float x = 200; // current position
float y = 200; // current position
float r = 50; // current radius
boolean tickling = true; // tickling or poking
int strength = 10; // tickling strength

void setup()
{
  size(400,400);
  smooth();
  noStroke();
}

void draw()
{
  background(0);
  // check if we are inside the ellipse
  if(dist(mouseX,mouseY,x,y) < r) { 
    // if tickling, move me
    if(tickling) { 
      x = random(x-strength,x+strength); 
      y = random(y-strength,y+strength); 
    }
    else  // if pocking, change my size
      r = random(50-strength,50+strength);
  } else {
    r = 50;
  }
  // Set size from how far mouse has moved
  ellipse(x,y,r*2,r*2);
}

void keyPressed() {
  if(key == 't') tickling = !tickling;
  else if(key == 'm') strength = min(strength+5,20);
  else if(key == 'l') strength = max(strength-5,5);
  
  // print messages
  if(tickling) print("I am tickling"); else print("I am poking");
  println(" with "+strength+" strength");
}

// START NO NOTES
// code used to capture screenshots
void keyReleased() {
  if(key == '`' && !online) save("sketch.png");
}