void stop()
{
  sound.close();
  super.stop();
}

float falloff(float distance){
  if (distance <1) distance=1;
  float falloff = distcon * (1/(distance*distance));
  return falloff;
}

float volumeFalloff(float distance){
  if (distance <1) distance=1;
  float falloff = (1/(distance*distance))*40;
  if (falloff >0.5) falloff=0.5;
  return falloff;
}

float panValue (float left, float right){
  float right2, left2;
  float totalval = left+right;
  if (left>right) {
    left2 = 1;
    right2 = right/left;
  } 
  else {
    right2 = 1;
    left2 = left/right;
  }
  // now the big one is 1, the other is less than one.
  float result = right2-left2;
  return result;
}


void drawcomet(){
  //  noStroke();
  //  fill(255,0,0,10);
  //  ellipse(cometx,comety,170,170);
  //  fill(255,0,0,20);
  //  ellipse(cometx,comety,140,140);
  float widthmod = halo.width/2;
  float heightmod = halo.height/2;
  // draw 9 haloes
  noTint();
  image(halo,cometx-widthmod-skwidth,comety-heightmod-skheight);
  image(halo,cometx-widthmod-skwidth,comety-heightmod);
  image(halo,cometx-widthmod-skwidth,comety-heightmod+skheight);
  image(halo,cometx-widthmod,comety-heightmod-skheight);
  image(halo,cometx-widthmod,comety-heightmod);
  image(halo,cometx-widthmod,comety-heightmod+skheight);
  image(halo,cometx-widthmod+skwidth,comety-heightmod-skheight);
  image(halo,cometx-widthmod+skwidth,comety-heightmod);
  image(halo,cometx-widthmod+skwidth,comety-heightmod+skheight);
  // draw 9 comet images, for wrapping-fooling purposes:
  widthmod = cometimg.width/2;
  heightmod = cometimg.height/2;
  tint(255, 255, 255, 255);
  image(cometimg,cometx-widthmod-skwidth,comety-heightmod-skheight);
  image(cometimg,cometx-widthmod-skwidth,comety-heightmod);
  image(cometimg,cometx-widthmod-skwidth,comety-heightmod+skheight);
  image(cometimg,cometx-widthmod,comety-heightmod-skheight);
  image(cometimg,cometx-widthmod,comety-heightmod);
  image(cometimg,cometx-widthmod,comety-heightmod+skheight);
  image(cometimg,cometx-widthmod+skwidth,comety-heightmod-skheight);
  image(cometimg,cometx-widthmod+skwidth,comety-heightmod);
  image(cometimg,cometx-widthmod+skwidth,comety-heightmod+skheight);
}

void draworbit(){
  float widthmod = orbitimg.width/2;
  float heightmod = orbitimg.height/2;
  tint(255, 255, 255, 255);
  // draw 9 orbit images, for wrapping-fooling purposes:
  image(orbitimg,orbitx-widthmod-skwidth,orbity-heightmod-skheight);
  image(orbitimg,orbitx-widthmod-skwidth,orbity-heightmod);
  image(orbitimg,orbitx-widthmod-skwidth,orbity-heightmod+skheight);
  image(orbitimg,orbitx-widthmod,orbity-heightmod-skheight);
  image(orbitimg,orbitx-widthmod,orbity-heightmod);
  image(orbitimg,orbitx-widthmod,orbity-heightmod+skheight);
  image(orbitimg,orbitx-widthmod+skwidth,orbity-heightmod-skheight);
  image(orbitimg,orbitx-widthmod+skwidth,orbity-heightmod);
  image(orbitimg,orbitx-widthmod+skwidth,orbity-heightmod+skheight);  
}