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Updated from the SDL Documentation Project
author Sam Lantinga <slouken@libsdl.org>
date Fri, 14 Sep 2001 02:41:09 +0000
parents 55f1f1b3e27d
children 355632dca928
comparison
equal deleted inserted replaced
180:578815880307 181:e5bc29de3f0a
86 ><P 86 ><P
87 ><PRE 87 ><PRE
88 CLASS="PROGRAMLISTING" 88 CLASS="PROGRAMLISTING"
89 >#define TICK_INTERVAL 30 89 >#define TICK_INTERVAL 30
90 90
91 Uint32 TimeLeft(void) 91 static Uint32 next_time;
92
93 Uint32 time_left(void)
92 { 94 {
93 static Uint32 next_time = 0;
94 Uint32 now; 95 Uint32 now;
95 96
96 now = SDL_GetTicks(); 97 now = SDL_GetTicks();
97 if ( next_time &#60;= now ) { 98 if(next_time &#60;= now)
98 next_time = now+TICK_INTERVAL; 99 return 0;
99 return(0); 100 else
100 } 101 return next_time - now;
101 return(next_time-now);
102 } 102 }
103 103
104 104
105 /* main game loop 105 /* main game loop */
106 106
107 next_time = SDL_GetTicks() + TICK_INTERVAL;
107 while ( game_running ) { 108 while ( game_running ) {
108 UpdateGameState(); 109 update_game_state();
109 SDL_Delay(TimeLeft()); 110 SDL_Delay(time_left());
111 next_time += TICK_INTERVAL;
110 }&#13;</PRE 112 }&#13;</PRE
111 ></P 113 ></P
112 ></DIV 114 ></DIV
113 ></DIV 115 ></DIV
114 ><DIV 116 ><DIV