black lines/white circles

function setup() {

  createCanvas(400, 400);

  // Let's make our canvas light blue

  background(255,0,0);

}

​

// Runs repeatedly

function draw() {

  frameRate(random(30, 60))

  // Draw a circle centered on the current mouse

  // location, with a diameter of 20

  color(0);

  stroke(1);

  line(200, 200, mouseX, mouseY);

  fill(255, 45);

  noStroke();

  circle(mouseX, mouseY, random(150));

}

​

function mousePressed() {

  background('red');

}

​