<event-receiver>
<file-archive>
<file-system>
+ <gui-button>
<gui-element>
<gui-environment>
<gui-font>
<gui-image>
+ <gui-scrollbar>
<gui-skin>
<gui-static-text>
<irrlicht-device>
;; methods
add-animated-mesh-scene-node!
add-animator!
+ add-button!
add-camera-scene-node!
add-camera-scene-node-fps!
add-cube-scene-node!
add-image!
add-internal-point!
add-octree-scene-node!
+ add-scrollbar!
add-sphere-scene-node!
add-static-text!
begin-scene