Snake game in C plus plus
Answers
Answer:
Explanation:
#include < iostream >
#include < conio.h >
using namespace std;
bool gameover;
const int width = 20;
const int height = 17;
int x, y, fruitX, fruitY, score;
int tailX[100], tailY[100]; //snake coordinates
int nTail;
enum eDirecton {STOP = 0, LEFT,RIGHT, UP, DOWN}; // Controls
eDirecton dir;
void Setup() {
gameover = false;
dir = STOP;
x = width / 2;
y = height / 2;
fruitX = rand() % width; //display fruit in a random place
fruitY = rand() % height; score = 0;
}
void Draw() {
system("cls");
for(int i = 0; i < width+2; i++)
cout << "#";
cout << endl ;
for (int i = 0; i < height ; i++) {
for (int j = 0; j < width; j++) {
if (j == 0)
cout << "#"; //walls
if (i == y && j == x)
cout << "*"; // snake tale
else if (i == fruitY && j == fruitX )
cout << "%"; // change it to change the fruit
else {
bool print = false;
for (int k = 0; k< nTail ; k++) {
if (tailX [k] == j && tailY [k] == i) {
cout << "*"; print = true;
}
}
if (!print) cout << " ";
}
if (j == width -1)
cout << "#";
}
cout << endl;
}
for (int i = 0; i< width+2; i++)
cout << "#";
cout << endl;
cout << "Score:" << score << endl ;
}
void Input ()
{
if (_kbhit ()) {
switch (_getch ()) {
case 'a':
dir = LEFT;
break;
case 'd':
dir = RIGHT;
break;
case 'w':
dir = UP;
break;
case 's':
dir = DOWN ;
break;
case 'x':
gameover = true;
break;
}
}
}
void algorithm()
{
int prevX = tailX [0];
int prevY = tailY [0];
int prev2X, prev2Y;
tailX[0] = x;
tailY[0] = y;
for(int i = 1;i < nTail ; i++) {
prev2X = tailX[i];
prev2Y = tailY[i];
tailX[i] = prevX;
tailY[i] = prevY;
prevX = prev2X;
prevY = prev2Y ;
}
switch (dir) {
case LEFT:
x--;
break;
case RIGHT:
x++;
break;
case UP:
y--;
break;
case DOWN:
y++;
break;
default:
break;
}
if (x >= width) x =0;else if (x <0) x = width -1;
if (y >= height) y = 0; else if (y < 0) y = height - 1;
for (int i =0; i< nTail ;i++)
if (tailX[i] == x && tailY[i] == y)
gameover = true;
if (x == fruitX && y == fruitY) {
score +=10;
fruitX = rand() % width;
fruitY = rand() % height;
nTail ++;
}
}
int main()
{
Setup();
while (!gameover) {
Draw ();
Input ();
algorithm ();
}
return 0;
}