SoftwareRasterizer/SoftwareRasterizer.cs

using Raylib_cs;

class SoftwareRasterizer
{
    
    const int screenWidth = 1280 * 2;
    const int screenHeight = 800 * 2;

    const int scale = 8;

    private RenderDevice renderer;
    
    static void Main()
    {
        SoftwareRasterizer sr = new SoftwareRasterizer();
        sr.start();
    }

    public void start()
    {
        
        Raylib.InitWindow(screenWidth, screenHeight, "Software Rasterizer");
        Raylib.SetTargetFPS(0);

        renderer = new RenderDevice(screenWidth / scale, screenHeight / scale, screenWidth, screenHeight);

        int frameCounter = 0;

        Random rand = new Random();
        
        while (!Raylib.WindowShouldClose())
        {
            for (int i = 0; i < renderer.height; i++)
            {
                for (int j = 0; j < renderer.width; j++)
                {
                    renderer.SetPixel(j, i, new float3((j / (float)(renderer.width)) * 255, (i / (float)(renderer.height)) * 255, rand.Next(1,256)));
                }
            }
            // Render
            Raylib.BeginDrawing();
            Raylib.ClearBackground(Color.Black);
            //
            renderer.render();
            //
            Raylib.DrawText($"FPS: {Raylib.GetFPS()}", 10, 10, 20, Color.White);
            Raylib.EndDrawing();
            frameCounter += 2;
        }

        // Cleanup
        renderer.cleanup();
        Raylib.CloseWindow();
    }
}