GPT Sketch-gird

let colors = [];

let rectWidth;

let rectHeight;

let numCols = 10;

let numRows = 6;

let flicker = 0.005;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  rectWidth = width / numCols;

  rectHeight = height / numRows;

  noStroke();

  generateColors();

}

​

function draw() {

  for (let i = 0; i < numCols; i++) {

    for (let j = 0; j < numRows; j++) {

      let colIndex = i * numRows + j;

      let r = red(colors[colIndex]);

      let g = green(colors[colIndex]);

      let b = blue(colors[colIndex]);

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      r = (r + random(-flicker, flicker) * 255) % 255;

      g = (g + random(-flicker, flicker) * 255) % 255;

      b = (b + random(-flicker, flicker) * 255) % 255;

​

      colors[colIndex] = color(r, g, b);

​

      fill(colors[colIndex]);

      rect(i * rectWidth, j * rectHeight, rectWidth, rectHeight);

    }

  }

​

  textAlign(CENTER, CENTER);

  textSize(48);

  fill(255);

  text("ART BASE", width / 2, height / 2);

}

​

function generateColors() {

  for (let i = 0; i < numCols * numRows; i++) {

    colors.push(color(random(255), random(255), random(255)));

  }

}

​