function generate_grass()
{

	var player_position1;
	var player_position2;
	while (player == NULL) {wait (1);}
	while (1)
	{
		vec_set (temp.x, player.x);
		temp.x += 1000 - random(1500);
		vec_set (temp.y, player.y);
		temp.y += 1000 - random(1500);
		temp.z = player.z + 200;
		// not too close to the player and the player has moved recently?
		if ((abs(temp.x - player.x) > 600) || (abs(temp.y - player.y) > 600))
		{
			// increase the nexus if you want to have more than 2000 bushes at once
			if (((player_position1.x != player_position2.x) && (number_of_bushes <8000)) || (total_frames < 300))
			{
				if (random(1) > 0.1 )
				{
					ent_create (grass1_mdl, temp.x, place_grass);
				}
				else
				{
					ent_create (grass2_mdl, temp.x, place_grass);
				}
			}
			vec_set (player_position1.x, player.x);
			wait (1);
			vec_set (player_position2.x, player.x);
		}
		wait(0);
	}
}