Improve gameplay

frontend/src/scripts/helper/pointer.ts

@@ -0,0 +1,13 @@
+import { vec2 } from 'gl-matrix';
+
+export class Pointer {
+  private static displayPosition: vec2 | null = null;
+
+  public static setDisplayPosition(x: number, y: number): void {
+    Pointer.displayPosition = vec2.fromValues(x, y);
+  }
+
+  public static getDisplayPosition(): vec2 | null {
+    return Pointer.displayPosition;
+  }
+}