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PC World Komputer 1995 November
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CURVES.L
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1991-08-30
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4KB
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221 lines
Cesaro { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
Angle 34
Axiom FX
F=
X=----F!X!++++++++F!X!----
}
CesaroDouble { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
Angle 4
axiom D\90D\90D\90D\90
D=\42!D!/84!D!\42
}
Curve1 { ; Adrian Mariano, from the Algorithmic Beauty of Plants
; curve from figure 1.9a p.10
angle 4
axiom F-F-F-F-
f=FF-F-F-F-F-F+F
}
Curve2 { ; Adrian Mariano, from the Algorithmic Beauty of Plants
angle 4
axiom F-F-F-F-
f=FF-F+F-F-FF
}
Curve3 { ; Adrian Mariano, from the Algorithmic Beauty of Plants
; curve from figure 1.9e p.10
axiom F-F-F-F-
angle 4
F=F-FF--F-F
}
Curve4 { ; Adrian Mariano
axiom yf
x=YF+XF+Y
y=XF-YF-X
angle 6
}
Dragon { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
Angle 8
Axiom FX
F=
y=+FX--FY+
x=-FX++FY-
}
DragonCurve { ; Adrian Mariano
Angle 4
Axiom X
X=X-YF-
Y=+FX+Y
}
Fass1 { ; Adrian Mariano, from the Algorithmic Beauty of Plants
; FASS curve (3x3 tiles form macrotile), Figure 1.16a p.17
axiom -l
angle 4
L=LF+RFR+FL-F-LFLFL-FRFR+
R=-LFLF+RFRFR+F+RF-LFL-FR
}
Fass2 { ; Adrian Mariano, from the Algorithmic Beauty of Plants
; FASS curve (4x4 tiles form macrotile), Figure 1.16b p.17
angle 4
axiom -l
L=LFLF+RFR+FLFL-FRF-LFL-FR+F+RF-LFL-FRFRFR+
R=-LFLFLF+RFR+FL-F-LF+RFR+FLF+RFRF-LFL-FRFR
}
FlowSnake { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
angle=6;
axiom FL
L=FL-FR--FR+FL++FLFL+FR-",
R=+FL-FRFR--FR-FL++FL+FR",
F=
}
Hilbert { ; Ken Philip, from The Science of Fractal Images
axiom x
x=-YF+XFX+FY-
y=+XF-YFY-FX+
angle 4
}
Koch1 { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
Angle 6
Axiom F--F--F
F=F+F--F+F
}
Koch2 { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
Angle 12
Axiom F---F---F---F
F=-F+++F---F+
}
Koch3 { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
Angle 4
Axiom F-F-F-F
F=F-F+F+FF-F-F+F
}
Koch4 { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
angle 12
axiom f++++f++++f
f=+f--f++f-
}
Koch5 {
axiom f+F+F+F
f=F+F-F-FFF+F+F-F
angle 4
}
Koch6 { ; Adrian Mariano
axiom f+f+f+f
f=f-ff+ff+f+f-f-ff+f+f-f-ff-ff+f
angle 4
}
KochCurve { ; Adrian Mariano
Angle 6
Axiom F
F=F+F--F+F
}
Peano1 { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
Angle 4
Axiom F-F-F-F
F=F-F+F+F+F-F-F-F+F
}
Peano2 { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
Angle 8
Axiom FXY++F++FXY++F
X=XY@Q2-F@IQ2-FXY++F++FXY
Y=-@Q2F-@IQ2FXY
}
Peano3 {
axiom x
x=XFYFX+F+YFXFY-F-XFYFX
y=YFXFY-F-XFYFX+F+YFXFY
angle 4
}
QuadGosper { ; Adrian Mariano, from the Algorithmic Beauty of Plants
; Quadratic Gosper curve, Figure 1.11b p.12
angle 4
axiom -Fr
l=FlFl-Fr-Fr+Fl+Fl-Fr-FrFl+Fr+FlFlFr-Fl+Fr+FlFl+Fr-FlFr-Fr-Fl+Fl+FrFr-
r=+FlFl-Fr-Fr+Fl+FlFr+Fl-FrFr-Fl-Fr+FlFrFr-Fl-FrFl+Fl+Fr-Fr-Fl+Fl+FrFr
f=
}
QuadKoch { ; Adrian Mariano, from the Algorithmic Beauty of Plants
; Quadratic Koch island, Figure 1.7a p.9
angle 4
AXIOM F-F-F-F-
F=F+FF-FF-F-F+F+FF-F-F+F+FF+FF-F
}
Quartet { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
angle 4
axiom fb
A=FBFA+HFA+FB-FA
B=FB+FA-FB-JFBFA
F=
H=-
J=+
}
SnowFlake1 { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
Angle 12
Axiom FR
R=++!FRFU++FU++FU!---@Q3FU|-@IQ3!FRFU!
U=!FRFU!|+@Q3FR@IQ3+++!FR--FR--FRFU!--
F=
}
SnowFlake2 { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
angle 12
axiom F
F=++!F!F--F--F@IQ3|+F!F--
F=F--F!+++@Q3F@QI3|+F!F@Q3|+F!F
}
SnowFlake3 { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
angle 12
axiom fx
x=++f!x!fy--fx--fy|+@iq3fyf!x!++f!y!++f!y!fx@q3+++f!y!fx
y=fyf!x!+++@iq3fyf!x!++f!x!++f!y!fx@q3|+fx--fy--fxf!y!++
f=
}
SnowFlakeColor { ; Adrian Mariano
; from The Fractal Geometry of Nature by Mandelbrot
angle 12
axiom F
F=--!F<1!F<1++F<1++F<1@IQ3|-F<1!F<1++
F=F<1++F<1!---@Q3F<1@QI3|-F<1!F<1@Q3|-F<1!F<1
<=
}