41 lines
981 B
C
41 lines
981 B
C
#include "bus.h"
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#include "math.h"
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bus_t *the_bus = NULL;
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void RunBus(int direction)
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{
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if(direction == BUS_CLOCK_WISE)//顺时针
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{
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the_bus->distance++;
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}
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else if(direction == BUS_COUNTER_CLOCK_WISE)
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{
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the_bus->distance--;
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}
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}
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int GetBusPosition()
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{
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int a,b;
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a=the_bus->rail_node_pos->id;//指向站点的指针以及这个指针对应的站台id；
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b=a*(rails->last_node_distance)+abs(the_bus->distance);
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return b;
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}
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int JudgeOnStation()
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{
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if(abs(the_bus->distance) == rails->last_node_distance)//表示逆时针
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{
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the_bus->distance=0;
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the_bus->rail_node_pos=rails->last_node;//逆时针往上一个
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return BUS_TRUE;
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}
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else if(abs(the_bus->distance) == rails->next_node_distance)//表示顺时针
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{
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the_bus->distance=0;
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the_bus->rail_node_pos=rails->next_node;//顺时针往下一个
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return BUS_TRUE;
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}
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else
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{
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return BUS_FAlSE;
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}
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} |