s/w Lines

function setup() {

  createCanvas(750, 750);

  background(0);

}

​

function draw() {

  //background(0, 0, 0);

  //background(0, 0, 0, 5);  // r, g, b, alpha

  stroke(255, 255, 255);

  //stroke(255, 255, 255, 100); // r, g, b, alpha

  noFill();

  //fill(255, 255, 255, 10);

  translate(mouseX, mouseY);

  //point(0, 0);

  //circle(0, 0, 10); // position x, y, diameter

  //ellipse(0, 0, 100, 100); // position x, y, width, height

  //rect(0, 0, 100, 100); // position x, y, width, height

  line(100, 50, mouseX, mouseY);

}