openFrameworks code for the Glockentar

ofGlockentar

#include "testApp.h"

const int width =320;
const int height = 240;
int interval [8];
bool trigger [8];
float 	counter [8];
int rectSpot [8];
float triggerCounter [8];
int inByte;
bool calibrateSquare =false;

//--------------------------------------------------------------
void testApp::setup(){
    for (int i=0;i<8;i++){
        interval[i]=5;
        trigger[i]=false;
        counter[i]=0;
        triggerCounter[i]=0;
    }
	
    ofSetWindowTitle("Glockentar");
    
    mainOutputSyphonServer.setName("Screen Output");
    mClient.setup();
    mClient.setApplicationName("Simple Server");
    mClient.setServerName("");
	    
    ofSetFrameRate(60); // if vertical sync is off, we can go a bit fast... this caps the framerate at 60fps.
    
    serial.setup(5, 9600);
}

//--------------------------------------------------------------
void testApp::update(){
    //read from arduino
    if ( serial.available() > 0 )
    {
	inByte=serial.readByte();
        counter[inByte]=0;
        interval[inByte]=5;
        trigger[inByte]=true;
        rectSpot[inByte]=210-30*inByte;
        inByte=0;
        serial.flush();
    }
    
    //loop through each guitar string
    for (int i=0;i<8;i++){
    
        //if string triggered, calculate logarithmic curve for rect end point to follow
        if (trigger[i]){
            counter[i] += interval[i];
            float x=ofNormalize(counter[i], 0, 320);
            x= (1-pow(1-x,10)) * 320;
    
            //execute curve ('triggerCounter' is used for length of the rect)
            triggerCounter[i]=x;
            if (triggerCounter[i]==320) {
                interval[i]=-interval[i];
            }
            if (triggerCounter[i]<0){
                trigger[i]=false;
            }
        }
    }
}

//--------------------------------------------------------------
void testApp::draw(){
    ofBackground(0);
    ofSetColor(255, 0, 0);
    ofFill();
    for (int i=0;i<8;i++){
    ofRect(0, rectSpot[i], triggerCounter[i], 30);
    }
    if (calibrateSquare){
        ofRect(0,0,320,240);
    }
    
	// Syphon Stuff
    mClient.draw(50, 50);    
    mainOutputSyphonServer.publishScreen(); 
}


//--------------------------------------------------------------
void testApp::keyPressed  (int key){
    if (key == 'c'){
        calibrateSquare=!calibrateSquare;
	}
    
    if (key == '1'){
        counter[0]=0;
        interval[0]=5;
        trigger[0]=true;
	rectSpot[0]=210;
        
	}
    if (key == '2'){
        counter[1]=0;
        interval[1]=5;
        trigger[1]=true;
	rectSpot[1]=180;
	}
    if (key == '3'){
        counter[2]=0;
        interval[2]=5;
        trigger[2]=true;
	rectSpot[2]=150;
	}
    if (key == '4'){
        counter[3]=0;
        interval[3]=5;
        trigger[3]=true;
	rectSpot[3]=120;
	}
    if (key == '5'){
        counter[4]=0;
        interval[4]=5;
        trigger[4]=true;
	rectSpot[4]=90;
	}
    if (key == '6'){
        counter[5]=0;
        interval[5]=5;
        trigger[5]=true;
	rectSpot[5]=60;
	}
    if (key == '7'){
        counter[6]=0;
        interval[6]=5;
        trigger[6]=true;
	rectSpot[6]=30;
	}
    if (key == '8'){
        counter[7]=0;
        interval[7]=5;
        trigger[7]=true;
	rectSpot[7]=0;
	}
}