Ray tracing tutorials on flipcode.org

Jacco Bikker started a new tutorials series at flipcode.org.
Check it out:

• Raytracing Topics & Techniques Part 1: Introduction
• Raytracing Topics & Techniques Part 2: Phong, Mirrors and Shadows
• Raytracing Topics & Techniques Part 3: Refractions and Beer’s Law
• Raytracing Topics & Techniques Part 4: Spatial Subdivision