shadow of circle

/**

* shadow of circle

*

* @author aa_debdeb

* @date 2017/01/13

*/

​

void setup(){

  size(640, 640);

  noStroke();

  background(255, 255, 250);

}

​

void draw(){

  translate(width / 2, height / 2);

  rotate(PI / 4);

  for(int i = 0; i < 2; i++){

  float angle = randomGaussian() * PI / 3;

  float radius = abs(randomGaussian() * map(cos(angle), -1, 1, 5, 30)) + 100;

  fill(0, 0, 60, 100);

  ellipse(radius * cos(angle), radius * sin(angle), 0.3, 0.3);

  }

}