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 …
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 …
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
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.
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 …