class Worm{
  int x,y,xoffset,yoffset;
  color pigment;
  Worm(){
    x = int(random(-20, width));
    y = int(random(0, height+20));
    //xoffset = int(random(-50, width));
    yoffset = int(random(100));
    pigment = color(0, random(1), random(1), random(0.2));
    println(hue(pigment));
    xoffset = int((hue(pigment)-0.4)*1500);
  }
  
  float singraph(float sa){
    sa = (sa - 0.5) * 1.0;     //scale from -1 to 1
    sa = sin(sa*PI)/2 + 0.5;
    return sa;
  }
  
  void wiggle(){
    if(y < 0-yoffset){
      y = height+20;
    }
    x = xoffset + int(singraph((float)y/100)*50);
    y -= 1;
    fill(pigment);
    pushMatrix();
    translate(0,yoffset);
    ellipse(x,y,10,10);
    popMatrix();
  }
}