Quantcast
Channel: beginners - openFrameworks
Browsing all 4929 articles
Browse latest View live

I'd like to load the shader code of "vertexshaderart.com" into oF and port it

@taketori7616 wrote: "Vertexshaderart.com"I would like to transplant shader code on this site to oF, Vertexshaderart has so many inputs. Attribute float vertexId; Uniform float vertexCount; Uniform...

View Article


ofxLibwebsockets client list

@Regi wrote: Hi, I was wondering if lofxibwebsockets provides a way on a server to fetch all connected client list out of the box? Or a number of clients with their IP's or something similar? Thanks!...

View Article


/OpenFramework/openFrameworks-gradle-experimental/libs/openFrameworks/utils/o...

@baskar.sv12 wrote: /home/baskaran/OpenFramework/openFrameworks-gradle-experimental/libs/openFrameworks/utils/ofConstants.h typeInfo file not found. Please help me resolving this error Posts: 1...

View Article

Public Virtual inheritance with Projucer

@alex1 wrote: Hi all Is there a simple way to set "public virtual" inheritance from the Projucer interface ? The whitespace is automatically deleted when I type it in the "Parent Classes" text editor...

View Article

Is there a way to draw and save fbo() smoothly?

@Louisa wrote: Hi all, I am running and modifying the examples from the main installation OF folder. The examples work and run great. When I introduce fbo in order to save the graphics to a folder...

View Article


I’d like to load the shader code of “vertexshaderart.com” into oF and port it

@taketori7616 wrote: I would like to port code on vertexshaderart.com to of, but how do I read the following vertex shader code on .cpp? attribute float vertexId; uniform float vertexCount; uniform...

View Article

createOpenFrameworksLibArmeabi-v7aDebugArm7StaticLibrary'

@baskar.sv12 wrote: I get the following error when i try to buildError:Execution failed for task ':openFrameworksProject:createOpenFrameworksLibArmeabi-v7aDebugArm7StaticLibrary'. Could not find...

View Article

Developing apps for Android on Mac

@mlewy wrote: I am on a mac and I have never done this before and I am having a hard time figure out how to start. I have a program that will run vidoes from key strokes that will run on a mac. I want...

View Article


Get sound with "uniform sampler 2D"

@taketori7616 wrote: When acquiring sound with uniform sampler 2D on vertex shader, what kind of code should be written on oF of ofApp.cpp? Posts: 1 Participants: 1 Read full topic

View Article


Read vertex shader into oF

@taketori7616 wrote: Please tell me how to write the variable to pass to ofApp.cpp when porting the following audio reactive vertex shader to oF. uniform sampler2D sound; I do not know how to describe...

View Article

Import vertex shader variables into ofApp.cpp

@taketori7616 wrote: I would like to port the following code to ofApp.cpp and read it.How should I describe it? attribute float vertexId; uniform float vertexCount; uniform vec2 resolution; uniform...

View Article

Reflexion and Refraction using raycasting

@Kaito_Kid wrote: I've been playing around with ofxRay, and I was wondering how I could use those to create reflexive surfaces (like mirrors) and surfaces with refraction (like glass). From what i've...

View Article

[ofxCv] RunningBackground - getForeground doesn't get what I expected

@kovicic wrote: Hi everyone, I am using RunningBackground to get foreground countours ofApp.h ofxCv::RunningBackground background ofImage thresholded; ofImage grabFg; ofxCvColorImage colorImg; I...

View Article


About ofCamera::setVFlip ()

@taketori7616 wrote: What is meaningful and how to use setVFlip() in ofCamera?I would like to know specific examples and I would like to see it. Posts: 2 Participants: 2 Read full topic

View Article

Texture format within FBO?

@Sam_McElhinney_io wrote: Hello All Is it possible to set the format of a texture within an ofFbo object? i.e a standard ofFbo treats all values of .rgba at each tex-coord as between 0 and 1; can this...

View Article


Fbo as mask texture for alpha mask shader

@fresla wrote: I have been trying to use the texture from an FBO as a mask source based on the alpha mask shader example (05_alphaMasking from the shaders examples folder). I want to apply a gradient...

View Article

Interactive wall examples?

@Louisa wrote: Hi all, I looked through the default OF installation examples and cannot find one with the ability to create an interactive wall. For example, if someone stands in front of a wall or...

View Article


Set point size of ofMesh smaller than 1.0? glPointSize(float)

@amoz wrote: Hi all, I found that we can use glPointSize(float) to set the point size of ofMesh, when using .drawVertices() But if the input is smaller than 1.0, it will just still draw the size of...

View Article

Conflict with vcpkg, c++ package manager

@DusX wrote: I recently found that my OF projects were behaving badly. I had a project that would run perfectly in debug, but crash at specific spots in release.The erorrs were near impossible to...

View Article

What algorithm does setImageType( OF_IMAGE_GRAYSCALE )use?

@cuinjune wrote: Hi, I want to know what algorithm is used to convert RGB to greyscale by using ofImage::setImageType(OF_IMAGE_GRAYSCALE). As I tested, the following RGB values turned into the...

View Article
Browsing all 4929 articles
Browse latest View live