序言
很多学习了C语言的小伙伴，虽然说学完了C语言入门，但是实际能力还是停留在一个很低的水平，基本上就是套几个for循环，暴力解一下排列组合问题的水平，很多人基本上不能够独立写一个小程序，今天就给大家我很久以前做的一个简单的贪吃蛇案例。
这次的编写控制台贪吃蛇程序对学完C语言没做过项目的小伙伴来说可能是一个不小的挑战。
网络效果图
代码如下：
#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>#include <stdlib.h>#include <math.h>#include <conio.h>#include <time.h>#include <windows.h>#define MAXWIDTH 30#define MAXHEIGHT 30#define INITLEN 3 //贪吃蛇的初始长度 struct{
char *ch; int color; char type;
}
charBorder = { “”, 4, 1 }, //边框charBg = { “”, 2, 2 }, //背景charSnake = { “”, 0xe, 3 }, //贪吃蛇节点charFood = { “”, 0xc, 4 }; //食物//用一个结构体数组保存地图中的各个点struct{
char type; int index;
}globalMap[MAXWIDTH][MAXHEIGHT];struct{
int x; int y;
} snakeMap[(MAXWIDTH – 2)*(MAXHEIGHT – 2)], scoresPostion;int scores = 0; //得分int snakeMapLen = (MAXWIDTH – 2)*(MAXHEIGHT – 2);int headerIndex, tailIndex;
HANDLE hStdin;
// 设置光标位置，x为行，y为列void setPosition(int x, int y){
COORD coord;
coord.X = 2 * y;
coord.Y = x;
SetConsoleCursorPosition(hStdin, coord);
}// 设置颜色void setColor(int color){
SetConsoleTextAttribute(hStdin, color);
}//创建食物void createFood(){ int index, rang, x, y;
srand((unsigned)time(NULL)); if (tailIndex<headerIndex){
rang = headerIndex – tailIndex – 1;
index = rand() % rang + tailIndex + 1;
} else{
rang = snakeMapLen – (tailIndex – headerIndex + 1);
index = rand() % rang; if (index >= headerIndex){
index += (tailIndex – headerIndex + 1);
}
}
x = snakeMap[index].x;
y = snakeMap[index].y;
setPosition(x, y);
setColor(charFood.color); printf(“%s”, charFood.ch);
globalMap[x][y].type = charFood.type;
}//死了void die(){ int xCenter = MAXHEIGHT % 2 == 0 ? MAXHEIGHT / 2 : MAXHEIGHT / 2 + 1; int yCenter = MAXWIDTH % 2 == 0 ? MAXWIDTH / 2 : MAXWIDTH / 2 + 1;
setPosition(xCenter, yCenter – 5);
setColor(0xC); exit(1);
_getch(); exit(0);
}// 蛇移动void move(char direction){ int newHeaderX, newHeaderY; //新蛇头的坐标
int newHeaderPreIndex; //新蛇头坐标以前对应的索引
int newHeaderPreX, newHeaderPreY; //新蛇头的索引以前对应的坐标
int newHeaderPreType; //新蛇头以前的类型
int oldTailX, oldTailY; //老蛇尾坐标
switch (direction){ case ‘w’:
newHeaderX = snakeMap[headerIndex].x – 1;
newHeaderY = snakeMap[headerIndex].y; break; case ‘s’:
newHeaderX = snakeMap[headerIndex].x + 1;
newHeaderY = snakeMap[headerIndex].y; break; case ‘a’:
newHeaderX = snakeMap[headerIndex].x;
newHeaderY = snakeMap[headerIndex].y – 1; break; case ‘d’:
newHeaderX = snakeMap[headerIndex].x;
newHeaderY = snakeMap[headerIndex].y + 1; break;
}
headerIndex = headerIndex == 0 ? snakeMapLen – 1 : headerIndex – 1;
newHeaderPreIndex = globalMap[newHeaderX][newHeaderY].index;
newHeaderPreX = snakeMap[headerIndex].x;
newHeaderPreY = snakeMap[headerIndex].y;
snakeMap[headerIndex].x = newHeaderX;
snakeMap[headerIndex].y = newHeaderY;
globalMap[newHeaderX][newHeaderY].index = headerIndex;
snakeMap[newHeaderPreIndex].x = newHeaderPreX;
snakeMap[newHeaderPreIndex].y = newHeaderPreY;
globalMap[newHeaderPreX][newHeaderPreY].index = newHeaderPreIndex; //新蛇头以前的类型
newHeaderPreType = globalMap[newHeaderX][newHeaderY].type; //设置新蛇头类型
