Support dynamic tick rates

src/js/game/hud/parts/debug_info.js

@@ -0,0 +1,19 @@
+import { BaseHUDPart } from "../base_hud_part";
+import { makeDiv, round3Digits } from "../../../core/utils";
+
+export class HUDDebugInfo extends BaseHUDPart {
+    createElements(parent) {
+        this.element = makeDiv(parent, "ingame_HUD_DebugInfo", []);
+
+        this.tickRateElement = makeDiv(this.element, null, ["tickRate"], "Ticks /s: 120");
+        this.tickDurationElement = makeDiv(this.element, null, ["tickDuration"], "Update time: 0.5ms");
+    }
+
+    initialize() {}
+
+    update() {
+        this.tickRateElement.innerText = "Tickrate: " + this.root.dynamicTickrate.currentTickRate;
+        this.tickDurationElement.innerText =
+            "Avg. Dur: " + round3Digits(this.root.dynamicTickrate.averageTickDuration) + "ms";
+    }
+}