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ofNoise is eating my CPU
@Appie wrote: Hey! For an installation I want to merge a couple of images interactively with the use of noise for distortion and masks.I got it working fine but whenever I use higher resolution noise...
View ArticleRecursive ripple gets stuck
@Kim_Kohler wrote: Hi, I have been trying to find my answer online but I can't find it. I bet the answer is supersimple, but I am pretty new to coding. =( I am trying to make a endless looping ripple...
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Noobie moving from Processing to oF. What is equivalent in oF for Pshape?
@Buoyancist wrote: Hello My first post and sorry for being such a noob with this. I've read some tutorials and been practicing C++ for a bit too but I'm having difficulties understanding the...
View ArticleOpenGL ES 2.0 points sprites shader
@Dorald wrote: Hi all .I'm trying to port "pointsAsTexturesExample" on iOS but I can't set the texture color . Vertex Shader: attribute vec4 position; uniform mat4 modelViewProjectionMatrix; attribute...
View ArticleAddon that has an other addon as dependency
@edapx wrote: I'm making an addon(let's called it A) that uses internally another addon(let's called it B). I would like that it would be possible to clone the repo containing A and get started to use...
View ArticleRandomly shuffle order of elements in a vecrot or array
@Cici wrote: Hello, I'm looking for a function that randomly shuffles the order of elements in a vector or array. I think I once used an oF function which did just that, but I don't remember which one...
View ArticleVideo feedback or trails
@Gallo wrote: hello, I am trying to smooth movements while playing a video to wipe artefacts on plane colors.My idea is to use a slight feedback. I had a look to the motion trail example in the...
View ArticleofCamera horizontal FOV?
@Ignis wrote: Hello there!I'm trying to learn about how cameras work by making a camera similar to ofEasyCam out of ofCamera. However, I'm having issues implementing separate vertical and horizontal...
View ArticleFind closest point to mouse from (huge, but static) vector of ofVec2f?
@ttyy wrote: I'm wondering what the best way would be to search a huge vector (say... 300,000+ elements)to find the closest ofVec2f to my mouse pos? I've tried pre-sorting the vector by distance to...
View ArticleofFBO and ofxCV issue
@petermc wrote: Hi OFers I'm trying to use the blur function in ofxCv so that I can draw circles then blur them. The only way I have found that works its:1) draw the circles to an fbo2) transfer the...
View ArticleWhat is the bitmap drawing mode in openFrameworks?
@icq4ever wrote: http://openframeworks.cc/documentation/graphics/ofGraphics/#show_ofSetDrawBitmapMode as I understand, it might be rotate/or not rotate some of them. what is the detail of these mode ?...
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Fbo feedback offset problem in OF 9.0/9.2
@Wenzy90 wrote: I make a basic feedback example in OF 8.4.It works fine.But when i write the same code in OF 9.0/9.2. The finally effect is different.Seem to be same offset. Here is my code: // in...
View ArticleHow to know when it's safe to draw in ::draw()?
@Gamadril wrote: I have that code to load an image and draw it on the screen. It should draw it once and keep it shown. Below is the simplified code. However the window stays grey. It works if I let...
View ArticleGesture updates too quickly
@Garrett_Burnett wrote: Hello, I'm looking for a simple solution for an if condition within my update function that updates too quickly. I'm using a myo armband to read gestures and I want to create...
View ArticleofxGui over multiple classes
@aart wrote: Hey guys, I'm having a lot of trouble with learning ofxGui. I have a Gui class of which i made one public instance in my ofApp.Also i have a class that i use to draw things with, of which...
View ArticleReboot and poweroff from inside an of application on raspi
@thomashollier wrote: I would like the app I am working on to trigger a reboot or a poweroff from inside my app running on a raspberry pi. Are there specific OF ways to do this, and if not, can anyone...
View ArticleHow to put a texture on a box?
@antineta wrote: Hi everyone, I have a question about textures. I'm a totally noob with OpenFrameworks and I don't know how to put a texture on a mesh. I first draw a box (with ofBoxPrimitive) and I...
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OF and language localisation strings (at runtime)?
@sdaau wrote: Hi all, I might have to work with multiple languages in an OF application, so I started looking into string translation for C++ (leaving UTF-8 and other issues aside, let's assume I can...
View ArticleInherit from of3DPrimitive
@edapx wrote: I've written a class that generates a mesh, and I would like to inherit from of3dPrimitive but I've got an error: "drawNormals(): mesh normals are disabled"I've done the following:...
View ArticleWhat is a quaternion?
@vj_dudley_smith wrote: Hi, I'm looking for any good information source / help / tutos on quaternion and 3D rotations; does someone can explain ? Sebastien Posts: 2 Participants: 2 Read full topic
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