Sawyer_Lattice_Random_Walk

var rand;

var x;

var y;

var r = 255;

var g = 255;

var b = 255;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(random(255));

  x = width/2;

  y = height/2;

​

}

​

function draw() {

  noStroke();

  rand = random(4);

  if (rand < 1){

    x+=2;

  } else if (rand >= 1 && rand < 2){

    x-=2;

  } else if (rand >= 2 && rand < 3){

    y+=2;

  } else {

    y-=2;

  }

  if (x > width){

    x = width - 2;

  } else if (x < 0){

    x = 2;

  } else if (y > height){

    y = height - 2;

  } else if (y < 0){

    y = 2;

  }

  fill(r,g,b);

  ellipse(x, y, 2, 2);

  //println("rand: " + rand);

  //println("x: " + x);

  //println("y: " + y);

}

​

function mousePressed(){

  r = random(255);

  g = random(255);

  b = random(255);

}