new MouseHandler(this, env.getView());
/*
* HUD
*/
hud = new HUD(canvas, 800f);
env.addHUD(hud);
hud.getContentPane().addWidget(new Label(100f, 100f, "Terrain Editor", HUDFont.getFont("Arial", HUDFont.BOLD, 32), TextAlignment.TOP_CENTER), canvas.getWidth() / 2f - 100f / 2f, 0f, 1);
label = new Label(200f, 600f,
"Ctrl + O = Open a terrain\n" +
"Ctrl + W = Save the terrain\n" +