Cube  Diff

			*pp = p->next;
			p->next = parempty;
			parempty = p;
		} else {
			if (pt->gr)
				p->o.z -= ((lastmillis - p->millis) / 3.0f) *
				    curtime / (pt->gr * 10000);
			OFVector3D a = p->d;
			OFVector3D a = OFMultiplyVector3D(p->d, time);
			vmul(a, time);
			vdiv(a, 20000.0f);
			vadd(p->o, a);
			a = OFMultiplyVector3D(a, 1.0f / 20000.0f);
			p->o = OFAddVectors3D(p->o, a);
			pp = &p->next;
		}
	}

	glEnable(GL_FOG);
	glDisable(GL_BLEND);
	glDepthMask(GL_TRUE);

	}
}

void
particle_trail(int type, int fade, const OFVector3D *s, const OFVector3D *e)
{
	vdist(d, v, *s, *e);
	vdiv(v, d * 2 + 0.1f);
	v = OFMultiplyVector3D(v, 1.0f / (d * 2 + 0.1f));
	OFVector3D p = *s;
	for (int i = 0; i < ((int)d * 2); i++) {
		vadd(p, v);
		p = OFAddVectors3D(p, v);
		OFVector3D d =
		    OFMakeVector3D(rnd(11) - 5, rnd(11) - 5, rnd(11) - 5);
		newparticle(&p, &d, rnd(fade) + fade, type);
	}
}