class Spawner
{
  PVector hotspot;
  PVector center;
  PVector wind;
  Palette pal;
  
  float spread;
  float radius;
  float scalar;
    
  Spawner( float spacing, float crawlerRadius, float stepSize )
  {
    spread = spacing;
    radius = crawlerRadius;
    scalar = stepSize;
    
    hotspot = new PVector( random(-1,1), random(-1,1), random(-1,1) );
    center = new PVector( random(-100,100), random(-100,100), random(-100,100) );
    wind = PVector.sub( center, hotspot);
    wind.normalize();
    
    pal = new Palette( PALETTES[(int)random( PALETTES.length )] );
  }
  
  Crawler Spawn()
  {
    PVector pos = new PVector( random( -spread, spread), random( -spread, spread ), random( -spread, spread ));
    PVector vel = PVector.add( wind, new PVector( random( -1.2, 1.2), random( -1.2, 1.2 ), random( -1.2, 1.2 )) );
    vel.mult( scalar );
    return new Crawler( pos.get(), vel.get(), radius, pal.GetColor() );
  }
}