I'm considering learning Objective-C and Cocoa, mostly in order to use Apple's tools and GUIs. However, I'd also like to do some graphics programming; OpenFrameworks and Cinder are two libraries ...

I've started to use XCode and it seems to work, well, most of it. The annoying thing is it compiles all the source files, even those that didn't change, each and every time. I'm getting the grips...

I need to interpolate or change gradually a sequence of colors, so it goes from colorA to colorB to colorC to colorD and them back to colorA, this need to be based on time elapsed in milliseconds, ...

I am coming from Xcode, trying to compile a project in Visual Studio 2010, and I get the following errors: 2>ofxCLeye.obj : error LNK2019: unresolved external symbol "struct _GUID __cdecl CLEye...

I have been reading a lot about openFrameworks and Processing, But still can't make the distinction other than one is in C++ and the other in Java. Can someone tell me which is for what exactly?

I am using OF in my project and I want to use some add-ons but I have to add .cpp files to my project in order to compile them. I don't like it. Is there any option so I could specify a folder to s...

I want to develop a program which uses the webcam to track finger tips. When tracked, the finger tip will be like an index and I will be able to get its positions even if it is moved around. If any...

My background is php so entering the world of low-level stuff like char is bytes, which are bits, which is binary values, etc is taking some time to get the hang of. What I am trying to do here is ...

I am trying to do a Z-Index reordering of videoObjects stored in a vector. The plan is to identify the videoObject which is going to be put on the first position of the vector, erase it and then in...

I'm rendering into an OpenGL offscreen framebuffer object and like to save it as an image. Note that the FBO is larger than the display size. I can render into the offscreen buffer and use it as te...