---
title: vi.lilac.chaser()
subtitle: "Visual Illusions: Lilac Chaser"
date: '2017-04-04'
slug: vi-lilac.chaser
---

Stare at the center cross for a few (say 30) seconds to experience the
phenomena of the illusion.

Just try it out.
 
```{r demo-a, cache=TRUE, interval=.05}
library(animation)
ani.options(interval = 0.05, nmax = 20)
par(pty = 's')
vi.lilac.chaser()
```
