// G-Force DeltaField
// Name: HAL_Henon_Attractor
// Created by: Howard A. Landman, 20 April 2001
// Scaling and optimization added: 7 June 2001
// e-mail: howard@polyamory.org -or- howard.landman@vitesse.com
// homepage: http://www.polyamory.org/~howard/

Aspc=1,

// Henon chaotic attractor
// See James Gleick, "Chaos", pp. 144-150 for an overview
A0="1",  // X scaling
A1="2.3",  // Y scaling
A2="0.3*a0/a1",  // pre-compute to save multiplies 
srcX="(a1*y + 1 - (1.4*sqr(a0*x)))/a0",
srcY="a2*x",

Vers=100