Untitled

truc[] trucs;

​

​

void setup(){

  size(500,500);colorMode(HSB);

  trucs = new truc[120];

  for(int a=0;a<trucs.length;a++){

   trucs[a]=new truc();

  }

   background(0);fill(0);//noFill();

}

​

void draw(){

  //background(0);

 fill(0,30);noStroke();rect(0,0,width,height);

  for(int a=0;a<trucs.length;a++){

    trucs[a].dessine();

  }

}

​

class truc{

  float x,y,vx,vy;float c;

  truc(){

    x=random(width);y=random(height);

    float an=random(TWO_PI),v=random(0.5,1.5);

    vx=cos(an)*v;vy=sin(an)*v;

    c=random(255);

  }

  void dessine(){

    x+=vx;y+=vy;

    if(x<10){x=10;vx=abs(vx);}

    if(y<10){y=10;vy=abs(vy);}

    if(x>width-10){x=width-10;vx=-abs(vx);}

    if(y>height-10){y=height-10;vy=-abs(vy);}

      for(int a=0;a<trucs.length;a++){

    truc t= trucs[a];

    if(t!=this){

      float d=dist(x,y,t.x,t.y);

      if(d<20){

        t.x=x+((t.x-x)/d)*20;

        t.y=y+((t.y-y)/d)*20;

      } else if(d<60) {

        float an=atan2(y-t.y, x-t.x);

        float x1=x+cos(an-PI)*10, y1=y+sin(an-PI)*10;

        float x2=t.x+cos(an)*10, y2=t.y+sin(an)*10;

        stroke(c,220,255,map(d,20,60,255,0));

        line(x1,y1,x2,y2);

      }

    }

  }

    stroke(c,220,250);//noFill();

    ellipse(x,y,20,20);

  }

}