Custom 3-D Vector Control

This code was contributed by Eran Yariv

This control has the following features:

• A 3D vector MFC control derived from CButton.
• Real-time light rendering on a 3D ball.
• Variable ball radius and position.
• Supports bitmap background (tiled).
• Supports vertical gradient color background (from color to color, as visiable in screen capture above).
• Variable ball color (diffuse), light color and ambient color.
• Variable specular intensity.
• Supports attached controls (for automatic update).
  That is, you can specify IDs of other controls that will reflect (textually) the value of a specific vector component. The vector control will automatically update (calling SetwindowText) the display. See the 3 static text controls in the example above.
• Variable mouse sensitivity.
• Supports front clipping (vector will not have negative Z values).
• Supports callback functions for the following events:
  1. The trackball has moved (vector is changing).
  2. The user dropped the trackball (released left mouse button). i.e., the vector was changed.
  

A dialog-based sample application (screen capture above) and the control source code can be found here

Posted on: April 11, 98.

Comments:

• appriciation from Syed Tauseef Ahmed - SYED TAUSEEF AHMED (2000/02/23)
• About 3D Vector Control - Balasubramanian.Natarajan (1999/06/26)
• Fantastic! - George (1999/05/04)
• This is WELL cool - and I have a question... - Jason Hattingh (1999/04/12)

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