//> link: -lraylib -lm

import "raylib.h" as raylib;

fn main() {
    raylib::InitWindow(800, 600, "Zen C + Raylib");
    defer raylib::CloseWindow();

    raylib::SetTargetFPS(60);
    
    let x = 400;
    let y = 300;
    let dx = 5;
    let dy = 4;
    let radius = 30;
    
    while !raylib::WindowShouldClose() 
    {
        x += dx;
        y += dy;
        
        if x - radius < 0 || x + radius > 800 {
            dx = -dx;
        }
        if y - radius < 0 || y + radius > 600 {
            dy = -dy;
        }
        
        raylib::BeginDrawing();
        raylib::ClearBackground(RAYWHITE);
        
        raylib::DrawText("Zen C + Raylib Demo!", 250, 20, 30, DARKGRAY);
        
        raylib::DrawCircle(x, y, (float)radius, RED);
        
        raylib::DrawFPS(10, 10);
        
        raylib::EndDrawing();
    }
}