ArrayList<balloonLeft> balloonsLeft = new ArrayList<balloonLeft>();
ArrayList<balloonRight> balloonsRight = new ArrayList<balloonRight>();

void setup() {
  size(1280,720);
  background(255);

  initBalloonsLeft(5);
  initBalloonsRight(5);
}

void draw() {
  //background(255);
  
 for (int i=0; i<balloonsLeft.size(); i++) {
       balloonsLeft.get(i).update();
 }
  for (int i=0; i<balloonsRight.size(); i++) {
       balloonsRight.get(i).update();
 }
 
}
  

void initBalloonsLeft(int num){
  for(int i = 0; i<num; i++){
    balloonsLeft.add(new balloonLeft(50, height/2));
  }
}
void initBalloonsRight(int num){
  for(int i = 0; i<num; i++){
    balloonsRight.add(new balloonRight(width-50, height/2));
  }
}


void keyPressed() {
  save("wellenaufzeichnung3.jpg");
}



class balloonLeft {
  //Attributes
  float x;
  float y;
  float size;
  float speed;
  color c;
  
  //Constructor
  balloonLeft(float tempX, float tempY) {
    x = tempX;
    y = tempY;
    size = random(8,20);
    speed = 10;
    c = color(random(225),0,random(255),15);
  }

//Functions
  void update() {
    drawSelf();
     windRandom(7);
     checkBorder ();
  }
  
  void drawSelf() {
    fill(c);
    rectMode (CENTER);
    rect(x,y,size,size);
  }

 
  


    void windRandom ( float strength) {
    x+= 2*noise(-strength,strength);
    y+= 2*random(-strength,strength);
  
    }
  
    void checkBorder () {
       if (x>width) {

         x=0;
      }

}
}


class balloonRight {
  //Attributes
  float x;
  float y;
  float size;
  float speed;
  color c;
  
  //Constructor
  balloonRight(float tempX, float tempY) {
    x = tempX;
    y = tempY;
    size = random(8,20);
    speed = 3;
    c = color(0,random(255),random(255),15);
  }
  
  //Functions
    void update() { 
      drawSelf();
     windRandom(7);
     checkBorder ();
  }
  
  void drawSelf() {
    fill(c);
    stroke(0,50);
    rectMode (CENTER);
    rect(x,y,size,size);
  }

 
  


    void windRandom ( float strength) {
    x-= 2*noise(-strength,strength);
    y-= 2*random(-strength,strength);
  
    }
  
 void checkBorder () {
   if (x<0) {
     x=width;
     size+=10;
    }
 }}