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66 lines
1.1 KiB
66 lines
1.1 KiB
#include "Food.h"
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#include <ctime>
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#include <stdlib.h>
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#include <graphics.h>
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#include <algorithm>
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Food::Food()
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{
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//初始化食物的数据
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this->m_state = true;
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this->m_pos = Point(310, 230);
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}
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bool Food::getState()
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{
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return this->m_state;
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}
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void Food::setState(bool state)
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{
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this->m_state = state;
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}
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Point Food::getPos()
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{
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return this->m_pos;
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}
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void Food::Generate(Snake* snake)
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{
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//产生食物要求获取蛇的身体节点来检查是否生成的食物出现在了蛇的身上
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int x = 0;
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int y = 0;
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bool isOk = false;
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while (true)
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{
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//使用随机函数产生食物
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srand(time(0));
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x = (rand() % 24) * 20 + 10;
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y = (rand() % 24) * 20 + 10;
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//检查是否在蛇的身上
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isOk = 1;
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std::list<Point> pos = snake->GetSnakeAllNode();
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std::list<Point>::iterator it = find(pos.begin(), pos.end(), Point(x, y));
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//find()需要用到Point的重载 == 操作符
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if (it == pos.end())//不在
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{
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this->m_pos = Point(x, y);//修改坐标
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this->m_state = true;
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return;
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}
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}
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}
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void Food::DrawFood()
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{
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//红色，全填充，无边框的圆
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setfillcolor(RED);
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setfillstyle(BS_SOLID);
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solidcircle(this->m_pos.x, this->m_pos.y, FOOD_RADIU);
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} |