See Hollywood's digital blockbuster

Ladybug Studio^XP is a suite to help digital movie development and deployment. You can easily and flexibly control, organize, and show movies. You can merge a movie with other applications to achieve artistical and professional effects. Finally, you can make your personal video more like Hollywood movie with visual special effects.

Ladybug Studio^XP also allows you to generate cinematic effects use the new generation programmable shaders with HLSL language.

How to mix background sound with 3D animation?

You need only add graph object into a mCL shader of 3D animation.

1. In the shader class declare

     variable graph
   

2. In InitDeviceObjects method insert
   

     set userid 0xACDCADCD
     set filename [$app dialog file "*.mp3" $initfolder] 
     set graph [$app graph $filename $userid]
   

   you may set fixed file name string without using the open file dialog box. The userid is a 32-bit integer.
   
   
3. In the RestoreDeviceObjects method insert

     $graph start 
   

4. In the InvalidateDeviceObjects method insert

     $graph end
   

5. In the DeleteDeviceObjects method insert

     $graph release