Allow variable width in font

keyboard.ts

@@ -62,6 +62,13 @@ export const shiftMap = {
 	"/": "?",
 }
 
+export const altMap = {
+	"w": "⬆",
+	"a": "⬅",
+	"s": "⬇",
+	"d": "➡",
+}
+
 addEventListener("keydown", (evt) => {
 	// console.log("keydown", evt.key, evt.key.charCodeAt(0));
 	const key = evt.key.charCodeAt(0);
@@ -119,6 +126,10 @@ export const ctrlKeyDown = () => {
 	return keyDown(K.CTRL_LEFT) || keyDown(K.CTRL_RIGHT);
 }
 
+export const altKeyDown = () => {
+	return keyDown(K.ALT_LEFT) || keyDown(K.ALT_RIGHT);
+}
+
 export const keyReleased = (key: string | number) => {
 	if (typeof key === "string") {
 		key = key.toUpperCase().charCodeAt(0);
@@ -147,7 +158,14 @@ export const getKeyboardString = () => {
 				char = char.toUpperCase();
 			}
 		}
-		if (char in font) {
+		if (altKeyDown()) {
+			if (char in altMap) {
+				char = altMap[char as keyof typeof altMap];
+			} else {
+				char = char.toUpperCase();
+			}
+		}
+		if (char in font.chars) {
 			str += char;
 		}
 	}