WinFormRayTrace

C# port of the tiny ray tracer described in https://github.com/ssloy/tinyraytracer/wiki as a WinForms project.

Here are some interesting features:

• It is WinForms desktop application that draws the graphics on a PictureBox by rendering a bitmap and assigning it to the UI.
• Bitmap rendering uses LockBits() and unsafe poiners for fast processing. It supports 24bit and 32bit bitmaps only.
• Uses System.Numerics for SIMD Vectors
• Outer loop is Parallel.For() in release mode, and regular loop in debug mode.
• Is a lot more OOP with the intent of creating classes to combine related code.
  • Scene - Contains all the lights and spheres as well as rendering related properties. All of the code for intersections and ray casting are included in this class. Finally, the rendering to a bitmap is done here, via the FrameBuffer object.
  • FrameBuffer - This is a pixel array of colors. Each ray writes to a single pixel in this array and then rendered into a bitmap using the Render(PixelFormat format) method.
  • Camera - This handles the pixel to screen coordinates. Pixel coordinates go from 0 to Height and Width and screen coordinates go from 0.0 to 1.0 in the scene.
  • Light - This contains all the color and attributes for each light in the scene.
  • Material - This contains all the color and attributes for each material assigned to objects in the scene.
  • Ray - This is basic ray with a vector origin and a vector direction.
  • Sphere - This is a basic sphere with a center, radius and material information.
• Drawing on the UI is done asynchronously in order to be more responsive since each frame might take more than 500 milliseconds to render.

The screen should look as follows: