### **HEAD -> main** 2021/11/09 mandic00@live.com
 
+- add liveness module and facerecognition demo
+- initial version of facerecognition demo
 - rebuild
 - add type defs when working with relative path imports
 - disable humangl backend if webgl 1.0 is detected

src/util/draw.ts

@@ -278,7 +278,7 @@ export async function face(inCanvas: AnyCanvas, result: Array<FaceResult>, drawO
             ctx.fill();
           }
         }
-        if (localOptions.drawGaze && f.rotation?.angle) {
+        if (localOptions.drawGaze && f.rotation?.angle && typeof Path2D !== 'undefined') {
           ctx.strokeStyle = 'pink';
           const valX = (f.box[0] + f.box[2] / 2) - (f.box[3] * rad2deg(f.rotation.angle.yaw) / 90);
           const valY = (f.box[1] + f.box[3] / 2) + (f.box[2] * rad2deg(f.rotation.angle.pitch) / 90);