DDraw and Audio
.gif "A checkmark indicates that the information in this topic is relevant for this platform, and that any API listed is also supported on this platform.")
.gif "A hyphen indicates that the information in this topic is not relevant for this platform, or that the platform does not support the API that is listed.")
8/28/2008
This code sample is named Donuts2. It is a simple game that demonstrates how to combine DirectDraw and Waveform Audio. Although it demonstrates other DirectX components, it is primarily intended to show how to animate multiple sprites.
Feature Area
Relevant APIs
- BITMAP structure
- CreateCompatibleDC function
- DDSURFACEDESC structure
- GetObject function
- IDirectDraw::CreateSurface function
- IDirectDrawSurface::GetSurfaceDesc function
- PAINTSTRUCT structure
- SelectObject function
Usage
To run the code sample
Navigate to the solution file (*.sln), and double-click it. By default, the solution file is copied to the following folder:
C:\Program Files\Windows Mobile 6 SDK\Samples\PocketPC\CPP\win32\directx\DDraw\Donuts2Microsoft Visual Studio 2005 launches and loads the solution.
Build the solution (Ctrl+Shift+B).
Deploy the solution (F5).
Using the application
- Input is from the keyboard. No other input device is supported.
- The commands are listed on the opening screen. All numbers must be entered from the numeric keypad.
Button Commands
| Button | Action |
|---|---|
Left |
Turn left |
Right |
Turn right |
Up |
Accelerate forward |
Down |
Accelerate backward |
Application Button 1 |
Stop |
Application Button 2 |
Shield |
Action Fire |
Start game |
Talk button |
Turn audio on/off |
End button |
Quit |
Volume Up |
Toggle trailing after-image effect on/off |
Volume Down |
Toggle frame-rate display on/off |
Command-line switches
| Switch | Description |
|---|---|
e |
Use software emulation, not hardware acceleration. |
t |
Test mode, needs no input. |
x |
Stress mode, never stop if you can help it. |
s |
Turn sound off/on. |
Remarks
It is assumed that your mobile device supports DirectDraw.
This code sample uses less than 1 MB of video RAM.
Development Environments
Pocket PC SDK: Windows Mobile 6 Professional SDK
Development Environment: Visual Studio 2005.
ActiveSync: Version 4.5.
See Also
Concepts
Code Samples for Windows Mobile
DDraw and Animation
DDraw and Bitmaps
DDraw Initialization
DDraw Off-Screen Surfaces