#genuary30 #genuary2025 #genuary

mySketch
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// kenzo
// 01-30-2025
​
let particles = [];
let squareSize = 20;
let simulation;
​
function setup() {
  //pixelDensity(5)
  createCanvas(400, 600);
  background(255);
  simulation = create();
  for (let i = 0; i < 1; i++) {
    let startX = random(width);
    let startY = random(height);
    particles.push(builder(startX, startY, squareSize));
  }
}
​
function draw() {
  for (let particle of particles) {
    particle.move();
    particle.display();
  }
}
​
function builder(startX, startY, squareSize) {
  let queue = [{ x: startX, y: startY }];
  let direction = random(TWO_PI);
  let speed = random(0.5, 5);
  return {
    queue,
    move() {
      if (this.queue.length === 0) return;
      let { x, y } = this.queue[this.queue.length - 1];
      let newX = x + cos(direction) * speed;
      let newY = y + sin(direction) * speed;
      if (random() < 0.1) {
        direction += random([-HALF_PI, HALF_PI]);
      }
      if (
        newX > 0 &&
        newX < width &&
        newY > 0 &&
        newY < height &&
        simulation.isMoveAllowed(newX, newY)
      ) {
        this.queue.push({ x: newX, y: newY });
        simulation.markVisited(newX, newY);
      } else {
        this.queue.pop();
      }
    },
    display() {
      if (this.queue.length > 1) {
        stroke(0, 150);
        strokeWeight(0.5);
        beginShape();
        for (let point of this.queue) {
          vertex(point.x, point.y);
        }
        endShape(CLOSE);
      }
    },
  };
}
​
function create() {
  let grid = [];
  for (let x = 0; x < width; x++) {
    grid[x] = [];
    for (let y = 0; y < height; y++) {
      grid[x][y] = false;
    }
  }
  return {
    isMoveAllowed(x, y) {
      let col = int(x);
      let row = int(y);
      return !grid[col][row];
    },
    markVisited(x, y) {
      let col = int(x);
      let row = int(y);
      grid[col][row] = true;
    },
  };
}
​
function touchStarted() {
  saveCanvas(canvas, 'myCanvas', 'jpg');
  return false;
}