class Star{
float x;
float y;
float w;
float h;
float speed=1;
color c;

Star(float tempx, float tempy, float tempw, float temph, color tempc){
x=tempx;
y=tempy;
w=tempw;
h=temph;
c=tempc;
}

void display(){
noStroke();
smooth();
fill(c);
ellipse(x,y,w,h);
}

void move(){
w=w+speed;
h=h+speed;
if (w>=20||w<=0){
  speed=speed*-1;
}
}







}