Improving repl more

window.ts

@@ -153,6 +153,10 @@ export const setPixelsInRect = (x: number, y: number, w: number, pixels: Array<n
 	}
 }
 
+export const fillRect = (x: number, y: number, w: number, h: number, color: number) => {
+	setPixelsInRect(x, y, w, Array(w*h).fill(color));
+}
+
 export const clearScreen = () => {
 	allPixelColors.fill(0);
 }