0206mondriangrid

// this is a comment

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// control-shift J appears to open the developer console

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// setup runs once when you hit play!

function setup() {

  createCanvas(windowWidth, windowHeight); // this is saying how big our canvas is

  background(255); // this is our background color

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  rectMode(CENTER); // rectangles will draw on center

}

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// draw runs every frame over and over and over and over and over

function draw() {

  var color0 = "black"; // edge color

  var color1 = "red";

  var color2 = "yellow";

  var color3 = "blue";

  var gridsize = 50; // how wide is the grid in pixels

  // random makes random numbers: one argument is a range, two args are a min and a max

  stroke(color0);

  strokeWeight(random(2, 10)); // this will make a thicker line

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  var whichcolor = floor(random(3)); // floor() hacks off the decimal point

  //console.log(whichcolor);

  if(whichcolor==0) fill(color1);

  if(whichcolor==1) fill(color2);

  if(whichcolor==2) fill(color3);

  var x = random(width);

  var y = random(height);

  x = ceil(x/gridsize)*gridsize;

  y = ceil(y/gridsize)*gridsize;

  var w = ceil(random(2))*gridsize;

  var h = ceil(random(2))*gridsize;

  rect(x, y, w, h); // draw a rectangle - arguments are x, y, width, height

}

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