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Fibonacci word/fractal: Difference between revisions

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Fibonacci word/fractal (view source)

Revision as of 18:03, 12 November 2021

9,771 bytes added ,  2 years ago
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→‎{{header|Phix}}: added syntax colouring, made p2js compatible
(Added Fōrmulæ solution)
m (→‎{{header|Phix}}: added syntax colouring, made p2js compatible)
Line 1,563:
 
=={{header|Phix}}==
Output matches Fig 1 (at the top of the page)
{{libheader|Phix/pGUI}}
{{libheader|Phix/online}}
<lang Phix>-- demo\rosetta\FibonacciFractal.exw
You can run this online [http://phix.x10.mx/p2js/fibonaccifractal.htm here].
include pGUI.e
Output matches Fig 1 (at the top of the page)
 
<!--<lang Phix>(phixonline)-->
Ihandle dlg, canvas
<span style="color: #000080;font-style:italic;">--
cdCanvas cddbuffer, cdcanvas
-- demo\rosetta\FibonacciFractal.exw
 
--</span>
procedure drawFibonacci(integer x, y, dx, dy, n)
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
string prev = "1", word = "0"
<span style="color: #008080;">include</span> <span style="color: #000000;">pGUI</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
for i=3 to n do {prev,word} = {word,word&prev} end for
for i=1 to length(word) do
<span style="color: #004080;">Ihandle</span> <span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">canvas</span>
cdCanvasLine(cddbuffer, x, y, x+dx, y+dy)
<span style="color: #004080;">cdCanvas</span> <span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cdcanvas</span>
x += dx y += dy
if word[i]=='0' then
<span style="color: #008080;">procedure</span> <span style="color: #000000;">drawFibonacci</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">dx</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">dy</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">)</span>
{dx,dy} = iff(remainder(i,2)?{dy,-dx}:{-dy,dx})
<span style="color: #004080;">string</span> <span style="color: #000000;">prev</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">"1"</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">word</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">"0"</span>
end if
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">3</span> <span style="color: #008080;">to</span> <span style="color: #000000;">n</span> <span style="color: #008080;">do</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">prev</span><span style="color: #0000FF;">,</span><span style="color: #000000;">word</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">word</span><span style="color: #0000FF;">,</span><span style="color: #000000;">word</span><span style="color: #0000FF;">&</span><span style="color: #000000;">prev</span><span style="color: #0000FF;">}</span> <span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
end for
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">word</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">do</span>
end procedure
<span style="color: #7060A8;">cdCanvasLine</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">+</span><span style="color: #000000;">dx</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">+</span><span style="color: #000000;">dy</span><span style="color: #0000FF;">)</span>
 
<span style="color: #000000;">x</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">dx</span> <span style="color: #000000;">y</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">dy</span>
function redraw_cb(Ihandle /*ih*/, integer /*posx*/, integer /*posy*/)
<span style="color: #008080;">if</span> <span style="color: #000000;">word</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]==</span><span style="color: #008000;">'0'</span> <span style="color: #008080;">then</span>
cdCanvasActivate(cddbuffer)
<span style="color: #0000FF;">{</span><span style="color: #000000;">dx</span><span style="color: #0000FF;">,</span><span style="color: #000000;">dy</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">remainder</span><span style="color: #0000FF;">(</span><span style="color: #000000;">i</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)?{</span><span style="color: #000000;">dy</span><span style="color: #0000FF;">,-</span><span style="color: #000000;">dx</span><span style="color: #0000FF;">}:{-</span><span style="color: #000000;">dy</span><span style="color: #0000FF;">,</span><span style="color: #000000;">dx</span><span style="color: #0000FF;">})</span>
cdCanvasClear(cddbuffer)
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
drawFibonacci(20, 20, 0, 1, 23)
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
cdCanvasFlush(cddbuffer)
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
return IUP_DEFAULT
end function
<span style="color: #008080;">function</span> <span style="color: #000000;">redraw_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*ih*/</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">integer</span> <span style="color: #000080;font-style:italic;">/*posx*/</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">/*posy*/</span><span style="color: #0000FF;">)</span>
 
