Making a Snake game using C++!

snake.cpp

@@ -0,0 +1,244 @@
+#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;
+
+}