Category Archives: Software

openFrameworks and image masks

When searching for ways to mask images in openFrameworks (iOS/OSX), I found that the most well-ranked solutions on search results actually did not work. Then I found this one, that worked: https://forum.openframeworks.cc/t/setalphamask-example-failing/24193

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iOS Core Motion

More info on Core Motion: https://developer.apple.com/documentation/coremotion

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openFrameworks and ofxAccelerometer

Recent versions of iOS don’t seem to support ofxAccelerometer. The solution is to use ofxCoreMotion: https://forum.openframeworks.cc/t/ofxaccelerometer-examples-do-not-compile-in-xcode-9/30380

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openFrameworks 0.10 – enabling multitouch

From openFrameworks 0.10 for iOS, you need to add this to main.mm to enable multitouch: settings.enableMultiTouch = true;

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openFrameworks iOS audioInput example, microphone

In openFrameworks iOS 0.9.8, the audioInput example doesn’t seem to run. I found this solution: “The audioinput example in the 9.0 release compiles and runs, and can play sound, but doesn’t receive any audio input. I removed the ofSoundPlayer, and now the … Continue reading

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ofPixels, camera usage

The technique for reading data from images has changed in openFrameworks, and the included examples have not yet caught up with this (as of v.0.9.8). With the help of Alex van Giersbergen and Sourya Sen, we’ve prepared an example to … Continue reading

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openFrameworks exercises

How to use the downloaded openFrameworks files Using ProjectGenerator: click Create/Update click Import and point to the exercise folder click Update

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Intro to openFrameworks

The Mac environment and Xcode will mainly be used for the course, although other environments and IDEs can be used. The Programming Interactivity book (Noble 2012), adopted for the course, was used as the main reference for this post.

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Fix for Xcode 7 and OF 0.8.4 (opensslconf.h not found)

Useful for running older projects with newer Xcode: https://forum.openframeworks.cc/t/fix-for-xcode-7-and-of-0-8-4-opensslconf-h-not-found/20800

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Using addons in openFrameworks (such as ofxBox2d)

Using addons in openFrameworks might create problems, compiler errors, files not found etc. Therefore, I recommend that you use projectGenerator, an app that comes within the openFrameworks folder (inside the “projectGenerator” folder). More info: http://www.openframeworks.cc/tutorials/introduction/002_projectGenerator.html (note: in ofxBox2d, testApp.h, there is … Continue reading

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