let snow =[];

let star =[];

let tree=[];

let owl;

let lightning=[];

let inc = 0.01;

let cloud = false;

​

let button;

​

function setup() {

  createCanvas(1000, 1000);

  button = createButton('Change Weather');

  button.position(0, 1010);

  button.mousePressed(changeBG);

​

  pixelDensity(1);

  let yoff = 0;

  loadPixels();

  for (let y = 0; y < height-350; y++) {

    let xoff = 0;

    for (let x = 0; x < width; x++) {

      let index = (x + y * width) * 4;

      // let r = random(255);

      let r = noise(xoff, yoff) * 255;

      pixels[index + 0] = r+2;

      pixels[index + 1] = r+7;

      pixels[index + 2] = r+24;

      pixels[index + 3] = 255;

​

      xoff += inc;

    }

    yoff += inc;

  }

  bg = new Bg(width/2,height/2);

  star.push(new Star(100,80,10,0));

  star.push(new Star(800,145,8,2));

  star.push(new Star(550,240,5,1));

  tree.push(new Tree(width/2+300,height/2+40,0));

  tree.push(new Tree(width/2-370,height/2+40,1));

  owl = new Owl(width/2+410,height/2-1);

  lightning = new Lightning(random(width),-5);

​

  for(let i = 0;i<10;i++){

    snow.push(new Snow(random(0,width+400),random(-500,height)));

  }

}

function changeBG(){

  cloud = !cloud;

}

​

function draw() {

  if(cloud){

    updatePixels();

  }

  else{

    background('#020718');   

  }

​

  bg.show();

​

​

}