diff --git a/src/particle.hpp b/src/particle.hpp
new file mode 100644
index 0000000..f00f791
--- /dev/null
+++ b/src/particle.hpp
@@ -0,0 +1,117 @@
+//
+//  particle.hpp
+//
+//  Created by Sebastian Holzki on 16.04.19.
+//
+
+#pragma once
+#include <stdio.h>
+#include "ofMain.h"
+
+#include "objectPhysics.hpp"
+#include "visitor.hpp"
+#include "checkedInVisitor.hpp"
+
+enum typeOfView{
+    
+    LOGIC,
+    MAPPED
+    
+};
+
+
+enum particleMode{
+    
+    PARTICLE_MODE_DEFAULT,
+    PARTICLE_MODE_POLYMESH,
+    PARTICLE_MODE_RFID,
+    PARTICLE_MODE_TORNADO
+    
+};
+
+
+
+class Particle {
+    
+public:
+    
+    Particle();
+    Particle(ofVec2f _position);
+
+    ~Particle();
+    
+    void setup(ofVec2f position, float sceneHeight);
+    bool isTheSetupPositionOnTheGround(ofVec2f position, float sceneHeight);
+    
+    void update(float deltaT, particleMode currentModeParticle, vector<ObjectPhysics*>* objectPhysics, vector<CheckedInVisitor*>* checkedInVisitors, float sceneWidth, float sceneHeight);
+    
+    void draw(typeOfView activeTypeOfView);
+    
+    float getMaxLife();
+    float getAgeNorm();
+    float getAngle();
+    ofVec2f getPosition();
+    
+    void setRandomVelocity();
+    void setRandomVelocityOnlyGoingUp();
+
+    void updateColor();
+//    void setColor(int r, int g, int b);
+    
+    void attractParticle(vector<ObjectPhysics*>* objectPhysics, vector<CheckedInVisitor*>* checkedInVisitors);
+    
+    void updateAngleToCenter(float centerX, float centerY);
+    void updateDistanceToCenter(float centerX, float centerY, float sceneHeight);
+    
+    
+    bool particleIsOnGround;
+    bool particleJumpedOffGround;
+    bool particleJumpedOnGround; 
+    
+    void mapParticle(float sceneWidth, float sceneHeight);
+    bool borderCollission();
+    
+    typeOfView activeTypeOfView;
+    
+    particleMode currentMode;
+    particleMode lastMode;
+
+	float sceneWidth;
+	float sceneHeight; 
+    
+    
+private:
+    
+    ofVec2f velocity;
+    ofVec2f position;
+    ofVec2f mappedPosition;
+    
+    float factorOfSlowingDown;
+    float activeSlowingDown;
+    float factorOfSpeedingUp;
+    float activeSpeedingUp;
+    
+    //Mapping information 
+    float angleToCenter;
+    
+    float distanceToCenter;
+    float distanceToCenterLastFrame;
+    
+    float age;
+    float maxLife;
+    bool aging;
+    
+    float size;
+    float scaleFactorPerDeltaT;
+    
+    float mass;
+    
+    
+    ofColor color;
+    
+    
+    int stele;
+    //on which "stele" is the particle? --> will affect the movement (mapping), when it reaches borders of its "stele" !
+    //if border 1/2/3/4 (<,>,v,^), then map particle
+    
+};
diff --git a/src/particleSystem.cpp b/src/particleSystem.cpp
new file mode 100644
index 0000000..93862df
--- /dev/null
+++ b/src/particleSystem.cpp
@@ -0,0 +1,305 @@
+//
+//  particleSystem.cpp
+//  emptyExample
+//
+//  Created by Sebastian Holzki on 16.04.19.
+//
+
+#include "particleSystem.hpp"
+
+
+
+
+ParticleSystem::ParticleSystem(){
+    
+    
+    
+}
+
+// -----------------------------------
+
+ParticleSystem::~ParticleSystem(){
+    
+    
+    
+}
+
+// -----------------------------------
+
+
+
+void ParticleSystem::setup(){
+    
+    
+//    xmlParticleSystems.loadFile("xml/particleSystem.xml");
+ 
+//    this->particles.push_back(new Particle);
+    
+//    std::cout << "breakpoint particleSystem_1 erreicht, particleSystem_setup beendet" << std::endl;
+    
+}
+
+// -----------------------------------------------
+
+//*** PARTICLESYSTEM UPDATE *** PARTICLESYSTEM UPDATE *** PARTICLESYSTEM UPDATE *** PARTICLESYSTEM UPDATE ***
+
+
+void ParticleSystem::update(float deltaT, particleMode currentMode, vector<ObjectPhysics*>* objectPhysics, vector<CheckedInVisitor*>* checkedInVisitors, float sceneWidth, float sceneHeight){
+    
+    
+    //preparation
+    
+    double DELTA_T_IN_SECONDS = deltaT/1000;
+   
+    this->currentMode = currentMode;
+    
+// *** PARTICLESYSTEM SWITCH *** PARTICLESYSTEM SWITCH *** PARTICLESYSTEM SWITCH *** PARTICLESYSTEM SWITCH ***
+    
+
+    //If the particlesystem itself needs some logic, it will happen in the following switch!
