let w = 50;
let a = 0;

function setup() {
  createCanvas(400, 400);
}

function draw() {
  background(220);

  noFill();
  // must first translate to change the point of origin by addition
  translate(width / 2, height / 2);
  // before we THEN rotate

  a += 0.02;

  // push and pop allow us to isolate a drawing state
  push(); // start a drawing state
  rotate(a);
  // center square; square uses left and top x y positions
  square(-(w / 2), -(w / 2), w);
  pop(); // exit that drawing state

  //  // canvas border and quadrant
  square(-width / 4, -height / 4, width / 2);

  //    line(0,-height/2,0,height/2);

  //    line(-width/2,0,width/2,0)
}

let w = 50;
let aD = 0; // difference in angles between each shape
let aToggle = 1; // toggle which is either 1 or -1

function setup() {
  createCanvas(400, 400);
  angleMode(DEGREES);
}

function draw() {
  background(220);

  noFill();
  // must first translate to change the point of origin by addition
  translate(width / 2, height / 2);
  // before we THEN rotate

  let a = 0;
  for (let w = 10; w < width; w += 10) {
    rotate(a);
    square(-(w / 2), -(w / 2), w);
    a += aD;
  }

  aD += 0.01 * aToggle; // increase the difference in angles over time;

  if (a > 60) {
    aToggle = -1;
  } else if (a < 0) {
    aToggle = 1;
  }
}

let w = 50;
let aD = 0; // difference in angles between each shape
let aToggle = 1; // toggle which is either 1 or -1

let s = 1; // scale factor of our sketch
let sToggle = 1; //  toggle for scale which is either 1 or -1.

let globalA = 0; // rotate the entire sketch

function setup() {
  createCanvas(400, 400);
  angleMode(DEGREES);
}

function draw() {
  background(220);

  noFill();
  // must first translate to change the point of origin by addition
  translate(width / 2, height / 2);
  // before we THEN rotate

  rotate(globalA);
  globalA++;

  scale(s);
  s += 0.01 * sToggle;

  if (s < 0.25) {
    sToggle = 1;
  } else if (s > 4) {
    sToggle = -1;
  }

  let a = 0;
  for (let w = 10; w < width; w += 5) {
    rotate(a);
    square(-(w / 2), -(w / 2), w);
    a += aD;
  }

  aD += noise(a * 0.01) * 0.01 * aToggle; // increase the difference in angles over time;

  if (a > 60) {
    aToggle = -1;
  } else if (a < 0) {
    aToggle = 1;
  }
}

// note, I have to comment out filters because of a bug in how my website converts them to be displayed.
// also note that the image locations are different from how they will look when you upload them to the p5 editor for the same reasons.

let img1, img2, img3, img4;

let s = 1; //scalar factor for currentImage1

// opacity of our second image
let a = 50;

// the threshold of our posterize
let t = 0.0;

let s2 = 2; // scalar factor for currentImage2

// carousel state
let state = 0; // state is either 0 or 1;
let counter1 = 0;
let counter2 = 0;

let ang = 0;

let currentImage1, currentImage2;

function preload() {
  img1 = loadImage("/assets/p5img/texture1.jpeg");
  img2 = loadImage("/assets/p5img/texture2.jpeg");
  img3 = loadImage("/assets/p5img/texture3.jpeg");
  img4 = loadImage("/assets/p5img/texture4.jpeg");
}

function setup() {
  createCanvas(640, 480);
  imageMode(CENTER);
  // set current images
  currentImage1 = img1;
  currentImage2 = img2;
}

function draw() {
  // drawing operations
  background(0);
  translate(width / 2, height / 2);
  ang += 0.001;
  push();
  scale(s);
  rotate(ang);

  tint(0, 255, 0, 126);
  image(currentImage1, 0, 0, img1.width, img1.height);
  //  filter(THRESHOLD, t); // range between 0 and 1
  // filter(INVERT);
  // filter(BLUR);

  pop();
  push();
  scale(s2);
  tint(0, 255, 0, a); // r,g,b,a
  image(currentImage2, 0, 0, img1.width, img1.height);
  //filter(BLUR);
  //filter(BLUR);

  pop();

  // logic counter animations operations
  a += 0.125;
  t += 0.0001;
  s += 0.0005;
  s2 -= 0.0005;

  //currentImage1 counter
  counter1++;
  if (counter1 > 1000) {
    s = 1; // reset scale of currentImage1
    counter1 = 0;
    a = 50;
    t = 0.0;
    if (currentImage1 == img1) {
      currentImage1 = img3;
    } else {
      currentImage1 = img1;
    }

    // cuurentImage2
    counter2++;

    if (counter2 > 1500) {
      s2 = 2;
      counter2 = 0;
      if (currentImage2 == img2) {
        currentImage2 = img4;
      } else {
        currentImage2 = img2;
      }
    }
  }
}

// note, I have to comment out filters because of a bug in how my website converts them to be displayed.
// also note that the image locations are different from how they will look when you upload them to the p5 editor for the same reasons.
let img1, img2, img3, img4;

let a = 0;
let r = 0;
let dir = 1;

function preload() {
  img1 = loadImage("/assets/p5img/texture1.jpeg");
  img2 = loadImage("/assets/p5img/texture2.jpeg");
  img3 = loadImage("/assets/p5img/texture3.jpeg");
  img4 = loadImage("/assets/p5img/texture4.jpeg");
}
function setup() {
  createCanvas(640, 480);
  imageMode(CENTER);
  angleMode(DEGREES);
}

function draw() {
  a += 1;
  r += 0.5 * dir;
  if (r > width / 2 || r < 0) {
    dir *= -1;
  }
  x = width / 2 + sin(a) * r;
  y = height / 2 + cos(a) * r;

  background(220);
  translate(width / 2, height / 2);
  push(); // start a drawing state
  rotate(90);
  let img2a = map(x, 0, width, 0, 127);

  tint(255, 0, 127, img2a);

  image(img2, 0, 0);
  pop(); // forgets everything after push

  let img1a = map(x, width, 0, 0, 127);
  tint(255, 0, 0, img1a);
  image(img1, 0, 0);

  let img3a = map(y, 0, height, 0, 127);
  tint(255, 0, 120, img3a);
  image(img3, 0, 0);

  let img4a = map(y, height, 0, 0, 127);
  tint(127, 0, 120, img4a);
  image(img4, 0, 0, width, height);
  //filter(BLUR);
  //filter(POSTERIZE, 4);
  //filter(BLUR);

  //   //filter(THRESHOLD, 0.5);
  //   filter(BLUR);

  //   //  filter(INVERT);

  //   fill(0, 0, 255);
  //   noStroke();
  //   circle(x, y, 3);
}