Created
March 15, 2010 17:57
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/* nessa versão o avião nunca pega o pombo */ | |
#include <stdio.h> | |
#include <stdlib.h> | |
#define dprintf if (debug) printf | |
const char debug = 0; /* or 0 if you want disable debug */ | |
/* algumas constantes */ | |
const int ang_fuga = 45; | |
int distancia = 100; | |
enum { | |
delay_pombo = 4, | |
delay_aviao | |
}; | |
struct pombo_t { | |
unsigned int ang; | |
char dir; | |
long d; | |
}; | |
struct aviao_t { | |
unsigned int ang; | |
char dir; | |
long d; | |
}; | |
void init(struct pombo_t *p, struct aviao_t *a) { | |
p->ang = 0; | |
p->dir = -1; | |
p->d = distancia; | |
a->ang = p->ang; | |
a->dir = -1; | |
a->d = 0; | |
} | |
int main() { | |
struct pombo_t pombo; | |
struct aviao_t aviao; | |
init(&pombo,&aviao); | |
unsigned long long timer=0; | |
for (;;timer++) { /* start */ | |
if ( pombo.d == aviao.d ) { | |
printf("%u,%d\n",pombo.d,pombo.ang); | |
printf("%u,%d\n",aviao.d,aviao.ang); | |
printf("pego em %u ciclos \n",timer); | |
exit(1); | |
} | |
dprintf("%u,%d,%d\n",pombo.d,pombo.ang,pombo.dir); | |
dprintf("%u,%d,%d\n",aviao.d,aviao.ang,aviao.dir); | |
if (timer%delay_pombo == 0) { | |
dprintf("-- pombo verifica --\n"); | |
if (aviao.ang == pombo.ang) { | |
pombo.ang += ang_fuga; /* muda o angulo */ | |
if (pombo.ang >= 360) | |
pombo.ang = pombo.ang % 360; /* normaliza */ | |
} | |
if(aviao.dir == pombo.dir) { | |
pombo.dir = (pombo.dir * -1); /* inverte a direção */ | |
dprintf("%d \n",(int)pombo.dir); | |
} | |
} | |
if (timer%delay_aviao == 0) { | |
dprintf("-- aviao verifica --\n"); | |
if (aviao.ang != pombo.ang) { | |
aviao.ang = pombo.ang; /* corrige p/ angulo do pombo */ | |
if (aviao.ang >= 360) | |
aviao.ang = aviao.ang % 360; /* normaliza */ | |
} | |
if (aviao.dir != pombo.dir) /* corrige a direção */ | |
aviao.dir = pombo.dir; | |
} | |
pombo.d += (30 * pombo.dir); /* cada ciclo do 'for' vale 1 seg */ | |
aviao.d += (90 * aviao.dir); | |
} | |
} |
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