Real-time ray tracing for planar scenes with nonlinear refractions and reflections

Based on the concept of virtual optical mapping objects, a new method for calculating in real-time virtual objects is proposed, while formulae for computation of virtual vertices of objects in planar scenes are derived. A real-time hardware-accelerated ray tracing algorithm is implemented in C++, dealing with non-linear reflections and refractions in a unified way. It is powerful for interactive applications such as real-time walkthroughs in buildings, animation and virtual reality.