Programming Linux Games phần 5 pps

... Initialize the penguin position data. */ init_penguins(); /* Animate 30 0 frames (approximately 10 seconds). */ for (frames = 0; frames < 30 0; frames++) { /* Draw the background image. */ src.x = 0; src.y ... (10,10) to (25 ,30 ), relative to the position of the window. SDL would report this as an SDL MOUSEMOTION event. The event structure’s motion.x and motion.y fields would contain 25...

Ngày tải lên: 06/08/2014, 09:20

... 126 CHAPTER 4 Mono Stereo 8 bit 16 bit 8 bit 16 bit 11025 Hz 11,025 22,050 22,050 44 ,100 22050 Hz 22,050 44 ,100 44 ,100 88,200 44 100 Hz 44 ,100 88,200 88,200 176 ,40 0 Table 4 1: Storage consumed ... 6); SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5); /* Create a 640 x480, 16 bit window with support for OpenGL rendering. Unfortunately we won’t know whether this is hardware accelerated. *...

Ngày tải lên: 06/08/2014, 09:20

... dmabuffer_size/2; for (i = 0; i < amount; i++) { dmabuffer[i] = samples[position+i]; } LINUX AUDIO PROGRAMMING 1 95 error, but unable to respond immediately, such as when it’s not ready for more data. ... 200 CHAPTER 5 Returns Open file descriptor connected to the ESD server. This might be a pipe or a socket. Returns < 0 on failure. Parameters flags—ESD playback flags. See Listing...

Ngày tải lên: 06/08/2014, 09:20

... samples and 2 for 16- bit samples. signedflag—1 to request signed samples, 0 to request unsigned samples. In practice, 16- bit samples are almost always signed (−32, 768 32, 767 ) and 8-bit samples ... never processes more than 4,0 96 bytes, regardless of how much data you request. I’m sure there’s a perfectly good reason for this, but it escapes me. LINUX AUDIO PROGRAMMING 217 if (alGe...

Ngày tải lên: 06/08/2014, 09:20

... different address lengths). connect returns 0 on success and −1 on failure. NETWORKED GAMING WITH LINUX 277 Function connect(sock, addr, addr len) Synopsis Attempts to establish a network connection ... several possible ways to make this control available to the script. NETWORKED GAMING WITH LINUX 279 Code Listing 7 1 (tcpclient.c) /* A simple TCP/IP client program that uses sockets....

Ngày tải lên: 06/08/2014, 09:20

... very difficult. The problem is pretty simple, actually. Most major online games use a client/server model (see page 301). Client/server games should theoretically do all of the game world’s processing ... hacked clients would be of no consequence, and games like Half-Life would be free of cheaters. For basic performance reasons, however, very few games actually work this way. If a clien...

Ngày tải lên: 06/08/2014, 09:20

... GAMING WITH THE LINUX CONSOLE 3 49 In case this simple event interface doesn’t fit your application’s needs, GPM also provides ... %s\n", SDL_GetError()); return 1; } /* Draw a diagonal line across the screen. */ DrawLine16(screen, 0, 0, 6 39, 4 79, 0xFFFF); SDL_UpdateRect(screen, 0, 0, 0, 0); /* Pause. */ SDL_Delay(5000); return 0; } I would ... line), but I find these descriptions som...

Ngày tải lên: 06/08/2014, 09:20

... specific to their “parent” Linux distributions; SuSE, Caldera, and TurboLinux are RPM-based, and Debian’s packaging system has found its way into Corel Linux and Storm Linux (which are actually ... Standard Filesystem Hierarchy Standard, 393–397 Chapter 10 To Every Man a Linux Distribution You’ve probably noticed that there are a lot of Linux distributions floating around the Int...

Ngày tải lên: 06/08/2014, 09:20

... automatically by SQL Server when modification operations take place. Microsoft SQL Server 2000 Programming by Example 306 1) The nesting level is 0 Group_name Group_id db_accessadmin 163 85 ... WITH ENCRYPTION Option Microsoft SQL Server 2000 Programming by Example 284 A temporary stored procedure, once created (and stored in tempdb autom...

Ngày tải lên: 08/08/2014, 22:20

... move. MoveTo ( 45, 50); /* this call will cause us to move to row 45 and column 50 on the grid.*/ MoveTo (5, 5); /* this call will cause us to move back up to the upper left corner of the screen. */ 154 Chapter ... function. LineTo (20, 25) ; In the example, a line will be drawn from our present position (5, 5) to the new position (20, 25) as specified by the call to the LineTo function. He...

Ngày tải lên: 10/08/2014, 12:21

... !&!""/ -&"! + :5 *  3-!!% 5   C  %" 5   5 ")'  -!/"%* ;" ! 5 2" ,(8&"# ...  /)! 5 #   &%  0R&"  :  e ...

Ngày tải lên: 12/08/2014, 19:21

... POINT (50 1, 11)) ' Draw the yellow text LivesText.Color = Color.FromARGB( 255 , 255 , 255 , 0) GasText.Color = Color.FromARGB( 255 , 255 , 255 , 0) PointsText.Color = Color.FromARGB( 255 , 255 , 255 , ... shadow LivesText.Color = Color.FromARGB( 255 , 50 , 50 , 50 ) GasText.Color = Color.FromARGB( 255 , 50 , 50 , 50 ) PointsText.Color = Color.FromARGB( 255 , 50 , 50 , 50...

Ngày tải lên: 12/08/2014, 20:22

... important ways in Java s standard packages. You’ll learn about some of these standard interfaces in the next few chapters. 95 import java. awt.∗; import java. awt.event.∗; import javax.swing.∗; public ... it. 5. 3.1 Static Import The import directive makes it possible to refer to a class such as java. awt.Color using its simple name, Color. All you have to do is say import java. awt...

Ngày tải lên: 12/08/2014, 21:21