Point[] points;

int sensY = 1;
int sensX = 1;
float epaisseur;

void setup() {
  background(255);
  size(800,600);
  //fullScreen();
  int numPoints = 25;
  points = new Point[numPoints];
  for (int i=0; i<points.length;i++) {
    epaisseur = random(10,20);
    points[i] = new Point(random(width),random(height),epaisseur, random(2,5), color(random(20),random(100),random(65)));
  }
}

void draw() {
  fill(165, 169, 157,20);
  noStroke();
  rect(0,0,width,height);
  for (int i=0; i<points.length;i++) { 
    points[i].deplace();
  }
}
/*
void keyPressed() {
    save("screenshot.png");
    exit();
}
void mouseReleased() {
  loop();
}
void mousePressed() {
  noLoop();
}
*/
class Point {
  float x, y, dia, speed;
  color myColor;
  int direction = 1;
  int laterale = 1;
  String texte;

  Point(float xpos, float ypos, float diametre, float sp, color maCouleur) {
    x = xpos;
    y = ypos;
    dia = diametre;
    speed = sp;
    myColor = maCouleur;
  }

  void deplace() {
    float newSpeed;
    y += random(-0.7,0.7);//(speed * direction);
    x += (speed *laterale);

    if ((y > (height-dia/2)) || (y < dia/2)) {
      direction *= -1;
      sensY = sensY*(-1);
    }
    if ((x > (width-dia/2)) || (x < dia/2)) {
      laterale *= -1;
      sensX = sensX*(-1);
    }
    strokeWeight(dia);
    stroke(myColor);
    point(x,y);
  }
}