let m = 0.0;

let pts = [];

​

function setup() {

  createCanvas(400, 400);

  stroke(64, 64, 64, 50);

  for (let y=0; y<=height; y+=50){

    pts.push([]);

    for (let x=0; x<=width*2; x+=50){

      let newy = y + noise(y + (x / 100)) * (height - y)

      pts[pts.length-1].push({x:x, y:newy});

    }

  }

  console.log(pts)

}

​

function draw() {

  background(220);

  translate(width * -0.5, 0)

  for (let i=0; i<pts.length; i++) {

    beginShape();

    curveVertex(0, height);

    for (let j=0; j<pts[i].length; j++) {

      translate(map(mouseX, 0, width, width * -0.05, width * 0.05), 0);

      curveVertex(pts[i][j].x, pts[i][j].y);

    }

    curveVertex(width*2, height);

    curveVertex(width*2, height);

    curveVertex(0, height);

    endShape(CLOSE);

  }

  n += 0.005;

}