few more event key. constant refactors

src/Infiltration/utils.ts

@@ -1,21 +1,46 @@
+import { KEY } from "../utils/helpers/keyCodes";
+
 export function random(min: number, max: number): number {
   return Math.random() * (max - min) + min;
 }
 
+export const upArrowSymbol = "↑";
+export const downArrowSymbol = "↑";
+export const leftArrowSymbol = "↑";
+export const rightArrowSymbol = "↑";
+
 export function getArrow(event: KeyboardEvent): string {
   switch (event.key) {
-    case "ArrowUp":
-    case "w":
-      return "↑";
-    case "ArrowLeft":
-    case "a":
-      return "←";
-    case "ArrowDown":
-    case "s":
-      return "↓";
-    case "ArrowRight":
-    case "d":
-      return "→";
+    case KEY.UP_ARROW:
+    case KEY.W:
+      return upArrowSymbol;
+    case KEY.LEFT_ARROW:
+    case KEY.A:
+      return leftArrowSymbol;
+    case KEY.DOWN_ARROW:
+    case KEY.S:
+      return downArrowSymbol;
+    case KEY.RIGHT_ARROW:
+    case KEY.D:
+      return rightArrowSymbol;
+  }
+  return "";
+}
+
+export function getInverseArrow(event: KeyboardEvent): string {
+  switch (event.key) {
+    case KEY.DOWN_ARROW:
+    case KEY.S:
+      return upArrowSymbol;
+    case KEY.RIGHT_ARROW:
+    case KEY.D:
+      return leftArrowSymbol;
+    case KEY.UP_ARROW:
+    case KEY.W:
+      return downArrowSymbol;
+    case KEY.LEFT_ARROW:
+    case KEY.A:
+      return rightArrowSymbol;
   }
   return "";
 }