基於控制台的貪吃蛇小遊戲

#include <windows.h>#include <time.h>#include <stdio.h>#define MAX100#define UP1#define DOWN2#define LEFT3#define RIGHT4#define MOVING5#define STOP0HANDLE hMain_Out = NULL;HANDLE hMain_In = NULL;struct Pos{int x;int y;};struct Body{int state;int len;int Direction;//int ZZZZ;//int HHHH;Pos pos[MAX];};Pos NewPos[MAX];Pos Food;SMALL_RECT Wall;int count = 0;int grade = 0;int level = 1;int amount = 0;int speed = 200;void Init(Body &b);void Print(const Body &b);void Print(int x,int y);void Move(Body &b);void Clean(int x,int y);void Clean(const Body &b);void ShowInfo();int GetDirection(Body &b);void TurnRound(int Direction,Body &b);void PosCopy(Body &b,Pos NewPos[]);void MoveBody(Body &b);void HideCursor();void CreateWall();void CreateFood();bool IsKnock_Food(const Body &b);bool IsKnock_Wall(const Body &b);void AddBody(Body &b);int main(){Body b;Init(b);Print(b);HideCursor();while(TRUE){Sleep(speed);Move(b);GetDirection(b);}return 0;}void Init(Body &b){b.len = 3;b.Direction = RIGHT;b.state = STOP;b.pos[0].x = 2;b.pos[0].y = 1;b.pos[1].x = 4;b.pos[1].y = 1;b.pos[2].x = 6;b.pos[2].y = 1;hMain_Out = GetStdHandle(STD_OUTPUT_HANDLE);hMain_In = GetStdHandle(STD_INPUT_HANDLE);CreateWall();CreateFood();ShowInfo();}void Print(const Body &b){COORD coord;for(int ix = b.len -1;ix >= 0;--ix){coord.X = b.pos[ix].x;coord.Y = b.pos[ix].y;SetConsoleCursorPosition(hMain_Out,coord);printf("●");}}void Move(Body &b){ShowInfo();if(IsKnock_Wall(b)){MessageBox(NULL,"You are dead !","Oh my God",0);exit(0);}if(IsKnock_Food(b)){if(amount > 5){++level;amount = 0;speed-= 50;}AddBody(b);grade += 10;++amount;Clean(Food.x,Food.y);CreateFood();}if(STOP == b.state){if(RIGHT == b.Direction){for(int ix = 0;ix < b.len;++ix){Clean(b.pos[ix].x,b.pos[ix].y);b.pos[ix].x+=2;}}if(UP == b.Direction){for(int ix = 0;ix < b.len;++ix){Clean(b.pos[ix].x,b.pos[ix].y);b.pos[ix].y--;}}if(DOWN == b.Direction){for(int ix = 0;ix < b.len;++ix){Clean(b.pos[ix].x,b.pos[ix].y);b.pos[ix].y++;}}if(LEFT == b.Direction){for(int ix = 0;ix < b.len;++ix){Clean(b.pos[ix].x,b.pos[ix].y);b.pos[ix].x-=2;}}}if(MOVING == b.state){PosCopy(b,NewPos);if(UP == b.Direction){if(b.len == count){b.state = STOP;b.Direction = UP;count = 0;}if(count < b.len && MOVING == b.state){b.pos[b.len - 1].y--;Clean(b.pos[0].x,b.pos[0].y);MoveBody(b);Print(b);}}if(DOWN == b.Direction){if(b.len == count){b.state = STOP;b.Direction = DOWN;count = 0;}if(count < b.len && MOVING == b.state){b.pos[b.len - 1].y++;Clean(b.pos[0].x,b.pos[0].y);MoveBody(b);Print(b);}}if(LEFT == b.Direction){if(b.len == count){b.state = STOP;b.Direction = LEFT;count = 0;}if(count < b.len && MOVING == b.state){b.pos[b.len - 1].x-=2;Clean(b.pos[0].x,b.pos[0].y);MoveBody(b);Print(b);}}if(RIGHT == b.Direction){if(b.len == count){b.state = STOP;b.Direction = RIGHT;count = 0;}if(count < b.len && MOVING == b.state){b.pos[b.len - 1].x+=2;Clean(b.pos[0].x,b.pos[0].y);MoveBody(b);Print(b);}}}Print(b);}void Clean(int x,int y){COORD c;c.X = x;c.Y = y;SetConsoleCursorPosition(hMain_Out,c);printf(" ");}void Clean(const Body &b){for(int ix = 0;ix < b.len;++ix){Clean(b.pos[ix].x,b.pos[ix].y);}}int GetDirection(Body &b){if(GetAsyncKeyState(VK_UP)){count = 0;TurnRound(UP,b);}if(GetAsyncKeyState(VK_DOWN)){count = 0;TurnRound(DOWN,b);}if(GetAsyncKeyState(VK_LEFT)){count = 0;TurnRound(LEFT,b);}if(GetAsyncKeyState(VK_RIGHT)){count = 0;TurnRound(RIGHT,b);}return 0;}void TurnRound(int d,Body &b){switch(d){case UP:if(RIGHT == b.Direction || LEFT == b.Direction){PosCopy(b,NewPos);--b.pos[b.len -1].y;Clean(b.pos[0].x,b.pos[0].y);MoveBody(b);Print(b);b.Direction = d;b.state = MOVING;}break;case DOWN:if(RIGHT == b.Direction || LEFT == b.Direction){PosCopy(b,NewPos);++b.pos[b.len -1].y;Clean(b.pos[0].x,b.pos[0].y);MoveBody(b);Print(b);b.Direction = d;b.state = MOVING;}break;case LEFT:if(UP == b.Direction || DOWN == b.Direction){PosCopy(b,NewPos);b.pos[b.len -1].x-=2;Clean(b.pos[0].x,b.pos[0].y);MoveBody(b);Print(b);b.Direction = d;b.state = MOVING;}break;case RIGHT:if(UP == b.Direction || DOWN == b.Direction){PosCopy(b,NewPos);b.pos[b.len -1].x+=2;Clean(b.pos[0].x,b.pos[0].y);MoveBody(b);Print(b);b.Direction = d;b.state = MOVING;}break;default:break;}}void PosCopy(Body &b,Pos NewPos[]){for(int ix = 0;ix < b.len;++ix){NewPos[ix].x=0;NewPos[ix].y=0;}for(int ix = 0;ix <b.len;++ix){NewPos[ix] = b.pos[ix];}}void MoveBody(Body &b){for(int ix = b.len - 1;ix > 0;--ix){b.pos[ix - 1] = NewPos[ix];}++count;PosCopy(b,NewPos);}void HideCursor(){CONSOLE_CURSOR_INFO info;GetConsoleCursorInfo(hMain_Out,&info);info.bVisible = FALSE;SetConsoleCursorInfo(hMain_Out,&info);}void CreateWall(){CONSOLE_SCREEN_BUFFER_INFO info;GetConsoleScreenBufferInfo(hMain_Out,&info);info.srWindow.Right-=19;info.srWindow.Bottom-=5;Wall = info.srWindow;for(int i = 0;i <= info.srWindow.Right;i+=2){Print(i,info.srWindow.Top);Print(i,info.srWindow.Bottom);}for(int y = 0;y <= info.srWindow.Bottom;++y){Print(0,y);Print(info.srWindow.Right,y);}}void Print(int x,int y){COORD c;c.X = x;c.Y = y;SetConsoleCursorPosition(hMain_Out,c);printf("■");}void CreateFood(){srand(unsigned(time(NULL)));unsigned x_t = RAND_MAX  / Wall.Right;unsigned y_t = RAND_MAX  / Wall.Bottom;while(true){int x = rand() / x_t;int y = rand() / y_t;Food.x = x - 4;Food.y = y - 4;if((0 == Food.x % 2)  &&  (0 == Food.y % 2)){if(Food.x < 5){Food.x+=8;}if(Food.y<5){Food.y+=8;}Print(Food.x,Food.y);break;}}}bool IsKnock_Food(const Body &b){if(b.pos[b.len - 1].x == Food.x && b.pos[b.len - 1].y== Food.y){return true;}else{return false;}}bool IsKnock_Wall(const Body &b){if(0 == b.pos[b.len - 1].x || 0 == b.pos[b.len - 1].y || Wall.Right == b.pos[b.len - 1].x || Wall.Bottom == b.pos[b.len - 1].y){return true;}Pos Head = b.pos[b.len - 1];for(int ix = 0;ix <= b.len - 3;++ix){if(Head.x == b.pos[ix].x && Head.y == b.pos[ix].y){return true;}}return false;}void ShowInfo(){COORD c;c.X = Wall.Right + 2;c.Y = 3;SetConsoleCursorPosition(hMain_Out,c);printf("   分數：%d",grade);c.Y+=10;SetConsoleCursorPosition(hMain_Out,c);printf("   難度等級：%d",level);}void AddBody(Body &b){if(b.len < MAX){if(UP == b.Direction){b.pos[b.len].y = b.pos[b.len - 1].y - 1;b.pos[b.len].x = b.pos[b.len - 1].x;++b.len;}if(DOWN == b.Direction){b.pos[b.len].y = b.pos[b.len - 1].y + 1;b.pos[b.len].x = b.pos[b.len - 1].x;++b.len;}if(LEFT == b.Direction){b.pos[b.len].x = b.pos[b.len - 1].x - 2;b.pos[b.len].y = b.pos[b.len - 1].y;++b.len;}if(RIGHT == b.Direction){b.pos[b.len].x = b.pos[b.len - 1].x + 2;b.pos[b.len].y = b.pos[b.len - 1].y;++b.len;}}}

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