If you thought animating human motion for a video game or feature movie was hard, try rainbows.
In the search for better animation techniques for video games and movies, computer graphics researchers at the University of San Diego have gained insight into the physics of rainbows. Their discovery could lead to more realistic depictions of rare types of rainbows, such as twinned rainbows, and other natural phenomena.
The conditions for the appearance of a rainbow are well understood: light passing through water droplets in the air causes the light to reflect and refract within the water. The reflecting light fans … Read more