Data update
This commit is contained in:
Ingy döt Net
parent
5150844a7d
commit
4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
|
|
@ -1,49 +0,0 @@
|
|||
with Ada.Numerics; use Ada.Numerics;
|
||||
with Ada.Numerics.Elementary_Functions; use Ada.Numerics.Elementary_Functions;
|
||||
with Ada.Text_IO; use Ada.Text_IO;
|
||||
with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
|
||||
procedure Sierpinski_Square_Curve is
|
||||
Axiom : constant String := "F+XF+F+XF";
|
||||
Rules : constant String := "XF-F+F-XF+F+XF-F+F-X";
|
||||
ORDER : constant Positive := 5;
|
||||
LENGTH : constant Positive := 4;
|
||||
X : Integer := (600 - LENGTH) / 2;
|
||||
Y : Integer := LENGTH;
|
||||
Angle : Integer := 0;
|
||||
SVG_File : File_Type;
|
||||
Production : Unbounded_String := To_Unbounded_String (Axiom);
|
||||
function Rewrite (Str : String) return Unbounded_String is
|
||||
Prod : Unbounded_String;
|
||||
begin
|
||||
for C of Str loop
|
||||
if C = 'X' then
|
||||
Prod := Prod & Rules;
|
||||
else
|
||||
Prod := Prod & C;
|
||||
end if;
|
||||
end loop;
|
||||
return Prod;
|
||||
end Rewrite;
|
||||
begin
|
||||
Create (SVG_File, Out_File, "sierpinski.svg");
|
||||
Put_Line (SVG_File, "<svg xmlns='http://www.w3.org/2000/svg' width='600' height='600'>");
|
||||
Put_Line (SVG_File, "<rect width='100%' height='100%' fill='white'/>");
|
||||
Put (SVG_File, "<path stroke-width='1' stroke='black' fill='none' d='M" &
|
||||
X'Image & "," & Y'Image & " ");
|
||||
for I in 1 .. ORDER loop
|
||||
Production := Rewrite (To_String (Production));
|
||||
end loop;
|
||||
for C of To_String (Production) loop
|
||||
case C is
|
||||
when 'F' =>
|
||||
X := X + LENGTH * Integer (Cos (Float (Angle), 360.0));
|
||||
Y := Y + LENGTH * Integer (Sin (Float (Angle), 360.0));
|
||||
Put (SVG_File, " L" & X'Image & "," & Y'Image);
|
||||
when '+' => Angle := (Angle + 90) mod 360;
|
||||
when '-' => Angle := (Angle - 90) mod 360;
|
||||
when others => null;
|
||||
end case;
|
||||
end loop;
|
||||
Put_Line (SVG_File, "'/>\n</svg>");
|
||||
Close (SVG_File);
|
||||
end Sierpinski_Square_Curve;
|
||||
|
|
@ -1,152 +0,0 @@
|
|||
option explicit
|
||||
'outputs turtle graphics to svg file and opens it
|
||||
|
||||
const pi180= 0.01745329251994329576923690768489 ' pi/180
|
||||
const pi=3.1415926535897932384626433832795 'pi
|
||||
class turtle
|
||||
|
||||
dim fso
|
||||
dim fn
|
||||
dim svg
|
||||
|
||||
dim iang 'radians
|
||||
dim ori 'radians
|
||||
dim incr
|
||||
dim pdown
|
||||
dim clr
|
||||
dim x
|
||||
dim y
|
||||
|
||||
public property let orient(n):ori = n*pi180 :end property
|
||||
public property let iangle(n):iang= n*pi180 :end property
|
||||
public sub pd() : pdown=true: end sub
|
||||
public sub pu() :pdown=FALSE :end sub
|
||||
|
||||
public sub rt(i)
|
||||
ori=ori - i*iang:
|
||||
'if ori<0 then ori = ori+pi*2
|
||||
end sub
|
||||
public sub lt(i):
|
||||
ori=(ori + i*iang)
|
||||
'if ori>(pi*2) then ori=ori-pi*2
|
||||
end sub
|
||||
|
||||
public sub bw(l)
|
||||
x= x+ cos(ori+pi)*l*incr
|
||||
y= y+ sin(ori+pi)*l*incr
|
||||
' ori=ori+pi '?????
|
||||
end sub
|
||||
|
||||
public sub fw(l)
|
||||
dim x1,y1
|
||||
x1=x + cos(ori)*l*incr
|
||||
y1=y + sin(ori)*l*incr
|
||||
if pdown then line x,y,x1,y1
|
||||
x=x1:y=y1
|
||||
end sub
|
||||
|
||||
Private Sub Class_Initialize()
|
||||
setlocale "us"
|
||||
initsvg
|
||||
x=400:y=400:incr=100
|
||||
ori=90*pi180
|
||||
iang=90*pi180
|
||||
clr=0
|
||||
pdown=true
|
||||
end sub
|
||||
|
||||
Private Sub Class_Terminate()
|
||||
disply
|
||||
end sub
|
||||
|
||||
private sub line (x,y,x1,y1)
|
||||
svg.WriteLine "<line x1=""" & x & """ y1= """& y & """ x2=""" & x1& """ y2=""" & y1 & """/>"
|
||||
end sub
|
||||
|
||||
private sub disply()
|
||||
dim shell
|
||||
svg.WriteLine "</svg></body></html>"
|
||||
svg.close
|
||||
Set shell = CreateObject("Shell.Application")
|
||||
shell.ShellExecute fn,1,False
|
||||
end sub
|
||||
|
||||
private sub initsvg()
|
||||
dim scriptpath
|
||||
Set fso = CreateObject ("Scripting.Filesystemobject")
|
||||
ScriptPath= Left(WScript.ScriptFullName, InStrRev(WScript.ScriptFullName, "\"))
|
||||
fn=Scriptpath & "SIERP.HTML"
|
||||
Set svg = fso.CreateTextFile(fn,True)
|
||||
if SVG IS nothing then wscript.echo "Can't create svg file" :vscript.quit
|
||||
svg.WriteLine "<!DOCTYPE html>" &vbcrlf & "<html>" &vbcrlf & "<head>"
|
||||
svg.writeline "<style>" & vbcrlf & "line {stroke:rgb(255,0,0);stroke-width:.5}" &vbcrlf &"</style>"
|
||||
svg.writeline "</head>"&vbcrlf & "<body>"
|
||||
svg.WriteLine "<svg xmlns=""http://www.w3.org/2000/svg"" width=""800"" height=""800"" viewBox=""0 0 800 800"">"
|
||||
end sub
|
||||
end class
|
||||
|
||||
'to half.sierpinski :size :level
|
||||
' if :level = 0 [forward :size stop]
|
||||
' half.sierpinski :size :level - 1
|
||||
' left 45
|
||||
' forward :size * sqrt 2
|
||||
' left 45
|
||||
' half.sierpinski :size :level - 1
|
||||
' right 90
|
||||
' forward :size
|
||||
' right 90
|
||||
' half.sierpinski :size :level - 1
|
||||
' left 45
|
||||
' forward :size * sqrt 2
|
||||
' left 45
|
||||
' half.sierpinski :size :level - 1
|
||||
'end
|
||||
const raiz2=1.4142135623730950488016887242097
|
||||
sub media_sierp (niv,sz)
|
||||
if niv=0 then x.fw sz: exit sub
|
||||
media_sierp niv-1,sz
|
||||
x.lt 1
|
||||
x.fw sz*raiz2
|
||||
x.lt 1
|
||||
media_sierp niv-1,sz
|
||||
x.rt 2
|
||||
x.fw sz
|
||||
x.rt 2
|
||||
media_sierp niv-1,sz
|
||||
x.lt 1
|
||||
x.fw sz*raiz2
|
||||
x.lt 1
|
||||
media_sierp niv-1,sz
|
||||
end sub
|
||||
|
||||
'to sierpinski :size :level
|
||||
' half.sierpinski :size :level
|
||||
' right 90
|
||||
' forward :size
|
||||
' right 90
|
||||
' half.sierpinski :size :level
|
||||
' right 90
|
||||
' forward :size
|
||||
' right 90
|
||||
'end
|
||||
|
||||
sub sierp(niv,sz)
|
||||
media_sierp niv,sz
|
||||
x.rt 2
|
||||
x.fw sz
|
||||
x.rt 2
|
||||
media_sierp niv,sz
|
||||
x.rt 2
|
||||
x.fw sz
|
||||
x.rt 2
|
||||
end sub
|
||||
|
||||
dim x
|
||||
set x=new turtle
|
||||
x.iangle=45
|
||||
x.orient=0
|
||||
x.incr=1
|
||||
x.x=100:x.y=270
|
||||
'star5
|
||||
sierp 5,4
|
||||
set x=nothing
|
||||
Loading…
Add table
Add a link
Reference in a new issue