app = App.new 400, 400, title: "Button Test"

main_scene = Scene.new

default_font = Font.new "assets/DejaVuSans.ttf", 24, italic: true

text = ElementText.new "Click me!", font: default_font, position: {x: 50, y: 50}, z: 1

rect = ElementRect.new {x: 50, y: 50, w: 100, h: 25}, color: 0xFF0000, z: 0

rect.on_click do
  rect.color = rect.color == 0xFF0000 ?
    0x00FF00
  :
    0xFF0000
end

main_scene << text
main_scene << rect

app.start main_scene