28.4

//28.4

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Spot[] spots;

float r = random(2);

void setup() {

  size(500, 300);

​

  int numSpots = 100;

  int dia = height/numSpots;

  spots = new Spot[numSpots];

  for (int i =0; i < spots.length; i++) {

    float x = dia/2 + i*dia;

    float rate = random(0.4, 0.8);

    spots[i] = new Spot(x, r, dia, rate*r);

  }

  noStroke();

}

void draw() {

  fill(0,4);

  rect(0, 0, width, height);

 // 

 fill(0,10);

  ellipse(0,250,600,400);

  fill(0,8);

    ellipse(250,0,600,400);

  for (int i=0; i < spots.length; i++) {

    spots[i].move();

    spots[i].display();

  }

}

class Spot {

  float x, y;

  float diameter;

  float speed;

  int direction = 1;

  Spot(float xpos, float ypos, float dia, float sp) {

    x = xpos;

    y = ypos;

    diameter = dia;

    speed = sp;

  }

  void move() {

    x += (speed * direction);

    y += ((speed * 8) * direction);

    if ((x> (width - diameter/2)) || (x < diameter/2) || (y > (height-diameter/2) || (y< diameter/2))) {

      direction *= -1;

    }

  }

void change(){

  if ((y > (height - (height/2))) || (y < height/2)){

    }

}

void display() {

  fill(244*r, 215*r, 0*r); 

  ellipse(x*r, y, diameter*r, diameter*r);

}

}

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