example

// import the diffent interfaces for the engine
extern var Entity; 
extern var World;
extern var Game;
extern var Input;
extern var UI;

// variables, dynamically typed
var check;
var btn = false;

// called once at startup
func init()
{
   System.print("hello, world");
}

// called every frame
func update()
{
   // these vars expose the functions hooked into bee engine
   var this  = Entity();
   var world = World();
   var game  = Game();
   var input = Input();
   var ui = UI();

   // ---- code ----
   var enemy = world.get_entity("enemy");
   if (input.get_key_ENTER())
   {
   	var speed = 2 * game.get_delta_t();
   	this.move_y(speed);
   	world.move_y(enemy, speed);
   	game.load_level("good_level");
   }
   
   // in game "immmediate mode ui", wrapper for nuklear ui
   ui.begin();

   if (ui.window_begin("in game nuklear ui", 900, 10, 300, 250))
   {
   	ui.layout(25, 1);
   	if (ui.button("button"))
   	{
   		btn = !btn;
   	}
   	if (btn)
   	{
   		ui.layout(25, 2);
   		ui.text("checkbox describtion");
   		check01 = ui.checkbox("option a", check);
   		ui.layout(25, 1);
   	}
   } ui.window_end();

   ui.end();
 
}