// G-Force DeltaField
// Name: HAL_Marbleized_Hyperbolas
// Created by: Howard A. Landman, 19 April 2001
// e-mail: howard@polyamory.org -or- howard.landman@vitesse.com
// homepage: http://www.polyamory.org/~howard/

Aspc=1,

A0="0.028",  // speed of flow, try 0.018 to 0.040
             // too slow loses marbleized effect

A1="40",     // higher gives more smaller bands
             // lower gives fewer fatter bands

srcX=" x + a0*sin(a1*x*y)*sgn(x) ",
srcY=" y + a0*cos(a1*x*y)*sgn(x) ",

// sgn(x) or sgn(y) or both can be used to
// control the direction of flow in each
// quadrant.

Vers=100