// G-Force DeltaField
// Name: HAL_LD_Eyes
// Created by: Howard A. Landman, 28 April 2001
// e-mail: howard@polyamory.org -or- howard.landman@vitesse.com
// homepage: http://www.polyamory.org/~howard/

Aspc=0,

// Logistic difference equation
// Becomes chaotic for values of x greater than a certain point
// See James Gleick, "Chaos", pp. 69-80 & 157-184 for details

srcY="0.99*y",
// Slight vertical spread

srcX="(2*((4-(1.5*abs(y)))*((x+1)/2)*(1-((x+1)/2))))-1",
// More chaotic towards center, symmetric top to bottom
// Note that this runs "backwards" from the real equation

Vers=100