ArrayList fische;
ArrayList markers;

float msize = 160;
float msize2 = 160;
float r = 100; // häufigkeit der teilung

int strokeFisch = 10;
int strokeMarker = 5;

int tot = 0;

void setup() {
  background(40);
  size(1200,400);
  fische = new ArrayList();
  fische.add(new Fisch(0,height/2,50,100,50,2.5,false));
  markers = new ArrayList();
  stroke(255,100);
  frameRate(25);
  smooth();
}

void restart() {
  markers.clear();
  fische.clear();
  tot = 0;
  fische.add(new Fisch(0,height/2,50,100,50,2.5,false));
}

// #### MARKER KLASSE +++
class Marker {
  float t_mx;
  float t_my;
  float t_st;
  int t_type;
  boolean t_moment;
  Marker(float mx, float my, float st, int type) {
    t_mx = mx;
    t_my = my;
    t_st = st;
    t_type = type;
  }
  void drawMarker() {
    if(this.t_type == 1) { 
      noStroke();
      if(this.t_st<0.8) { 
        fill(0,250,250,(1-this.t_st)*255); 
        noStroke();
        this.t_st = this.t_st + 0.05;
        ellipse(this.t_mx,this.t_my,msize*this.t_st,msize*this.t_st);
      }
    } 
    if(this.t_type == 0) {
      noStroke();
      if(this.t_st<1) { 
        stroke(200,200,200,(1-this.t_st)/10*255);
        noFill();
        this.t_st = this.t_st + 0.05;
        this.t_my = this.t_my - 5;
        strokeWeight(strokeMarker);
        ellipse(this.t_mx,this.t_my,msize2*this.t_st,msize2*this.t_st);
      } 
    }
    noFill();
  }
} 


class Fisch {
  float t_startx;
  float t_starty;
  float t_endx;
  float t_endy;
  float t_l; 
  float t_y;
  float t_speed;
  boolean t_moment;
  Fisch(float startx, float starty, float endx, float endy, float l, float speed, boolean moment) {
    t_startx = startx;
    t_starty = starty;
    t_endx = endx;
    t_endy = endy;
    t_l = l;
    t_speed = speed;
    t_moment = false;
  }
  void drawFisch() {
    stroke(255,100);
    strokeWeight(strokeFisch);
    if(this.t_l > 1) {
      this.t_endx = this.t_startx + this.t_l;
      if(this.t_y > 3 || this.t_y < -3 || this.t_starty < 10 || this.t_starty > height-10) {
        if(this.t_y > 3 || this.t_starty > height-10) { 
          this.t_y = this.t_y - 1; 
        }
        if(this.t_y < -3 || this.t_starty < 10) { 
          this.t_y = this.t_y + 1; 
        }
      } 
      else {
        this.t_y = this.t_y + random(-1,1); 
      }
      this.t_endy = this.t_starty + this.t_y;

      line(this.t_startx,this.t_starty,this.t_endx,this.t_endy); 
      this.t_startx = this.t_startx + this.t_speed;
      this.t_starty = this.t_endy;
      this.t_l = this.t_l-0.2;
      /*  TEILUNG */
      int manchmal = round(random(0,r));
      if(manchmal == 2) {
        fische.add(new Fisch(this.t_startx,this.t_starty,this.t_endx,this.t_endy,50,random(1,4),false)); 
        markers.add(new Marker(this.t_endx,this.t_endy,0.1,1));

      }
      if(this.t_startx > width+100) { 
        restart(); 
      }
    } 
    else {
      if(!this.t_moment) { 
        markers.add(new Marker(this.t_endx,this.t_endy,0.1,0)); 
        tot++; 
        this.t_moment = true; 
      }
    }
  }

}





void draw() {
  background(40);
  for(int j = 0; j<=fische.size()-1; j++) {
    Fisch fisch = (Fisch) fische.get(j);
    fisch.drawFisch();
  }

  for(int jj = 0; jj<=markers.size()-1; jj++) {
    Marker marker = (Marker) markers.get(jj);
    marker.drawMarker();
  }
  println("fische.size(): ");
  println(fische.size());
  println("tot: ");
  println(tot);
  if(fische.size()==tot && tot != 0) {
    restart();
  }
}