draw1

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup(){
    ofBackground(255,255,255);
}

//--------------------------------------------------------------
void ofApp::update(){
    //MyString = "Number of lines: " + lines.size().str();
}

//--------------------------------------------------------------
void ofApp::draw(){
    ofEnableAlphaBlending();
    ofSetColor(30,30,30,30);

    for (auto line : lines) {
        ofDrawLine(line.a, line.b);
    }
    ofSetColor(0);
    //ofDrawBitmapString(MyString, 20, 20);
}

//--------------------------------------------------------------
void ofApp::keyPressed(int key){

}

//--------------------------------------------------------------
void ofApp::keyReleased(int key){

}

//--------------------------------------------------------------
void ofApp::mouseMoved(int x, int y ){

}

//--------------------------------------------------------------
void ofApp::mouseDragged(int x, int y, int button){
    for (auto point : drawnPoints){
        ofPoint mouse;
        mouse.set(x,y);
        float dist = (mouse - point).length();
        if (dist < 50){
            Line lineTemp;
            lineTemp.a = mouse;
            lineTemp.b = point;
            lines.push_back(lineTemp);
        }
    }
    drawnPoints.push_back(ofPoint(x,y));
}

//--------------------------------------------------------------
void ofApp::mousePressed(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mouseReleased(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mouseEntered(int x, int y){

}

//--------------------------------------------------------------
void ofApp::mouseExited(int x, int y){

}

//--------------------------------------------------------------
void ofApp::windowResized(int w, int h){

}

//--------------------------------------------------------------
void ofApp::gotMessage(ofMessage msg){

}

//--------------------------------------------------------------
void ofApp::dragEvent(ofDragInfo dragInfo){

}