Kha without assets

Game.hx

package;

import kha.Framebuffer;
import kha.graphics2.Graphics;
import kha.Image;
import kha.input.Keyboard;
import kha.Key;
import kha.Scaler;
import kha.System;

class Game 
{
	var backbuffer:Image;
	var g:Graphics;
	
	public function new() 
	{
		backbuffer = Image.createRenderTarget(800, 600);
		g = backbuffer.g2;
		
		var k = Keyboard.get();
		k.notify(keyDownListener, null);
	}
	
	function keyDownListener(key:Key, char:String):Void
	{
		
	}
	
	public function update():Void
	{
		
	}
	
	public function render(framebuffer:Framebuffer):Void 
	{
		framebuffer.g2.begin();
		Scaler.scale(backbuffer, framebuffer, System.screenRotation);
		framebuffer.g2.end();
	}	
}

khafile.js

var project = new Project('Game');

project.addSources('Sources');

return project;

Main.hx

package;

import kha.Scheduler;
import kha.System;

class Main 
{
	public static function main()
	{
		System.init("Game", 800, 600, initialized);
	}
	
	private static function initialized():Void 
	{
		var game = new Game();
		System.notifyOnRender(game.render);
		Scheduler.addTimeTask(game.update, 0, 1 / 60);
	}
}