Interface demos :

- camera :
  - moving camera with the mouse (rotation & translation)
  - zooming/unzooming with the mouse wheel
- pick :
  - finding which object(s) was picked with the mouse in a GLSceneViewer
  - coloring objects under the mouse pointer
- fadingintf :
  - smoother, progressive coloring of objects under the pointer
  - using the OnProgress event
- bmpfont :
  - using a THUDText and TBitmapFont to render 2D text
  - rotating and scaling a 2D text
- winfont :
  - using a THUDText and TWindowsBitmapFont to render 2D text
  - rendering text to OpenGL with a TrueType Font
- cursor :
  - using a THUDSprite as mouse cursor, with optional alpha-blended trail
  - loading and displaying a picture, retrieving the color under the mouse
- hfpick :
  - using PixelRayToWorld as a 3D picking tool
  - "painting" a 3D HeightField interactively
- fontcolor :
  - using a color modulation to colorize and fadein/fadeout 2D text
  - using time events manager
- guidemo :
  - A sample for the Gui interface system
  - GLScene user interface to enable user to change parameters.
- guipaint :
  - The Simple Paint Program using Gui components from GLScene.
  - using GLScene gui

See also :

- in behaviours : "torque"
- in movements : "pong"

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