1 files changed, 5 insertions, 0 deletions
diff --git a/src/Utils.ts b/src/Utils.ts
index 3af057d82..44f1d55c2 100644
--- a/src/Utils.ts
+++ b/src/Utils.ts
@@ -3,6 +3,11 @@ import * as uuid from 'uuid';
 export function clamp(n: number, lower: number, upper: number) {
     return Math.max(lower, Math.min(upper, n));
 }
+
+export function ptDistance(p1: { x: number; y: number }, p2: { x: number; y: number }) {
+    return Math.sqrt((p2.x - p1.x) ** 2 + (p2.y - p1.y) ** 2);
+}
+
 export namespace Utils {
     export function GuestID() {
         return '__guest__';