Getting Started with React VR

Rendering hardware

To avoid VR sickness, you need a fast frame rate. What is frame rate? This is how fast your computer can generate the images on the screen. A lot depends on the complexity of the scene, of course; showing a cube and a box is a lot faster than showing the city of Los Angeles with all of its buildings.

You can control this, of course, when you design the VR world you will implement.

Each image has to be generated, in real time. Most VR headsets try for 90 Hertz. Hertz refers to the frequency - in cycles per second, or in this case, frames per second.

The difficulty of VR is that nothing can slow down this frame rate. If something has to load, or a web page fetched, if you slow down the frame rate slightly, people get woozy. ...