Init:

	thunderReset();

	float x,z;
	vector a,b;

	# 12 thunderbolts
  
	for (n=0;n<12;n++)
	{
		x=rand(100)-50;
		z=rand(100)-50;

		if (rand(100)>50)
		{
			if (x<0) x-=50;
			if (x>0) x+=50;
		}
		else
		{
			if (z<0) z-=50;
			if (z>0) z+=50;
		}
		a.Init(x,6.0,z);
		b.Init(x,-40.0,z);

		thunderNew(a,b,7);  # texture (7)
	}

	for (n=0;n<12;n++)
	{
		thunderSetAlpha(n,floatrand());  
	}
  

Play:

      thunderSet(n,a,b,7);         # new position
      thunderSetAlpha(n,alpha);    # new alpha value