update

htdocs/public/plugins/signature_pad/src/point.js

@@ -0,0 +1,19 @@
+function Point(x, y, time) {
+  this.x = x;
+  this.y = y;
+  this.time = time || new Date().getTime();
+}
+
+Point.prototype.velocityFrom = function (start) {
+  return (this.time !== start.time) ? this.distanceTo(start) / (this.time - start.time) : 1;
+};
+
+Point.prototype.distanceTo = function (start) {
+  return Math.sqrt(Math.pow(this.x - start.x, 2) + Math.pow(this.y - start.y, 2));
+};
+
+Point.prototype.equals = function (other) {
+  return this.x === other.x && this.y === other.y && this.time === other.time;
+};
+
+export default Point;