<span style="color: #7060A8;">cdCanvasActivate</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
function map_cb(Ihandle ih)
<span style="color: #7060A8;">cdCanvasClear</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
cdcanvas = cdCreateCanvas(CD_IUP, ih)
<span style="color: #000000;">drawFibonacci</span><span style="color: #0000FF;">(</span><span style="color: #000000;">20</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">20</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">1</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">23</span><span style="color: #0000FF;">)</span>
cddbuffer = cdCreateCanvas(CD_DBUFFER, cdcanvas)
<span style="color: #7060A8;">cdCanvasFlush</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
cdCanvasSetBackground(cddbuffer, CD_WHITE)
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span>
cdCanvasSetForeground(cddbuffer, CD_GREEN)
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
return IUP_DEFAULT
end function
<span style="color: #008080;">function</span> <span style="color: #000000;">map_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000000;">ih</span><span style="color: #0000FF;">)</span>
 
<span style="color: #000000;">cdcanvas</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">cdCreateCanvas</span><span style="color: #0000FF;">(</span><span style="color: #004600;">CD_IUP</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">ih</span><span style="color: #0000FF;">)</span>
procedure main()
<span style="color: #000000;">cddbuffer</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">cdCreateCanvas</span><span style="color: #0000FF;">(</span><span style="color: #004600;">CD_DBUFFER</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cdcanvas</span><span style="color: #0000FF;">)</span>
IupOpen()
<span style="color: #7060A8;">cdCanvasSetBackground</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #004600;">CD_WHITE</span><span style="color: #0000FF;">)</span>
 
<span style="color: #7060A8;">cdCanvasSetForeground</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #004600;">CD_GREEN</span><span style="color: #0000FF;">)</span>
canvas = IupCanvas(NULL)
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span>
IupSetAttribute(canvas, "RASTERSIZE", "620x450")
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
IupSetCallback(canvas, "MAP_CB", Icallback("map_cb"))
 
<span style="color: #008080;">procedure</span> <span style="color: #000000;">main</span><span style="color: #0000FF;">()</span>
dlg = IupDialog(canvas, "RESIZE=NO")
<span style="color: #7060A8;">IupOpen</span><span style="color: #0000FF;">()</span>
IupSetAttribute(dlg, "TITLE", "Fibonacci Fractal")
<span style="color: #000000;">canvas</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupCanvas</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"RASTERSIZE=620x450"</span><span style="color: #0000FF;">)</span>
IupSetCallback(canvas, "ACTION", Icallback("redraw_cb"))
<span style="color: #7060A8;">IupSetCallbacks</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"MAP_CB"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"map_cb"</span><span style="color: #0000FF;">),</span>
 
<span style="color: #008000;">"ACTION"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"redraw_cb"</span><span style="color: #0000FF;">)})</span>
IupMap(dlg)
<span style="color: #000000;">dlg</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupDialog</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">`RESIZE=NO, TITLE="Fibonacci Fractal"`</span><span style="color: #0000FF;">)</span>
IupShowXY(dlg,IUP_CENTER,IUP_CENTER)
<span style="color: #7060A8;">IupShow</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">)</span>
IupMainLoop()
<span style="color: #008080;">if</span> <span style="color: #7060A8;">platform</span><span style="color: #0000FF;">()!=</span><span style="color: #004600;">JS</span> <span style="color: #008080;">then</span>
IupClose()
<span style="color: #7060A8;">IupMainLoop</span><span style="color: #0000FF;">()</span>
end procedure
<span style="color: #7060A8;">IupClose</span><span style="color: #0000FF;">()</span>
 
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
main()</lang>
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
<span style="color: #000000;">main</span><span style="color: #0000FF;">()</span>
<!--</lang>-->
 
=={{header|Processing}}==
Petelomax
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