+ 
+    
+    switch ( currentMode )
+    {
+            
+            
+        case PARTICLE_MODE_DEFAULT: {
+            
+            
+            //what does the particle system do if its mode is 'PARTICLE_MODE_DEFAULT'
+    
+            
+            // value a = xmlParticleSystems.getValue (" default:..." , 0 ) ;
+            // value b = xmlParticleSystems.getValue (" default:..." , 0 ) ;
+            // value c = xmlParticleSystems.getValue (" default:..." , 0 ) ;
+            // value d = xmlParticleSystems.getValue (" default:..." , 0 ) ;
+            // value e ....
+            // ...
+
+//            PARTICLESYSTEM_BIRTHRATE = xmlParticleSystems.getValue("default:birthrate", 0);
+            
+            
+            
+            PARTICLESYSTEM_BIRTHRATE = 1;   //testing default
+            
+            
+            
+            
+            
+
+//            std::cout << "birthrate from xml: " + ofToString(PARTICLESYSTEM_BIRTHRATE) << std::endl;
+            
+            break;
+        }
+            
+//------------------------
+            
+        case PARTICLE_MODE_POLYMESH: {
+            
+            //what does the particle system do if its mode is 'PARTICLE_MODE_POLYMESH'
+            
+            PARTICLESYSTEM_BIRTHRATE = 0;
+            updateLines(currentMode, objectPhysics);
+            
+            // PARTICLESYSTEM_BIRTHRATE = xmlParticleSystems.getValue("polymesh:birthrate", 0);
+            int PARTICLESYSTEM_BIRTHRATE_CHECKEDINVISITORS = 4;
+            
+            while (PRODUCED_PER_EMITTER < PARTICLESYSTEM_BIRTHRATE_CHECKEDINVISITORS){
+                
+                for(int i = 0; i < checkedInVisitors->size(); i++){
+                    
+                    if( checkedInVisitors->at(i)->getAge() <= 7){
+                        
+                        this->particles.push_back(new Particle);
+                        
+                        particles.back()->setup(checkedInVisitors->at(i)->getBottom(), sceneHeight);
+                        
+                        particles.back()->setRandomVelocityOnlyGoingUp();
+                        
+                    }
+                    
+                }
+                
+                PRODUCED_PER_EMITTER++;
+                
+            }
+            
+            PRODUCED_PER_EMITTER = 0;
+            
+        break;
+        }
+            
+//------------------------
+            
+        case PARTICLE_MODE_RFID: {
+            
+            
+            //what does the particle system do if its mode is 'PARTICLE_MODE_RFID'
+            
+            while (PRODUCED_PER_EMITTER < PARTICLESYSTEM_BIRTHRATE){
+                
+                for(int i = 0; i < checkedInVisitors->size(); i++){
+                    
+                    if( checkedInVisitors->at(i)->getAge() <= 5){
+                        
+                        this->particles.push_back(new Particle);
+                        
+                        particles.back()->setup(checkedInVisitors->at(i)->getBottom(), sceneHeight);
+                       
+                            particles.back()->setRandomVelocityOnlyGoingUp();
+                        
+                        }
+                        
+                    }
+                
+                PRODUCED_PER_EMITTER++;
+                
+                }
+            
+            PRODUCED_PER_EMITTER = 0;
+            
+            
+            
+        
+            
+        break;
+            
+        }
+            
+//------------------------
+            
+        default: {
+        
+            //following two lines only help for compiling right now
+            
+            int a = 0;
+            a++;
+           
+        }
+            
+    } //end of switch
+    
+// std::cout << "breakpoint particleSystem_2 erreicht, switch anweisung beendet" << std::endl;
+    
+    // *** BIRTH CONTROL *** BIRTH CONTROL *** BIRTH CONTROL ***
+    
+    //the system will emit a new particle for every emitter, as long as the PRODUCED_PER_EMITTER is smaller than the wanted BIRTHRATE
+    //PPE is growing until it reaches deltaT, so the while statement will be executed more often, if deltaT gets bigger
+    //as long as the birthcount grows and is lower then the birthrate (depending on the mode (XML) ) it will emit once for every emitter
+    //that is active (bool emitting = true)
