Introduction

In this project, we will create a simple virtual pet game using C++ where you can interact with a virtual pet by feeding it, playing with it, and taking care of its needs. This game will help you understand basic concepts like object-oriented programming, user interaction, and simple input/output handling in C++.

Objective

The objective of this project is to create a virtual pet that responds to various commands. You can feed the pet to keep it happy, and interact with it by checking its mood. The program will continuously monitor the pet’s status, ensuring it doesn’t get too hungry or neglected.

C++ Code

#include 
#include 

using namespace std;

// Define a Pet class
class Pet {
private:
    string name;
    int hunger;
    int happiness;

public:
    Pet(string petName) : name(petName), hunger(50), happiness(50) {}

    void feed() {
        hunger -= 10;
        if (hunger < 0) hunger = 0;
        cout << name << " has been fed!" << endl; } void play() { happiness += 10; if (happiness > 100) happiness = 100;
        cout << name << " had fun playing!" << endl;
    }

    void checkStatus() {
        cout << "\nPet Name: " << name << endl;
        cout << "Hunger Level: " << hunger << "/100" << endl;
        cout << "Happiness Level: " << happiness << "/100" << endl; } void getHungry() { hunger += 5; if (hunger > 100) hunger = 100;
    }

    void getSad() {
        happiness -= 5;
        if (happiness < 0) happiness = 0;
    }
};

int main() {
    string petName;
    cout << "Enter a name for your pet: "; cin >> petName;

    Pet myPet(petName);

    int choice;
    while (true) {
        cout << "\n--- Virtual Pet Game ---\n";
        cout << "1. Feed the Pet\n";
        cout << "2. Play with the Pet\n";
        cout << "3. Check Pet Status\n";
        cout << "4. Exit\n";
        cout << "Enter your choice: "; cin >> choice;

        switch (choice) {
            case 1:
                myPet.feed();
                break;
            case 2:
                myPet.play();
                break;
            case 3:
                myPet.checkStatus();
                break;
            case 4:
                cout << "Goodbye! Thanks for taking care of your pet.\n";
                return 0;
            default:
                cout << "Invalid choice. Please try again.\n";
        }

        // Simulate time passing for the pet
        myPet.getHungry();
        myPet.getSad();
    }

    return 0;
}

Explanation of the Program Structure

This program defines a Pet class with private data members for the pet’s name, hunger level, and happiness level. The class contains methods to:

• feed(): Decreases the pet’s hunger.
• play(): Increases the pet’s happiness.
• checkStatus(): Displays the current hunger and happiness levels of the pet.
• getHungry() and getSad(): Simulate the pet getting hungrier and sadder as time progresses.

The main() function starts by prompting the user to input a name for the pet. It then enters a loop where the user can choose between feeding the pet, playing with it, checking its status, or quitting the game. The program simulates the passage of time by incrementing the pet’s hunger and sadness levels in every loop iteration.

How to Run the Program

To run this program, follow these steps:

1. Ensure you have a C++ compiler installed (e.g., GCC, Clang, or Visual Studio).
2. Copy the provided C++ code into a new text file and save it with a .cpp extension (e.g., virtual_pet.cpp).
3. Open a terminal or command prompt and navigate to the folder containing the .cpp file.
4. Compile the program by running the following command: g++ -o virtual_pet virtual_pet.cpp (replace g++ with your compiler if necessary).
5. Run the compiled program by typing ./virtual_pet in the terminal.