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Questions tagged [c4]

The C4 Framework for iOS is a creative-coding framework to create "works of art."

The C4 Framework (a.k.a Cocoa For Artists), promotes software literacy in design, research and the arts. It is an attempt to make iOS programming, the Cocoa API, and the programming language Objective-C more accessible. It's focus is on the artistic side of application development and the production of new kinds of computer-aided art practice.

For more information see the C4 Project About Page.

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Zoom in animation - c4framework

I am playing with the deferent animations using the alpha C4 framework. I am trying to shape grow from the midel of the canvas till it covers it completely....Is there any animation that can create that zoom effect?
M.Ermecheo
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app runs fine on iphone 5 but apparently not on iphone 5S

I just submitted my app to the app store last week and it got rejected yesterday. The reviewers apparently test on iphone 5S with iOS 7.0.4. They say the app does not load past the intro screen. I have tested the app on iphone 5 and ipod touch 5th…
suMi
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multiple delegates give warning

This is not a serious bug I'm just wondering because XCode is throwing me a warning when I'm trying to do 2 delegates from one view. my view interface declaration looks like this @interface C4WorkSpace : C4CanvasController
suMi
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iPhone image upload to URL; upload_tmp_dir empty

I know many people have been asking similar questions here but somehow I still don't get it working. To make it simpler I'm just trying to store a previously loaded UIImage in objectiveC (using C4 framework) like this: -(void)setup { UIImage…
suMi
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'CALayer position contains NaN: [nan nan]' when working with Bouncing Ball Array in C4

So I'm trying to just recreate a bouncing ball app using xcode and C4. What I'm trying to do right now is re-create some of the examples in Dan Shiffmans Nature of Code book in C4. So far I've managed to create my own class of "Mover" objects that…
BardiaD
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C4 wondering about the drawing order

I've been creating a couple of shapes, labels,... on top of each other. sometimes they are displayed as expected (whatever is added later will appear on top) but sometimes it doesn't.. I've been adding the exact same code to 2 different subviews and…
suMi
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Not able to install cmd version of c4 from github

I want to generate sha512 key for a file, When I looked through internet I found that c4 can help me to do that thing and when I open it's github repository I am not ablke to found how can I run the cmd/c4 in my ubuntu terminal. I have installed the…
Vinay Kumar
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main.go not able to find the package

Actually I want to use c4 to generate the c4 id for the video files, So I found the below repo which is developed to do this thing, So I clone this repo https://github.com/Avalanche-io/c4/tree/v0.7.0 Now as suggested in this answer from stack…
Vinay Kumar
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