Portrait Pixel Flow

February 2nd, 2010 art,experiment 4 comments

Been doing some testing to find the flow of pixels in portraits. Above are a few attempts to find vectors in pixels based on surrounding pixels. In video this is achieved by simple comparing current frames to previous frames then calculating the velocity of the different pixels. Here I want to find the general flow …

Keytweeter Keys

November 22nd, 2009 experiment,research 2 comments

My friend Kyle has a built an app the tweets every 140 charters he types twitter.com/keytweeter. I thought this was interesting so I built an app to pull his twitter down and visualize the most popular key. Unfortunately twitter only allows you to go 3200 tweets back via paging. So the picture about is Kyle’s …

First Grass Renders

September 28th, 2009 art,experiment 1 comment

Here are some first grass attempts for a piece I’m working on. There are 4,096 blades of grass with about 15 circular segments per blade. The are built with VBO’s running at about 50fps. I would love to get a few more FPS with some optimization. watch HD here

Diggin 3D Worms

September 27th, 2009 art,experiment 1 comment

Working on some grass for a piece I’m working on. This is my first time generating 3d geometry for a worm/grass. Oh man this is fun.

Normals

September 22nd, 2009 experiment,research 1 comment

Finally got normals working for the height map. Brad helped me a ton with the math, thanks brad :). After making sure I had the right points its was pretty simple. Here is an example to calculate normals for a grid in OpenFrameworks. Obviously this can be applied to any other language. The image above …