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

#define SCREEN_WIDTH 90 #define SCREEN_HEIGHT 26 #define WIN_WIDTH 70

using namespace std;

HANDLE console = GetStdHandle(STD_OUTPUT_HANDLE); COORD CursorPosition;

int enemyY[3]; int enemyX[3]; int enemyFlag[3]; char car[4][4] = { ' ','±','±',' ', '±','±','±','±', ' ','±','±',' ', '±','±','±','±' };

int carPos = WIN_WIDTH/2; int score = 0;

void gotoxy(int x, int y){ CursorPosition.X = x; CursorPosition.Y = y; SetConsoleCursorPosition(console, CursorPosition); } void setcursor(bool visible, DWORD size) { if(size == 0) size = 20;

CONSOLE_CURSOR_INFO lpCursor;   
lpCursor.bVisible = visible;
lpCursor.dwSize = size;
SetConsoleCursorInfo(console,&lpCursor);

} void drawBorder(){ for(int i=0; i<SCREEN_HEIGHT; i++){ for(int j=0; j<17; j++){ gotoxy(0+j,i); cout<<"±"; gotoxy(WIN_WIDTH-j,i); cout<<"±"; } } for(int i=0; i<SCREEN_HEIGHT; i++){ gotoxy(SCREEN_WIDTH,i); cout<<"±"; } } void genEnemy(int ind){ enemyX[ind] = 17 + rand()%(33); } void drawEnemy(int ind){ if( enemyFlag[ind] == true ){ gotoxy(enemyX[ind], enemyY[ind]); cout<<""; gotoxy(enemyX[ind], enemyY[ind]+1); cout<<" ** "; gotoxy(enemyX[ind], enemyY[ind]+2); cout<<""; gotoxy(enemyX[ind], enemyY[ind]+3); cout<<" ** "; } } void eraseEnemy(int ind){ if( enemyFlag[ind] == true ){ gotoxy(enemyX[ind], enemyY[ind]); cout<<" "; gotoxy(enemyX[ind], enemyY[ind]+1); cout<<" "; gotoxy(enemyX[ind], enemyY[ind]+2); cout<<" "; gotoxy(enemyX[ind], enemyY[ind]+3); cout<<" "; } } void resetEnemy(int ind){ eraseEnemy(ind); enemyY[ind] = 1; genEnemy(ind); }

void drawCar(){ for(int i=0; i<4; i++){ for(int j=0; j<4; j++){ gotoxy(j+carPos, i+22); cout<<car[i][j]; } } } void eraseCar(){ for(int i=0; i<4; i++){ for(int j=0; j<4; j++){ gotoxy(j+carPos, i+22); cout<<" "; } } }

int collision(){ if( enemyY[0]+4 >= 23 ){ if( enemyX[0] + 4 - carPos >= 0 && enemyX[0] + 4 - carPos < 9 ){ return 1; } } return 0; } void gameover(){ system("cls"); cout<<endl; cout<<"\t\t--------------------------"<<endl; cout<<"\t\t-------- Game Over -------"<<endl; cout<<"\t\t--------------------------"<<endl<<endl; cout<<"\t\tPress any key to go back to menu."; getch(); } void updateScore(){ gotoxy(WIN_WIDTH + 7, 5);cout<<"Score: "<<score<<endl; }

void instructions(){

system("cls");
cout<<"Instructions";
cout<<"\n----------------";
cout<<"\n Avoid Cars by moving left or right. ";
cout<<"\n\n Press 'a' to move left";
cout<<"\n Press 'd' to move right";
cout<<"\n Press 'escape' to exit";
cout<<"\n\nPress any key to go back to menu";
getch();

}

void play(){ carPos = -1 + WIN_WIDTH/2; score = 0; enemyFlag[0] = 1; enemyFlag[1] = 0; enemyY[0] = enemyY[1] = 1;

system("cls"); 
drawBorder(); 
updateScore();
genEnemy(0);
genEnemy(1);

gotoxy(WIN_WIDTH + 7, 2);cout<<"Car Game";
gotoxy(WIN_WIDTH + 6, 4);cout<<"----------";
gotoxy(WIN_WIDTH + 6, 6);cout<<"----------";
gotoxy(WIN_WIDTH + 7, 12);cout<<"Control ";
gotoxy(WIN_WIDTH + 7, 13);cout<<"-------- ";
gotoxy(WIN_WIDTH + 2, 14);cout<<" A Key - Left";
gotoxy(WIN_WIDTH + 2, 15);cout<<" D Key - Right"; 

gotoxy(18, 5);cout<<"Press any key to start";
getch();
gotoxy(18, 5);cout<<"                      ";

while(1){
    if(kbhit()){
        char ch = getch();
        if( ch=='a' || ch=='A' ){
            if( carPos > 18 )
                carPos -= 4;
        }
        if( ch=='d' || ch=='D' ){
            if( carPos < 50 )
                carPos += 4;
        } 
        if(ch==27){
            break;
        }
    } 

    drawCar(); 
    drawEnemy(0); 
    drawEnemy(1); 
    if( collision() == 1  ){
        gameover();
        return;
    } 
    Sleep(50);
    eraseCar();
    eraseEnemy(0);
    eraseEnemy(1);   

    if( enemyY[0] == 10 )
        if( enemyFlag[1] == 0 )
            enemyFlag[1] = 1;

    if( enemyFlag[0] == 1 )
        enemyY[0] += 1;

    if( enemyFlag[1] == 1 )
        enemyY[1] += 1;

    if( enemyY[0] > SCREEN_HEIGHT-4 ){
        resetEnemy(0);
        score++;
        updateScore();
    }
    if( enemyY[1] > SCREEN_HEIGHT-4 ){
        resetEnemy(1);
        score++;
        updateScore();
    }
}

}

int main() { setcursor(0,0); srand( (unsigned)time(NULL));

do{
    system("cls");
    gotoxy(10,5); cout<<" -------------------------- "; 
    gotoxy(10,6); cout<<" |        Car Game        | "; 
    gotoxy(10,7); cout<<" --------------------------";
    gotoxy(10,9); cout<<"1. Start Game";
    gotoxy(10,10); cout<<"2. Instructions";  
    gotoxy(10,11); cout<<"3. Quit";
    gotoxy(10,13); cout<<"Select option: ";
    char op = getche();

    if( op=='1') play();
    else if( op=='2') instructions();
    else if( op=='3') exit(0);

}while(1);

return 0;

}