implement time travelling

1 files changed, 7 insertions, 1 deletions

diff --git a/src/util/time.ts b/src/util/time.ts
index 88297f9a9..2740c361f 100644
--- a/src/util/time.ts
+++ b/src/util/time.ts
@@ -34,9 +34,15 @@ export interface Duration {
   readonly d_ms: number | "forever";
 }
 
+let timeshift: number = 0;
+
+export function setDangerousTimetravel(dt: number) {
+  timeshift = dt;
+}
+
 export function getTimestampNow(): Timestamp {
   return {
-    t_ms: new Date().getTime(),
+    t_ms: new Date().getTime() + timeshift,
   };
 }