+    
+   
+    
+    while (PRODUCED_PER_EMITTER < PARTICLESYSTEM_BIRTHRATE){
+        
+        for(int i = 0; i < objectPhysics->size(); i++){
+        
+//            if(( (*objectPhysics).at(i)->type == "emitter" ) && (objectPhysics->at(i)->emitting == true)){
+             if( objectPhysics->at(i)->emitting == true){
+                
+                this->particles.push_back(new Particle);
+
+                particles.back()->setup(objectPhysics->at(i)->getPosition(), sceneHeight);
+                 if(objectPhysics->at(i)->type == "emitterOnStele"){
+                     particles.back()->setRandomVelocityOnlyGoingUp();
+                 }else{
+                    particles.back()->setRandomVelocity();
+                 }
+                
+            }
+        }
+        
+        PRODUCED_PER_EMITTER++;
+    }
+    
+    PRODUCED_PER_EMITTER = 0;
+
+    
+// *** PARTICLE SYSTEM UPDATING ITS PARTICLES *** *** PARTICLE SYSTEM UPDATING ITS PARTICLES *** PARTICLE SYSTEM UPDATING ITS PARTICLES ***
+    
+//for "alle partikel im system" update in abhängigkeit vom übergebenen "mode"
+//The following lines will start working, when Particle::update has been reworked is active and particleMode implemented
+
+     for (int p = 0; p < particles.size(); p++){
+         
+         particles.at(p)->update(deltaT, currentMode, objectPhysics, checkedInVisitors, sceneWidth, sceneHeight);
+     
+       //Delete particles that reached maxAge
+         if(currentMode != PARTICLE_MODE_POLYMESH){
+             if (particles.at(p)->getAgeNorm() > 1) {
+                 delete particles.at(p);
+                 particles.erase(particles.begin() + p);
+             }
+         }
+             
+         
+         
+     }
+
+}
+
+// -----------------------------------------------
+
+
+void ParticleSystem::draw(typeOfView activeTypeOfView){
+    
+    for(int i = 0; i < particles.size(); i++){
+        
+        particles.at(i)->draw(activeTypeOfView);
+
+    }
+    
+    if( currentMode == PARTICLE_MODE_POLYMESH){
+        for(int i = 0; i < lines.size(); i++){
+        
+            ofDrawLine(lines.at(i)->point1, lines.at(i)->point2);
+        
+        }
+    }
+    
+}
+
+// -----------------------------------------------
+
+void ParticleSystem::updateLines(particleMode currentMode, vector<ObjectPhysics*>* objectPhysics){
+    
+    lines.clear();
+    
+    if(currentMode == PARTICLE_MODE_POLYMESH){
+
+        for(int i = 0; i < objectPhysics->size(); i++){
+    
+            if(( (*objectPhysics).at(i)->type == "attraktor" ) && (objectPhysics->at(i)->attracting == true)){
+       
+                for(int p = 0; p < particles.size(); p++){
+                    
+                    if(particles.at(p)->particleIsOnGround==true){
+                   
+                    ofVec2f distance = particles.at(p)->getPosition() - objectPhysics->at(i)->getPosition();
+           
+                    if(distance.length() < 150){
+                
+                        lines.push_back(new Line(particles.at(p)->getPosition(), objectPhysics->at(i)->getPosition()));
+                        
+                          for(int p2 = 0; p2 < particles.size(); p2++){
+
+                            ofVec2f distance = particles.at(p)->getPosition() - particles.at(p2)->getPosition();
+                            
+                            if(distance.length() < 50){
+                                
+                                lines.push_back(new Line(particles.at(p)->getPosition(), particles.at(p2)->getPosition()));
+                                
+                            }
+                              
+                              p2 += 4;      //lower value -> worse performance & nicer effect (more connections between the particles)
+                        }
+                    }
+                    
+//                  p += 2 ;   //if your system shows performance issues you might need to activate this line! (downside: effect seems to jump)
+                   
+                    }
+                } //end of for schleife
+            }
+        }
+    }
+}
diff --git a/src/particleSystem.hpp b/src/particleSystem.hpp
new file mode 100644
index 0000000..2aac9c9
--- /dev/null
+++ b/src/particleSystem.hpp
@@ -0,0 +1,85 @@
+//
+//  particleSystem.hpp
+//  emptyExample
+//
+//  Created by Sebastian Holzki on 16.04.19.
