blackhole

//variables

float rotation = 0;

float maxSize = 0.5;

float minSize = 0.1;

float currSize = 0.1;

float ease = 0.1;

​

void setup(){

   size(600,600);

   background(255);

  //default ellipse fill & stroke 

   fill(255,255,255,1.99999999);

   stroke(0,0,0,126);

}

​

void draw(){

  //fills background with white

   fill(255,255,255,20);

   rect(-2, -2, 604, 604);

   fill(255,255,255,2);

   if (mousePressed) {

     //grows size of black hole

     currSize+=((maxSize-currSize)*ease);

     drawBlackHole(mouseX,mouseY, currSize);

   }

}

​

//draws elipses that fade on top of eachother

void drawBlackHole(float x, float y, float size) {

    //centers pen

    translate(x,y);

    //loops through 10 times

    for(int i=0; i<10; i++) {

      //rotates semi-randomly to add vaiation to the black hole

      rotation += random(0.05,0.1);

      rotate(rotation);

      ellipse(0,0,random(1,300*size),400*size);

      rotate(rotation+90);

      ellipse(0,0,random(1,300*size),400*size);

    }

}

​

void mouseReleased() {

  //resets black hole size

  currSize = minSize;

}

​

​