#!/usr/bin/nawk -f $0
BEGIN {
  if(ARGC < 3) {
    frame_delay = 0.05;
    num_frames = 20
    num_verts = 29
    loops = 9
  }
  else {
    num_frames  = ARGV[1];
    num_verts   = ARGV[2];
    loops       = ARGV[3];
  }
  pi2= 2*atan2(0,-1);

  printf("%d %d %f\n",num_frames,num_verts,frame_delay); 


  for(k=0;k<num_frames;k++) {
    t1 = (k/num_frames)*pi2;
    t3 = (k/(num_frames-1))*pi2;

    for(j=0;j<num_verts;j++) {
      t2 = (j/num_verts)*pi2;
      t4 = (j/(num_verts-1))*pi2;

      r = (9 * t2 / pi2)/9

      x = -sin(t1 + t4*loops)*r
      y = cos(t1 + t4*loops)*r

#*sin(1*(t4+t1))
#*(-sin(1*(t4+t1)))

      red=int(128*(sin(t1+t2)+0.5))+127;
      green=int(128*(cos(t1+t2)+0.5))+127;
      blue=int(128*(sin(t2)+0.5))+127;

      printf("%d %f %f %f %02x%02x%02x\n",flags,x,y,z,blue,green,red);
    }
  }
  exit(0);
}
