Ocular

Ocular is a ray tracer written for fun. It follows the Raytracing in One Weekend series.

Features

From First Book:

• Positionable Cameras with Defocus Blur
• Spheres
• Antialiasing
• Diffuse, Metal and Dielectric Materials

From Second Book:

• Bounding Boxes
• Textures (only for spheres)
• Emissive Materials (and lights)

Additional Features:

• Triangle Meshes
• .obj File Loading
• Multithreaded Rendering

To Be Implemented:

• Properly document everything
• Loading images as textures
• Support more image formats (only supports .bmp as of now)
• UV Coordinates for Meshes
• Instance translation and rotation
• Volumes

Example Renders

Rendering Options

Options for rendering are provided as a RenderOptions object.

• width: Width of the final image
• height: Height of the final image
• crop_region: Region of the camera to render
• samples: No. of samples per pixel
• bounces: Maximum no. of bounces per light ray
• clip_start: Minimum bound for clipping
• clip_end: Maximum bound for clipping
• block_size: Size of each square block in a multithreaded render