ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/lsys/lib/tiling.l
Revision: 1.1
Committed: Thu Nov 6 14:31:25 2008 UTC (15 years, 6 months ago) by root
Branch: MAIN
CVS Tags: HEAD
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1
2     // These LSystems are designed to be run from FRACTINT. No compilation is
3     // necessary, just copy this file to the FRACTINT directory and run FRACTINT.
4     // Select the lsystem fractal type and press F6 to select a file.
5    
6    
7     // This is the old ColorPenrose1 with three changes.
8     // 1. A brighter red and green
9     // 2. The name was changed to group the Penrose tilings together
10     // 3. The comment was corrected.
11    
12     ruleset ( // by Herb Savage
13     // based on Martin Gardner's "Penrose Tiles to Trapdoor Ciphers",
14     // Roger Penrose's rhombuses
15     // Uses color to show similar lines
16    
17     Penrose_color(n) => attr (delta, 360/10) +WF--XF---YF--ZF, n;
18     W => YF++ZF----XF[-YF----WF]++;
19     X => +YF--ZF[---WF--XF]+;
20     Y => -WF++XF[+++YF++ZF]-;
21     Z => --YF++++WF[+ZF++++XF]--XF;
22     F => ;
23     )
24    
25     // This tiling actually does what the old comment for ColorPenrose1 said
26     // it did.
27    
28     ruleset ( // by Herb Savage
29     // based on Martin Gardner's "Penrose Tiles to Trapdoor Ciphers",
30     // Roger Penrose's rhombuses
31     // Uses color to show the edge matching rules to force nonperiodicy
32    
33     Penrose_forced(n) => attr (delta, 360/10) +WFF--XFF---YFF--ZFF, n;
34     W => YFF++ZFF----XFF[-YFF----WFF]++;
35     X => +YFF--ZFF[---WFF--XFF]+;
36     Y => -WFF++XFF[+++YFF++ZFF]-;
37     Z => --YFF++++WFF[+ZFF++++XFF]--XFF;
38     F => ;
39     )
40    
41     ruleset ( // by Herb Savage
42     // based on Martin Gardner's "Penrose Tiles to Trapdoor Ciphers",
43     // Roger Penrose's kites and darts
44    
45     Kites_and_darts(n) => attr (delta, 360/10) Wf+Xf+Wf+Xf+Wf+Xf+Wf+Xf+Wf+X, n;
46     W => [F][++ attr (distance, distance*01.618033989) F][++f--- attr (distance, distance*0.618033989) f|X-Y|f|W];
47     X => [F+++ attr (distance, distance*01.618033989) F][++ attr (distance, distance*0.618033989) fZ|X|-f|W];
48     Y => [+F][ attr (distance, distance*01.618033989) F][+f attr (distance, distance*0.618033989) |Y+X];
49     Z => [-F][ attr (distance, distance*01.618033989) F][ attr (distance, distance*0.618033989) f--Wf|+Z];
50     F => ;
51     )
52    
53     ruleset ( // by Herb Savage
54     // based on Martin Gardner's "Penrose Tiles to Trapdoor Ciphers",
55     // Roger Penrose's kites and darts
56    
57     Kites_and_darts_color(n) => attr (delta, 360/10) Wf+Xf+Wf+Xf+Wf+Xf+Wf+Xf+Wf+X, n;
58     W => [F][++ attr (distance, distance*01.618033989) F][++f--- attr (distance, distance*0.618033989) f|X-Y|f|W];
59     X => [F+++ attr (distance, distance*01.618033989) F][++ attr (distance, distance*0.618033989) fZ|X|-f|W];
60     Y => [+F][ attr (distance, distance*01.618033989) F][+f attr (distance, distance*0.618033989) |Y+X];
61     Z => [-F][ attr (distance, distance*01.618033989) F][ attr (distance, distance*0.618033989) f--Wf|+Z];
62     F => ;
63     )
64    
65     ruleset ( // by Herb Savage
66     // based on Martin Gardner's "Penrose Tiles to Trapdoor Ciphers"
67    
68     Spiral_tile(n) => attr (delta, 360/16) X++X++X++X++|f|X++X++X++X, n;
69     X => [FX+++++ attr (distance, distance*0.7653668647) F attr (distance, distance/0.7653668647) [-----Y]+++++F];
70     Y => [F+++++ attr (distance, distance*0.7653668647) F attr (distance, distance/0.7653668647) [-----Y]+++++F];
71     )
72    
73     ruleset ( // by Herb Savage
74     // based on Martin Gardner's "Penrose Tiles to Trapdoor Ciphers",
75     // A spiral tiling by Heinz Voderberg
76    
77     Voderberg_tile(n) => attr (delta, 360/30) -(84.1) A -(96) attr (distance, distance*04.783386117) f attr (distance, distance/04.783386117) +(96) A, n;
78     A => X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) X -(12) Z;
79     X => [F -(78) F -(46.37236) attr (distance, distance*03.393427) F attr (distance, distance/03.393427) +(46.37236) F -(114) [ -(168) X -(24) Y]F -(78) F -(46.37236) attr (distance, distance*03.393427) F attr (distance, distance/03.393427) +(46.37236) F +(78) F];
80     Y => [F -(78) F -(46.37236) attr (distance, distance*03.393427) F attr (distance, distance/03.393427) +(46.37236) F +(78) F -(168) [ -(192) Y]F -(78) F -(46.37236) attr (distance, distance*03.393427) F attr (distance, distance/03.393427) +(46.37236) F];
81     Z => [F -(78) F -(46.37236) attr (distance, distance*03.393427) F attr (distance, distance/03.393427) +(46.37236) F -(114) F -(78) F -(46.37236) attr (distance, distance*03.393427) F attr (distance, distance/03.393427) +(46.37236) F +(78) F];
82     )
83    
84     // These two aren't tilings but simple spiral patterns done by my 12 year old
85     // son Morgan that really need the warning from "Fractal Creations" about
86     // color cycling introducing hypnotic states.
87    
88     ruleset ( // by Morgan Savage
89     // Try order 13 and color cycle in both 256 and 16 color modes
90    
91     Vertigo(n) => attr (delta, 360/46) X, n;
92     X => XF+ attr (distance, distance*0.9997) X;
93     )
94    
95     ruleset ( // by Morgan Savage
96     // Try order 13 and color cycle in both 256 and 16 color modes
97    
98     Vertigo1(n) => attr (delta, 360/49) X, n;
99     X => XF+ attr (distance, distance*0.9997) X;
100     )
101