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FishMarket 1.0
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FishMarket v1.0.iso
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fishies
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001-025
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disk_008
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src
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hack.track.c
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C/C++ Source or Header
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1992-05-06
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619b
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38 lines
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1984. */
#include "hack.h"
#ifdef TRACK
#define UTSZ 50
coord utrack[UTSZ];
int utcnt = 0;
int utpnt = 0;
initrack(){
utcnt = utpnt = 0;
}
/* add to track */
settrack(){
if(utcnt < UTSZ) utcnt++;
if(utpnt == UTSZ) utpnt = 0;
utrack[utpnt].x = u.ux;
utrack[utpnt].y = u.uy;
utpnt++;
}
coord *
gettrack(x,y) register int x,y; {
register int i,cnt;
coord tc;
cnt = utcnt;
for(i = utpnt-1; cnt--; i--){
if(i == -1) i = UTSZ-1;
tc = utrack[i];
if((x-tc.x)*(x-tc.x) + (y-tc.y)*(y-tc.y) < 3)
return(&(utrack[i]));
}
return(0);
}
#endif TRACK