Video Compositing on the iPhone: OpenGL with alpha mask on top of a full motion video
July 7, 2010 7 CommentsDuring the iPhone game project I have written about before we had to implement a highly dynamic 3D scene in great detail here at itemis. From a third-person perspective, the player looks at a semi-transparent ball rolling ...
Psychologically Tricked: Perceived Speed in an iPhone Game
June 3, 2010 4 CommentsIn a recent iPhone game project I was involved with at itemis the player had to gain speed by tapping on the touch screen. Several game elements conveyed the impression of acceleration to motivate the player achieving ...
Preview your photoshop design directly on the iPhone/iPad
May 7, 2010 No CommentsToo many screen designers are not yet familiar with mobile touch screens. There, you have to look carefully for buttons large enough to hit with your thumb, fonts that are readable on the go and colors that ...
The iPad sucks – my first impressions
April 7, 2010 No CommentsNow that I got your attention, read on and understand what exactly I dislike about the current version of the iPad. In short: its weight, the curved flip side while typing, the reflecting display and the absence ...
The iPhone at EclipseCon 2010
March 31, 2010 2 CommentsThe EclipseCon 2010 was a huge success not only for our flagship project Xtext. As mentioned by Sven and Jan before, we gratefully received the Eclipse Community Award and enthusiastically delivered more than 6 talks around model-driven software ...
Retrospection of the iPhone Developer Conference 2009
December 7, 2009 No CommentsThe German iPhone Developer Conference in Cologne (01-02 December) was an exciting event that started with a very informative keynote by Maximilian Reiß who elaborated the tide of iPhone events of the last years. From there, nearly ...
iPhonical at the second German iPhone Developer Conference in December 2009
October 25, 2009 1 CommentThis December will start with two exciting days when the German iPhone Developer Conference takes place in Cologne. With 28 talks about business and engineering on two tracks the second iPhoneDevCon celebrates the second anniversary of the ...
Burlington Ducky iPhone App
October 2, 2009 10 CommentsThe people at itemis provide a vast range of skills beyond model-driven engineering. For me, this versatility yielded an iPhone project in cooperation with Weischer Mobile and phi mobile media where a funny marketing app had to ...
obj2opengl: convert obj 3D models to arrays compatible with iPhone OpenGL ES
August 27, 2009 55 CommentsWhenever you want to use 3D objects modeled with a software such as Blender, 3ds Max or Cinema 4D in your iPhone Application or any other OpenGL project, you somehow have to make the designed data accessible ...
Heiko Behrens
works as a software architect and consultant for itemis AG in Kiel (Germany).
His current focus is on domain-specific languages (DSLs) where he is
involved with the design and implementation of Xtext.
He is a commiter for the Eclipse Modeling Project and openArchitectureWare.