globalMap[newHeaderX][newHeaderY].type = charSnake.type; // 判断是否出界或撞到自己
if (newHeaderPreType == charBorder.type || newHeaderPreType == charSnake.type){
die();
} //输出新蛇头
setPosition(newHeaderX, newHeaderY);
setColor(charSnake.color); printf(“%s”, charSnake.ch); //判断是否吃到食物
if (newHeaderPreType == charFood.type){ //吃到食物
createFood(); //更改分数
setPosition(scoresPostion.x, scoresPostion.y); printf(“%d”, ++scores);
} else{ //老蛇尾坐标
oldTailX = snakeMap[tailIndex].x;
oldTailY = snakeMap[tailIndex].y; //删除蛇尾
setPosition(oldTailX, oldTailY);
setColor(charBg.color); printf(“%s”, charBg.ch);
globalMap[oldTailX][oldTailY].type = charBg.type;
tailIndex = (tailIndex == 0) ? snakeMapLen – 1 : tailIndex – 1;
}
}//下次移动的方向char nextDirection(char ch, char directionOld){ int sum = ch + directionOld;
ch = tolower(ch); if ((ch == ‘w’ || ch == ‘a’ || ch == ‘s’ || ch == ‘d’) && sum != 197 && sum != 234){ return ch;
} else{ return directionOld;
}
}//暂停char pause(){ return _getch();
}// 初始化void init(){ // 设置相关变量
int x, y, index; int xCenter = MAXHEIGHT % 2 == 0 ? MAXHEIGHT / 2 : MAXHEIGHT / 2 + 1; int yCenter = MAXWIDTH % 2 == 0 ? MAXWIDTH / 2 : MAXWIDTH / 2 + 1;
CONSOLE_CURSOR_INFO cci; //控制台光标信息
//判断相关设置是否合理
if (MAXWIDTH<16){ printf(“‘MAXWIDTH’ is too small!”);
_getch(); exit(0);
} //设置窗口大小
system(“mode con: cols=96 lines=32”); //隐藏光标
hStdin = GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleCursorInfo(hStdin, &cci);
cci.bVisible = 0;
SetConsoleCursorInfo(hStdin, &cci); //打印背景
for (x = 0; x<MAXHEIGHT; x++){ for (y = 0; y<MAXWIDTH; y++){ if (y == 0 || y == MAXWIDTH – 1 || x == 0 || x == MAXHEIGHT – 1){
globalMap[x][y].type = charBorder.type;
setColor(charBorder.color); printf(“%s”, charBorder.ch);
} else{
index = (x – 1)*(MAXWIDTH – 2) + (y – 1);
snakeMap[index].x = x;
snakeMap[index].y = y;
globalMap[x][y].type = charBg.type;
globalMap[x][y].index = index;
setColor(charBg.color); printf(“%s”, charBg.ch);
}
} printf(“n”);
} //初始化贪吃蛇
globalMap[xCenter][yCenter – 1].type = globalMap[xCenter][yCenter].type = globalMap[xCenter][yCenter + 1].type = charSnake.type;
headerIndex = (xCenter – 1)*(MAXWIDTH – 2) + (yCenter – 1) – 1;
tailIndex = headerIndex + 2;
setPosition(xCenter, yCenter – 1);
setColor(charSnake.color); for (y = yCenter – 1; y <= yCenter + 1; y++){ printf(“%s”, charSnake.ch);
} //生成食物
createFood(); //设置程序信息
setPosition(xCenter – 1, MAXWIDTH + 2); printf(” 得分 : 0″);
setPosition(xCenter, MAXWIDTH + 2); printf(” 姓名班级 :33班杨超”);
scoresPostion.x = xCenter – 1;
scoresPostion.y = MAXWIDTH + 8;
}int main(){ char charInput, direction = ‘a’;
init();
charInput = tolower(_getch());
direction = nextDirection(charInput, direction); while (1){ if (_kbhit()){
charInput = tolower(_getch()); if (charInput == ‘ ‘){
charInput = pause();
}
direction = nextDirection(charInput, direction);
}
move(direction);
Sleep(500);
}
_getch(); return 0;
}
希望对大家有帮助~
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