ofxStepSequencer

openFrameworks addon as a basic (bang) step-sequencer manager. Includes tap tempo, internal clock and external MIDI sync with pattern presets manager. Mainly based on ofxSequencer from @genekogan, ofxMidi from @danomatika and ofxDawMetro from @castovoid among others.

Screencast

Screenshots

Usage

Create the example project or your own with OF ProjectGenerator as usual.

Recommended to look at the example.

ofApp.h:

#include "ofxStepSequencer.h"

ofxStepSequencer SEQ;

//local notes_params to receive bang/bools trigged from sequencer
ofParameter<bool> notes_params[NUM_SEQ_NOTES];

//callback listener
void Changed_SEQ_NOTES(ofAbstractParameter& e);

//--

ofApp.cpp:

//setup()
SEQ.setup();

//callbacks
ofAddListener(SEQ.TARGET_NOTES_paramsGroup.parameterChangedE(), this, &ofApp::Changed_SEQ_NOTES);

//-

//update()
SEQ.update();

//-

//draw()
SEQ.draw();
SEQ.draw_CLOCK();

//-

//callback receiver from sequencer
void ofApp::Changed_SEQ_NOTES(ofAbstractParameter& e)
{
	...
}

Features

Internal beat-clock and external midi clock sync. (check ofxBeatClock info)
Preset manager with 8 patterns presets.
Helper tool to clone selected preset to the other next presets of your kit.
Use ctrl + mouse-click to clone preset to the clicked preset position.
Helper tools to randomize patterns and clone one bar to all other 3.
API methods to toggle hide/show gui and some others. Please check into the addon to know more.

Requeriments

https://github.com/moebiussurfing/ofxBeatClock
https://github.com/danomatika/ofxMidi
https://github.com/castovoid/ofxDawMetro
https://github.com/2bbb/ofxJsonUtils
https://github.com/moebiussurfing/ofxGuiExtended2 (fork)

Included on the example but not mandatory:
Optional to handle window settings between sessions:
https://github.com/moebiussurfing/ofxWindowApp

Tested systems

OF 0.11
Visual Studio 2017
macOS / HighSierra

About

An addon by MoebiusSurfing, 2020. Kind of beta state but I decided to make it public. Please post issues or problems to solve that I'll reply.
Thanks to developers of all the other addons used, of course.
Specially:
@genekogan for https://github.com/genekogan/ofxSequencer
@npisanti for https://github.com/npisanti/ofxGuiPresetSelector
@castovoid for https://github.com/castovoid/ofxDawMetro
@frauzufall for https://github.com/frauzufall/ofxGuiExtended
@transat for GUI theme

TODO:

Repair BUG original from ofxSequencer where sometimes mouse-clicks are ignored. Any help is welcome!
Allow resize pattern step sizes and note amount. (Now is fixed to 12 notes and 16 beats)
Improve ofxSequencer integration. I used a lot of workarounds to avoid all my big-skills-limitations. Any help is welcome!
Add not only bang/bool types like int or float as the original ofxSequencer can handle. Any help is welcome!
Some OSC in/out control.
Repair little BUG that create some rare xml files into presets folder.

PLEASE FEEL FREE TO ADD MODIFICATIONS OR FEATURES AND TO SEND ME ISSUES/PULL REQUESTS. THANKS!

moebiussurfing/ofxStepSequencer