Getting int32 into shader
GL_LUMINANCE doesn't exist anymore in opengl 3+ GL_R32I for int32_t or GL_R32UI for uint32_t should work
View ArticleXcode 7 and .hpp files
Hi petermc, I'm in the same situation: Xcode got upgraded to v7, applied fix, and everything worked as expected again, but C++ header files now use the .hpp extension. Using .hpp instead of .h doesn't...
View ArticleAdding Syphon to ofxFlowtools demo
HiTrying to follow Nick Hardemans walkthru in adding Syphon to an empty project.http://nickhardeman.com/694/how-to-add-ofxsyphon-to-openframeworks/ I can mostly follow along, a few discrepancies...
View ArticleHelp: Considerations before upgrading to Mac OS 10.11 (El Capitan)
Hi, I'm planning to upgrade my Mac OS to 10.11 (currently using Yosemite), but before doing it I'd like to know if anyone already tried it. Anything to take into account? I'm currently working in 2...
View ArticleGetting int32 into shader
ah, ok. that explains why it would not work with GL_LUMINANCE. using GL_R32UI gives me: [ error ] ofGLUtils: ofGetGLFormatFromInternal(): unknown internal format 33334, returning GL_RGBA [ error ]...
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Adding Syphon to ofxFlowtools demo
ok have made progress following a different and better tutorial for novices like myself Stumbling on something very basic however. When I try compiling in xcode keep getting a missing file error...
View Article[Windows] ofToDataPath() doesn't return a relative path
Hi,Is it a bug, or do I misunderstand something? void ofApp::setup() { ofLogNotice() << ofToDataPath("test"); } Output: [notice ]...
View ArticleAdding Syphon to ofxFlowtools demo
ok problem solved. When I was first adding ofxSyphon to my addons, 'Copy as group' was not selected by default.
View ArticleCross platform addons
Hey @obviousjim, was there any work toward ofx3DCamera I could take a look at? I'm starting to work on something for KinectV2 that packages up things like live vs playback, recording, directly...
View ArticleGetting int32 into shader
i haven't tried to use integer textures in openGL but from what i find googling a bit it seems you don't need to scale the values. how are you loading the data? also i've fixed the problem with the...
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Getting int32 into shader
nice. .allocating the buffer and texture like this: // instance variables ofBufferObject pixelBufferDist; ofTexture texDist; // later, setup pixelBufferDist.allocate();...
View ArticleCreating bounding box of an ofxAssimpModel
I've never dealt with ofxAssimpModelLoader before, just getting into it. I have my model loading, lighted, and displayed, but now I want to get some more information from it. What might be an...
View ArticleColor informations of multiple objects
Hej,i have a question about the best approach about one of my projects.I need to get the color information of 900 physical squares that changing their color.The little squares are arranged in a bigger...
View ArticleUsing 'for' to loop a loop
I am finally starting to get a hang of this stuff but I am stuck on this one. I have a series of statements that create a array of balls that grow and shrink depending upon the mouse position. See...
View ArticleRealtime webcam particles
Hi. Saw this demo on vimeo and was wondering if anyone knows of a particle class or add-on that will create the same effect
View ArticleUsing 'for' to loop a loop
if you post the full code i might be able to help.maybe it's as simple as not having defined your arrays like ax1 with enough places. int ax1[200];
View ArticleUsing 'for' to loop a loop
#include "ofApp.h" int curserx = 0; int cursery = 0; //Shapes a int ax1[500], ax2[500], ay1[500], ay2[500],ax0[500],ay0[500],ax3[500],ay3[500]; int a; int b;...
View ArticleUsing 'for' to loop a loop
So, what you are trying to achieve is called nested loops. Although you could start b with 5 and end before 610, I think it's easier and simpler to understand if you do something else. For example: //...
View ArticleUsing 'for' to loop a loop
Also, you just need to use arrays/vectors if you are playing around with them in update(). Otherwise, you just need to call the drawing function you want with a local variable.
View ArticleHelp: Considerations before upgrading to Mac OS 10.11 (El Capitan)
I've done the upgrade and I've tried a couple of applications that i've done, they are still working. But I haven't tested any 3d project until now, i will do it soon
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