+//
+#pragma once
+
+
+#include <stdio.h>
+
+#include "ofxXmlSettings.h"
+#include "particle.hpp"
+
+#include "objectPhysics.hpp"
+#include "checkedInVisitor.hpp"
+
+//class Line will be used to draw the polymesh
+
+class Line {
+    
+public:
+    
+    Line();
+    Line(ofPoint p1, ofPoint p2){
+        point1 = p1;
+        point2= p2;
+    };
+    ~Line();
+    
+    ofPoint point1;
+    ofPoint point2;
+    
+};
+
+
+
+class ParticleSystem {
+    
+  
+    
+public:
+    
+    ParticleSystem();
+    ~ParticleSystem();
+    
+    
+  void setup();
+  void update(float deltaT, particleMode mode, vector<ObjectPhysics*>* objectPhysics, vector<CheckedInVisitor*>* checkedInVisitors, float sceneWidth, float sceneHeight);
+  void draw(typeOfView activeTypeOfView);
+    
+    
+    void updateLines(particleMode currentMode, vector<ObjectPhysics*>* objectPhysics);
+    
+
+    particleMode currentMode;
+    
+    ofxXmlSettings xmlParticleSystems;
+    ofxXmlSettings xmlParticles;        // ??? wo soll das hin ???
+    
+   vector<Particle*> particles;
+    
+    vector<Line*> lines;
+    
+    
+    
+private:
+    
+    
+    int playerType;
+    //Global for particleSystems-birthrate -> can be used to emit faster/slower
+    
+    int PARTICLESYSTEM_BIRTHRATE;
+    int PRODUCED_PER_EMITTER;
+    
+    
+    
+   
+    
+};
+
+
+
+
+
diff --git a/src/visitor.cpp b/src/visitor.cpp
new file mode 100644
index 0000000..0e6f409
--- /dev/null
+++ b/src/visitor.cpp
@@ -0,0 +1,171 @@
+//
+//  visitor.cpp
+//  particle_combined
+//
+//  Created by Sebastian Holzki on 11.06.19.
+//
+
+#include "visitor.hpp"
+
+
+
+Visitor::Visitor()
+{
+    
+//    ofRunApp.VISITOR_COUNT++;
+    
+    std::cout << "Konstruktor visitor" << std::endl; 
+    
+    
+}
+
+// -----------------------------------
+
+Visitor::~Visitor()
+{
+    
+    
+}
+
+// -----------------------------------
+
+
+
+void Visitor::setup(){
+    
+    
+    
+    
+    
+}
+
+// -----------------------------------------------
+
+
+void Visitor::setup(float _x, float _y){
+    
+    position.x = _x;
+    position.y = _y;
+    
+}
+
+// -----------------------------------------------
+
+
+void Visitor::update(){
+    
+    
+    
+    
+}
+
+// -----------------------------------------------
+
+
+void Visitor::draw(){
+    
+    
+    
+    
+}
+    
+ // -----------------------------------------------
+    
+    
+    
+    ofVec2f Visitor::getPosition(){
+        
+        return position;
+        
+    }
+
+// -----------------------------------------------
+    
+    
+    float Visitor::getX(){
+        
+        return position.x;
+        
+    }
+    
+    
+    // -----------------------------------------------
+   
+    float Visitor::getY(){
+        
+        return position.y;
+        
+    }
+    
+     // -----------------------------------------------
+    
+    
+void Visitor::setPosition(float _x, float _y){
+    
+    position.x = _x;
+    position.y = _y;
+    
+    
+}
+
+
+// -----------------------------------------------
+
+
+void Visitor::setPosition(ofVec2f _position){
+    
+    position = _position;
+    
+}
+    
+// -----------------------------------------------
+
+
+void Visitor::setX(float _x){
+    
+    position.x = _x;
+    
+}
+
+
+
+// -----------------------------------------------
+
+
+void Visitor::setY(float _y){
+    
+    position.y = _y;
+    
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/src/visitor.hpp b/src/visitor.hpp
new file mode 100644
index 0000000..941e6ce
--- /dev/null
+++ b/src/visitor.hpp
@@ -0,0 +1,48 @@
+//
+//  visitor.hpp
+//  particle_combined
+//
+//  Created by Sebastian Holzki on 11.06.19.
+//
+
+
+#pragma once
+#include <stdio.h>
+#include "ofMain.h"
+
+
+
+
+class Visitor {
+    
+    
+public:
+    
+    Visitor();
+    ~Visitor();
+    
+    void setup();
+    void setup(float _x, float _y);
+    void update();
+    void draw();
+    
+    
+    //GETTERS
+    ofVec2f getPosition();
+    float getX();
+    float getY();
+    
+    //SETTERS
+    void setPosition(float x, float y);
+    void setPosition(ofVec2f position);
+    void setX(float _x);
+    void setY(float _y);
+    
+    
+private:
+    
+    ofVec2f position;
+    
+    
+    
+};