main.c

#include "raylib.h"

int main(void)
{
    const int screenWidth = 800;
    const int screenHeight = 450;

    InitWindow(screenWidth, screenHeight, "Classic Pong Clone");
    SetTargetFPS(144);

    Vector2 ballPosition = { screenWidth / 2.0f, screenHeight / 2.0f };
    Vector2 ballSpeed = { 4.0f, 4.0f };
    const int ballSize = 10;  // This is the radius of the ball

    const int paddleWidth = 10;
    const int paddleHeight = 100;
    Vector2 player1Position = { 50, screenHeight / 2.0f - paddleHeight / 2.0f };
    Vector2 player2Position = { screenWidth - 50 - paddleWidth, screenHeight / 2.0f - paddleHeight / 2.0f };
    const float paddleSpeed = 5.0f;

    int player1Score = 0;
    int player2Score = 0;
    const int maxScore = 5;

    while (!WindowShouldClose())
    {
        // Player 1 controls (W/S keys)
        if (IsKeyDown(KEY_W)) player1Position.y -= paddleSpeed;
        if (IsKeyDown(KEY_S)) player1Position.y += paddleSpeed;

        // Player 2 controls (Up/Down arrow keys)
        if (IsKeyDown(KEY_UP)) player2Position.y -= paddleSpeed;
        if (IsKeyDown(KEY_DOWN)) player2Position.y += paddleSpeed;

        // Keep paddles within screen bounds
        if (player1Position.y < 0) player1Position.y = 0;
        if (player1Position.y + paddleHeight > screenHeight) 
            player1Position.y = screenHeight - paddleHeight;

        if (player2Position.y < 0) player2Position.y = 0;
        if (player2Position.y + paddleHeight > screenHeight) 
            player2Position.y = screenHeight - paddleHeight;

        // Ball movement
        ballPosition.x += ballSpeed.x;
        ballPosition.y += ballSpeed.y;

        // Ball collision with top and bottom walls
        if (ballPosition.y <= 0 || ballPosition.y + ballSize >= screenHeight)
        {
            ballSpeed.y *= -1.0f;
        }

        // Ball collision with paddles
        if (CheckCollisionCircleRec(
                ballPosition, 
                ballSize, 
                (Rectangle){ player1Position.x, player1Position.y, paddleWidth, paddleHeight }))
        {
            ballSpeed.x *= -1.0f;
            ballPosition.x = player1Position.x + paddleWidth + ballSize;
        }

        if (CheckCollisionCircleRec(
                ballPosition, 
                ballSize, 
                (Rectangle){ player2Position.x, player2Position.y, paddleWidth, paddleHeight }))
        {
            ballSpeed.x *= -1.0f;
            ballPosition.x = player2Position.x - ballSize;
        }

        // Scoring system
        if (ballPosition.x < 0) // Player 2 scores
        {
            player2Score++;
            ballPosition = (Vector2){ screenWidth / 2.0f, screenHeight / 2.0f };
            ballSpeed = (Vector2){ 4.0f, 4.0f };
        }
        if (ballPosition.x > screenWidth) // Player 1 scores
        {
            player1Score++;
            ballPosition = (Vector2){ screenWidth / 2.0f, screenHeight / 2.0f };
            ballSpeed = (Vector2){ -4.0f, -4.0f };
        }

        // End game if a player reaches the max score
        if (player1Score == maxScore || player2Score == maxScore)
        {
            BeginDrawing();
            ClearBackground(BLACK);
            DrawText("GAME OVER", screenWidth / 2 - 100, screenHeight / 2 - 20, 40, RED);
            EndDrawing();
            break;
        }

        BeginDrawing();
        ClearBackground(BLACK);

        DrawCircleV(ballPosition, ballSize, WHITE);

        DrawRectangleV(player1Position, (Vector2){ paddleWidth, paddleHeight }, WHITE);
        DrawRectangleV(player2Position, (Vector2){ paddleWidth, paddleHeight }, WHITE);

        DrawText(TextFormat("%d", player1Score), screenWidth / 4, 20, 40, WHITE);
        DrawText(TextFormat("%d", player2Score), screenWidth * 3 / 4, 20, 40, WHITE);

        EndDrawing();
    }

    CloseWindow();

    return 0;
}