Izpi

A path tracer implemented in Golang built on top of Peter Shirley's Raytracing books.

Features

• Rendering into a float64 image buffer.
• Direct, indirect and image-based lighting.
• Primitives: Spheres, boxes, rectangles and triangles.
• Wavefront OBJ import.
• Materials: Glass, metal, Lambert, Perlin noise.
• Textures: PNG (LDR) and Radiance (HDR).
• Normal mapping.
• Displacement mapping through sub-texel mesh tessellation.

Gallery

The Stanford dragon

A demonstration of the effect of displacement mapping on a surface using Bricks078 from ambientCG.com, licensed under CC0 1.0 Universal.