let slider

let button

var snow_length=3

var r=255

var g=255

var b=255

var snow=[]

var count=25

function preload(){

Bimg=loadImage('background.png')

}

​

function setup(){

createCanvas(400,400)

 slider=createSlider(0,height-100,200)  

  button=createButton('New Landscape')

  button.mousePressed(reload)

  for (i = 0; i < count; i++) {

  snow[i]= new Snow(random(width),random(-15),random(5,15))

}

   mheight=slider.value()

  for (i=0;i<50;i++) {

  circle(random(width),random(mheight,0),5)

}

}

function draw() {

   snow_length+=0.005

  background(Bimg);

      for (i = 0; i < snow.length; i++) {

snow[i].fall()

  snow[i].show()

  snow[i].refresh()  

}

  mheight=slider.value()

  for (let x=0; x < width; x++) {

    let noiseVal = noise((x)*noiseScale,noiseScale);

   let y=mheight+noiseVal*80

    stroke(165,165,165);

    rect(x, mheight+noiseVal*80, 1, height);

    fill(r,g,b)

    noStroke()

    rect(x,y-snow_length,1,snow_length)

  }

if (snow_length>=15){

snow_length=3

}

}

​

function reload(){

location.reload()

}