Added bug eating fruit game in cpp

C++/BugEatFruitGame.cpp

@@ -0,0 +1,174 @@
+#include <iostream>
+#include <conio.h>
+#include <windows.h>
+using namespace std;
+
+bool gameOver;
+const int width = 20; //map dimention
+const int height = 20; //map dimention
+int x, y, fruitX, fruitY, score;
+
+int tailX[100], tailY[100]; //The tail shall follow the head and prev chracters of body.
+int nTail;
+
+enum eDirection { STOP= 0, LEFT, RIGHT, UP, DOWN};   //Enumeration stop,up left right down- w, a, d, s
+eDirection dir;
+
+void Setup() //Setups for game
+{
+    gameOver = false;
+    dir = STOP;
+    x = width/2; //To center the bug on the map (x)
+    y= height/2; //To center the bug on the map (y)
+    fruitX = rand() % width; //Place fruit randomly on (x). Random put on width -1 area.
+    fruitY = rand() % height; //Place fruit randomly on (x). Random put on width -1 area.
+    score = 0;
+}
+
+void Draw() //map
+{
+    system("cls"); //System("clear") to clear screen.
+    for (int i = 0; i <width+2; i++) //Map border
+        cout << "#"; 
+    cout<<endl;
+
+    for (int i = 0; i <height; i++)
+    {
+        for (int j = 0; j <width; j++)
+        {
+            if(j == 0)
+                cout<<"#";
+            if (i == y && j==x)
+                cout<<"O";  //Head of the bug
+            else if (i == fruitY && j == fruitX)
+                cout<<"F"; //Fruit
+            else
+            {
+                bool print = false;
+                for(int k = 0; k <nTail; k++) //for making the length of tail.
+                {
+                    if(tailX[k] == j && tailY[k] == i) //To print tail
+                    {
+                        cout<< "o";
+                        print = true;
+                    }
+                }
+                if (!print)
+                    cout<<" ";  //Space 
+            }
+
+            if(j == width-1)
+                cout<< "#";  //Map border
+
+        }
+        cout<<endl;
+    }
+
+
+    for (int i = 0; i <width+2; i++) //Map border
+        cout << "#";
+
+    cout<<endl;
+    cout<< "Score: "<< score << endl;
+
+}
+void Input() //Controls
+{
+    if(_kbhit()) //returns a charcter if keyboard is pressed. uses conio.h
+    {
+        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 Logic()
+{
+    int prevX = tailX[0]; //prev x coordinate of tail.
+    int prevY = tailY[0]; //prev y coordinate of tail.
+    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 || y> height || y< 0) //Hit the wall
+        gameOver = true;
+
+    /* Uncomment this to make your bug move through the wall and appear through other side of the wall.
+    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++)  //Hit the tail
+    {
+        if(tailX[i] == x && tailY[i] == y)
+            gameOver = true;
+    }
+
+    if(x == fruitX && y == fruitY)
+    {
+        score += 5;
+        fruitX = rand() % width;
+        fruitY = rand() % height;
+        nTail++;
+    }
+
+}
+int main()
+{
+    Setup();
+    while (!gameOver)
+    {
+        Draw();
+        Input();
+        Logic();
+        //Sleep(10); Slows our game. // Uncomment line 3, #include <windows.h>
+    }
+    return 0;
+}
+
+//User's note: The code continously toggels so it's better to open in console window.