let it snow

boolean isGold;
int a=0;

void setup(){
  size (1200,900);
  background(100,0,0);
  noStroke();
  fill(85,54,33);
  rect(575,600,50,300);
  fill(0,100,0);
  triangle(600,300,400,700,800,700);
  isGold=true;

}

void mousePressed(){
if (mousePressed){
  if (isGold){
    fill(232,190,50);
    ellipse(mouseX,mouseY,25,25);
    isGold=false;
  }
  else{
    fill(193,193,193);
    ellipse(mouseX,mouseY,25,25);
    isGold=true;
}}}


void draw(){
  a=a+1;
  fill(255);
  ellipse(random(0,width), a,3,3);
  if (a > 900){
    a=0;
}}