TAILIEUCHUNG - microsoft visual basic game programming for teens phần 10

năm qua, chương trình âm thanh và âm nhạc cho trò chơi là một nhiệm vụ to lớn. Mã tùy chỉnh âm thanh thường quá khó để viết do các tiêu chuẩn mâu thuẫn trong số các card âm thanh khác nhau trong ngành công nghiệp. Ngày nay, không còn là một vấn đề. | This page intentionally left blank CHARTER 20 Core Technique Sound Effects In years past programming sound and music for games was an enormous task. Custom sound code was usually too difficult to write due to the conflicting standards among the various sound cards in the industry. Today that is no longer a problem. Now a single dominant hardware maker sets the PC audio standard and a single dominant sound library sets the software standard. While some may argue the point I believe that Creative Labs has the sound card market wrapped up with the Sound Blaster products. At the same time the complicated audio driver industry has been eclipsed by the incredibly versatile and powerful DirectX Audio library. This chapter is a quick jaunt through the DirectSound part of DirectX Audio with a small program to demonstrate how to use DirectSound to play .WAV files in Visual Basic. Here are the major topics in this chapter Introduction to DirectX Audio Programming DirectSound Creating the DirectSound object Mixing .WAVs with DirectSound Introduction to DirectX Audio Welcome to the sound effects chapter Audio is always a fun subject to explore because sound effects and music have such an impact on impression and influence our opinions of games so strongly. What is a game without sound It is nothing more than a technology demo. Sound is absolutely essential for the success of any game no matter how large or small. 341 342 Chapter 20 Core Technique Sound Effects I remember the sound card war of the early 1990s when several competing companies took on Creative Labs to produce a dominant sound card. This was about the time when multimedia was the next big thing and buzzwords like edutainment started to be overused in marketing and by the press. Although CD-ROMs were technically available as far back as 1988 I searched through the entire Las Vegas Comdex convention in 1992 and couldn t find one. It just goes to show how young the multimedia industry is in the overall computer .

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