// G-Force DeltaField
// Name: HAL_Smoke_And_Mirrors
// Created by: Howard A. Landman, 8-17 May 2001
// e-mail: howard@polyamory.org -or- howard.landman@vitesse.com
// homepage: http://www.polyamory.org/~howard/

Aspc=0,

// Number of wedges
A0="16+flor(rnd(34))",
// Angle of one wedge
A1="(2*PI)/a0",
// Number of complete rings is  A2/(2*PI)
// e.g. 32 > 10*PI, so gives 5 complete rings
A2="2*PI*flor(4+rnd(7))",
// Spreading speeds need to be adjusted for
// the number of rings and wedges, or the
// colors may flatten out too soon.
// A3 controls radial spreading.
A3="0.25/a2",
// A4 controls angular spreading
A4="0.18/a0",
// If A5 is 1, every other ring counter-rotates
A5="flor(rnd(1.5))",
// A6 positive = clockwise, negative=counterclockwise
A6="sgn(rnd(2)-1)*a1",

srcR="r+(a3*sin(a2*r))", 
// The sin term gives the mirrory spreading in R for each ring.

srcT="theta + (a6*(a5*sgn(sin(r*a2*0.5))+(1-a5))) + (a4*sin(a0*theta))",
// The second term gives the rotation
// The third term gives the mirrory spreading in T for each wedge.

Vers=100