for (var finger_point = 0; finger_point <= params.finger_points; finger_point++) {
var finger_progress = finger_point / params.finger_points;
var angle = (finger_angle + twirl_angle * finger_progress) * 2 * Math.PI;
- var x = ring_radius * Math.cos(angle);
- var y = ring_radius * Math.sin(angle);
+ var r = ring_radius;
+ var x = r * Math.cos(angle);
+ var y = r * Math.sin(angle);
var z = params.finger_height * finger_progress;
path.push([x, y, z]);
}