action pl_grenade_act()
	{
		set(my,CAST|SHADOW|PASSABLE);
		my.emask|=ENABLE_SHOOT|ENABLE_BLOCK|ENABLE_IMPACT|ENABLE_ENTITY|ENABLE_FRICTION;
		my.push=50;		

		my.waittime=40;
		pXent_settype(me,PH_RIGID,PH_SPHERE);	
		pXent_setmass (my, 10); 
		pXent_setfriction (my, 80);
		pXent_setdamping (my, 10, 10); 
		pXent_setelasticity (my, 50); 
		my.lightrange=70;
		my.red=0;
		my.blue=100;
		my.green=20;
		
		pXent_settype(me, PH_RIGID, PH_SPHERE);
		
		wait(1);
		
		
		while(1)
		{	
                        //get sticky now:

			c_trace (my.x,you.x,IGNORE_ME|IGNORE_PASSABLE|SCAN_TEXTURE);	
			if(you&&my.waittime<=36)
			{		
			   pXent_settype(me,NULL,NULL);	
			   VECTOR hit_vec;		
			   CONTACT* contact1 =ent_getvertex(you,NULL,hit.vertex);
			   vec_for_ent (contact1.x, my);
			   vec_for_vertex (hit_vec,you,hit.vertex);
                           my.x=hit_vec.x;		
			}

                //handle time counter and explosion


                ...

			wait(1);
		}
	}

pXent_setcollisionflag(me,enemy,NX_NOTIFY_ON_START_TOUCH); 
my.event=get_sticky;

#define reldist_x skill1
#define reldist_y skill2
#define reldist_z skill3
#define absdist_x skill4
#define absdist_y skill5
#define absdist_z skill6
#define entity_handle skill7

action grenade()
{
  my.reldist_x = 16; // forward velocity
  my.reldist_y = 0;
  my.reldist_z = 0;
  my.absdist_x = 0;
  my.absdist_y = 0;
  my.absdist_z = 16; // the grenade flies upwards at first.

  while( my ) // while I exist
  {
    if( !is(my,FLAG1) ) // "flying through the air" mode
    {
      my.absdist_z -= time_step; // the grenade flies downward over time.
      c_move( my, my.reldist_x, my.absdist_x, USE_POLYGON );
      if( trace_hit && you ) // hit an entity
      {
        // remember the entity I hit with a handle
        my.entity_handle = handle( you );

        // go to "sticky" mode
        set( my, FLAG1 );
      }
    }
    else // "sticky" mode
    {
      your = ptr_for_handle( my.entity_handle );
      if( your ) // only do this if the entity still exists, of course (otherwise we get a pointer error)
      {
        // In sticky mode, I repurpose my.absdist to be the position of the grenade + the distance between the grenade and the hit entity.
        vec_diff( my.absdist_x, my.x, your.x );
        vec_add( my.absdist_x, my.x );
        vec_set( my.x, my.absdist_x );
      }
    }

    wait(1);
  }
}