/* * By: Pers * Date: Jul 25, 2017 * * Description: Drawing a symbolic V-2 Rocket with different sizes * based on the user input. */ #include #include // abs(n) using std::cout; using std::cin; using std::endl; // Prototypes void blank(int start, int n); void headGen(int currentHeight); void bodyGen(int currentHeight, int overalHeight); void tailGen(int margin); int main() { int height = 35; // Rocket height // Input evaluation loop do { // <<<<<< Prompt >>>>>> cout << "Enter Rocket height (29 - 41): "; cin >> height; cout << endl << endl; if (std::cin.fail()) { std::cin.clear(); std::cin.ignore(200, '\n'); cout << "Invalid input!\n"; continue; } if (height >= 29 && height <= 41) break; } while (true); // increase to the upper odd number (to look tidy) if (height % 2 == 0) ++height; int margin = 0; // distance from window's margin int head = 0; // head height int body = height - head - 2; // body heght int tail = body / 3; // tail height // finding head height for (int x = 28; x <= height; ++x) { if (x % 2 == 0) ++head; } // the main loop for (int i = 0; i < height; ++i) { // printing rocket warhead if (i < head) { blank(i, head + 6); headGen(i); } // printing the body else { if (i < body - tail + head) { cout << " |"; bodyGen(i, height); cout << endl; } // printing tails else { blank(margin , 5); tailGen(margin + 1); bodyGen(i, height); tailGen(margin); cout << endl; if (i < body - tail + head * 1.7) ++margin; } } } // end of the main loop } void headGen(int currentHeight) { for (int capSide1 = 0; capSide1 <= currentHeight; ++capSide1) cout << "/"; for (int capSide2 = 0; capSide2 <= currentHeight; ++capSide2) cout << "\\"; cout << endl; } void bodyGen(int currentHeight, int overalHeight) { int width = overalHeight - 27; for (int j = 0; j < width; ++j) { if (currentHeight < overalHeight - 5) { // printing V2 if (currentHeight == overalHeight - 27 && j == width / 2 - 1) { cout << "V2"; ++j; } else cout << (char)219; } else if (currentHeight < overalHeight - 2) cout << (char)177; else cout << (char)255; } cout << "|"; } void tailGen(int margin) { for (int k = 0; k <= margin; ++k) cout << "|"; } void blank(int start, int n) { for (int i = start; i <= n; ++i) cout << " "; }

Nazi V-2 Rocket(different sizes)