46 lines
761 B
C
46 lines
761 B
C
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#include <sys/ksys.h>
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/*
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Calculate and draw FPS
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x,y - window relative coordinates to draw FPS info
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Returns the number of centiseconds (cs) spent in one drawing cycle
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*/
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int time1=0;
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int time2=0;
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int fps1=0;
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int timerend=0;
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int Fps (long x, long y)
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{
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int tr;
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time1 = _ksys_get_tick_count(); // time in cs since boot
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if (timerend==0)
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{
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time2 = time1;
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timerend = time1;
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}
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tr = time1 - timerend;
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if ((time1 - time2) < 100) // if passed less than one second
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{
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fps1++;
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}
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else
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{
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// draw FPS info
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_ksys_draw_bar(x, y, 23, 7, 0x00555555);
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_ksys_draw_number(fps1, x, y, 4, 0xfafafa);
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fps1 = 0;
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time2 = time1;
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}
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timerend = time1;
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return tr;
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}
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