Game ui

assets/Scripts/Game/UI/GameUI.ts

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+import { Component, ProgressBar, _decorator } from "cc";
+import { Player } from "../Player/Player";
+import { UnitLevel } from "../Player/UnitLevel";
+const { ccclass, property } = _decorator;
+
+@ccclass("GameUI")
+export class GameUI extends Component {
+    @property(ProgressBar) private xpBar: ProgressBar;
+
+    private playerLevel: UnitLevel;
+
+    public init(player: Player): void {
+        this.playerLevel = player.Level;
+        this.playerLevel.XpAddedEvent.on(this.updateProgressBar, this);
+        this.playerLevel.LevelUpEvent.on(this.updateProgressBar, this);
+        this.xpBar.progress = 0;
+    }
+
+    private updateProgressBar(): void {
+        this.xpBar.progress = this.playerLevel.XP / this.playerLevel.RequiredXP;
+    }
+}

assets/Scripts/Game/UI/GameUI.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "2e393e26-6f0c-4667-ae26-c1d4e1026d08",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}