c++贪吃蛇

#include<iostream> #include<stdio.h> #include<conio.h> #include<windows.h> #include<time.h>

using namespace std;

HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);

// 地图大小 #define W 40 #define H 40

struct snake{ int x,y; }; // 蛇结构体数组 snake snakes[W*H]; // 蛇的长度, 移动方向 int len = 0; char dir = 'd'; // 食物坐标 int foodx = 0,foody = 0; int FPS = 200; // 分数 速度 int score = 0, speed = (220-FPS)/20;

// 隐藏光标 void HideCursor(){ CONSOLE_CURSOR_INFO cursor_info = {1, 0}; SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info); }

// 设置光标位置 void setPos(int x,int y) { CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
HANDLE hConsoleOut; hConsoleOut = GetStdHandle(STD_OUTPUT_HANDLE); GetConsoleScreenBufferInfo(hConsoleOut,&csbiInfo); csbiInfo.dwCursorPosition.X = x;
csbiInfo.dwCursorPosition.Y = y;
SetConsoleCursorPosition(hConsoleOut,csbiInfo.dwCursorPosition); }

// 带颜色的输出 void COLOR_PRINT(const char* s, int color){ HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE); SetConsoleTextAttribute(handle, FOREGROUND_INTENSITY | color); printf(s); SetConsoleTextAttribute(handle, FOREGROUND_INTENSITY | 7); }

// 游戏结束 bool GameOver(){ // 撞墙 snake t = snakes[0]; if(t.x >= W-1 || t.x <= 0 || t.y >= H-1 || t.y <= 0){ return true; } // 吃到自己 for(int i=3;i<=len-1;i++){ if(t.x == snakes[i].x && t.y == snakes[i].y){ return true; } } return false; }

// 判断食物和蛇身是否重合 bool inSnake(int x, int y){ for(int i=0;i<len;i++){ if(snakes[i].x == x && snakes[i].y == y) return false; } return true; }

// 随机生成食物 void createFood(){ srand(time(NULL)); while(1){ // 1~(W-1) foodx = rand()%(W-2)+1; foody = rand()%(H-2)+1; if(inSnake(foodx,foody)) return; } }

// 初始化 void init(){ // 初始化蛇 len = 4; snakes[0].x = 2; snakes[0].y = 2; for(int i=1;i<len;i++){ snakes[i].x = snakes[i-1].x + 1; snakes[i].y = snakes[i-1].y; } // 初始化食物 createFood(); }

// 游戏提示 void tips(){ setPos(W2+4, 3); printf("游戏说明：\n"); setPos(W2+4, 5); printf("按W A S D 或者 ↑ ↓ ← → 操控游戏\n"); setPos(W2+4, 7); printf("按Q减速，按E加速\n"); setPos(W2+4, 9); printf("当前食物分数：%d\n", 100+10speed); setPos(W2+4, 11); printf("当前速度：%d\n", speed); setPos(W*2+4, 13); printf("总 分：%d\n", score); }

// 画地图 void draw(){ for(int i=0;i<W;i++){ for(int j=0;j<H;j++){ if(i==0 || j==0 || i == W-1 || j == H-1) { setPos(i2,j); printf("■"); } } } // 画蛇 for(int i=0;i<len;i++){ setPos(snakes[i].x2,snakes[i].y); // printf("■"); if(i == 0) COLOR_PRINT("■", 4); else COLOR_PRINT("■", 1); } // 画食物 setPos(foodx*2,foody); // printf("■"); COLOR_PRINT("■", 10); // 更新数据信息 FPS = min(FPS, 200); FPS = max(FPS, 60); speed = (220-FPS)/20; tips(); }

// 控制移动 void move(){ int dx = 0, dy = 0; if(dir == 'u') dy = -1; else if(dir == 'd') dy = 1; else if(dir == 'l') dx = -1; else if(dir == 'r') dx = 1; setPos(snakes[len-1].x*2,snakes[len-1].y); printf(" "); for(int i=len-1;i>=1;i--){ snakes[i].x = snakes[i-1].x; snakes[i].y = snakes[i-1].y; } snakes[0].x = snakes[0].x + dx; snakes[0].y = snakes[0].y + dy; }

// 按键响应 void keyDown(){ char key; while(kbhit()) key = _getch(); // 看不见的输入获取 switch(key){ case 'W': case 'w': case 72: if(dir != 'd') dir = 'u'; break; case 'S': case 's': case 80: if(dir != 'u') dir = 'd'; break; case 'A': case 'a': case 75: if(dir != 'r') dir = 'l'; break; case 'D': case 'd': case 77: if(dir != 'l') dir = 'r'; break; case 'E': case 'e': FPS -= 20; break; case 'Q': case 'q': FPS += 20; break; } }

// 吃到食物 void eatFood(){ if(snakes[0].x == foodx && snakes[0].y == foody){ len++; for(int i=len-1;i>=1;i--){ snakes[i].x = snakes[i-1].x; snakes[i].y = snakes[i-1].y; } snakes[0].x = foodx; snakes[0].y = foody; setPos(foodx2,foody); printf(" "); score += 100+speed10; createFood(); } }

int main(){ HideCursor(); // 隐藏光标 init(); // 初始化游戏内容 tips(); while(1){ if(GameOver()) break; // 游戏结束判断 keyDown(); // 键盘按键 move(); // 蛇移动 eatFood(); // 判断是否吃到食物 draw(); // 画出地图和蛇 Sleep(FPS); } setPos((W+1)/2,(H-1)/2); COLOR_PRINT("游戏结束！，您获得了", 4); printf("%d分", score); setPos(0,H+2); system("pause"); return 0; }