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Learning XNA 3.0 phần 3

Hình 5-2. File sóng được bổ sung vào ngân hàng làn sóng của bạn với các công cụ XACT, khi sử dụng Windows Vista, bạn nên bắt đầu tiện ích XACT thử giọng với các đặc quyền quản trị (nhấp chuột phải và chọn "Run as Administrator"). | Figure 5-2. Wave files added to your wave bank As with the XACT tool when using Windows Vista you should start the XACT Auditioning Utility with administrator privileges right-click and select Run as Administrator . Because XACT uses networking protocols to communicate with the Auditioning Utility you will need to unblock the ports for both XACT and the Auditioning Utility. If you followed the steps in Chapter 1 these ports should have been unblocked when you installed XNA Game Studio 3.0. If you have anything running on port 80 the auditioning tool will not work as it uses that port to communicate with XACT. Also if you have Internet Information Services IIS installed on your PC be aware that when IIS is running it will block the communication between XACT and the XACT Auditioning Utility. You ll need to stop the service before you re able to play audio files through the XACT Auditioning Utility. Once you ve started the XACT Auditioning Utility it will sit in a Waiting for the XACT authoring tool to connect state see Figure 5-4 until you play sounds from within XACT itself. 80 Chapter 5 Sound Effects and Audio Figure 5-3. Your XACT project now has a cue Figure 5-4. The XNA Auditioning Utility waiting for XACT to connect With the Auditioning Utility running you can right-click on any sound cue or wave within XACT and select Play in order to hear the sound. In addition to playing sounds within XACT you can modify some properties of the sounds themselves. When you select a sound name in the sound bank XACT will display properties for that sound in the bottom-left pane of the XACT project window. You ll notice some options here that allow you to modify the volume pitch priority and looping for that sound. In regard to this current project the start.wav file may be a bit quiet for some people s tastes so feel free to modify the volume and play the sound until you find a volume that sounds good to you. Using XACT 81 You want your track.wav file to loop indefinitely in .