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Polyspiral (view source)

Revision as of 21:33, 23 March 2022

17,850 bytes added ,  2 years ago
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→‎{{header|Phix}}: syntax coloured, added online link
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'M' toggles "mod360", which inverts the angle every 360/2PI or so, since sin/cos
accept arguments in radians not degrees (and mod 2*PI changes nothing), producing
non-true polyspirals, but quite interesting nevertheless.
You can run this online [http://phix.x10.mx/p2js/Polyspiral.htm here].
{{libheader|Phix/pGUI}}
{{libheader|Phix/online}}
<lang Phix>-- demo\rosetta\Polyspiral.exw
<!--<lang Phix>(phixonline)-->
include pGUI.e
<span style="color: #000080;font-style:italic;">--
 
-- demo\rosetta\Polyspiral.exw
Ihandle dlg, canvas, timer
-- ===========================
cdCanvas cddbuffer, cdcanvas
--
 
-- Space toggles the timer, '+' increases speed (up to 100 FPS), '-' decreases speed
constant TITLE = "Polyspiral"
-- 'M' toggles "mod360", which inverts the angle every 360/2PI or so, since sin/cos
 
-- accept arguments in radians not degrees (and mod 2*PI changes nothing), producing
atom incr = 0
-- non-true polyspirals, but quite interesting nevertheless.
bool mod360 = false
--</span>
 
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
procedure Polyspiral(atom x1, y1)
<span style="color: #008080;">constant</span> <span style="color: #000000;">TITLE</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">"Polyspiral"</span>
atom angle = incr
<span style="color: #008080;">include</span> <span style="color: #000000;">pGUI</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
integer len = 5
incr += 0.05
<span style="color: #004080;">Ihandle</span> <span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">timer</span>
if mod360 then
<span style="color: #004080;">cdCanvas</span> <span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cdcanvas</span>
incr = mod(incr,360)
<span style="color: #004080;">atom</span> <span style="color: #000000;">incr</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span>
end if
<span style="color: #004080;">bool</span> <span style="color: #000000;">mod360</span> <span style="color: #0000FF;">=</span> <span style="color: #004600;">false</span>
for i=1 to 150 do
atom x2 = x1 + cos(angle)*len
<span style="color: #008080;">procedure</span> <span style="color: #000000;">Polyspiral</span><span style="color: #0000FF;">(</span><span style="color: #004080;">atom</span> <span style="color: #000000;">x1</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y1</span><span style="color: #0000FF;">)</span>
atom y2 = y1 + sin(angle)*len
<span style="color: #004080;">atom</span> <span style="color: #000000;">angle</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">incr</span>
cdCanvasSetForeground(cddbuffer, i*#200+i*#40+i*#10)
<span style="color: #004080;">integer</span> <span style="color: #000000;">len</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">5</span>
cdCanvasLine(cddbuffer, x1, y1, x2, y2)
<span style="color: #000000;">incr</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">0.05</span>
{x1, y1} = {x2, y2}
<span style="color: #008080;">if</span> <span style="color: #000000;">mod360</span> <span style="color: #008080;">then</span>
len += 3
<span style="color: #000000;">incr</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">mod</span><span style="color: #0000FF;">(</span><span style="color: #000000;">incr</span><span style="color: #0000FF;">,</span><span style="color: #000000;">360</span><span style="color: #0000FF;">)</span>
angle += incr
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
if mod360 then
<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: #000000;">150</span> <span style="color: #008080;">do</span>
angle = mod(angle,360)
<span style="color: #004080;">atom</span> <span style="color: #000000;">x2</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x1</span> <span style="color: #0000FF;">+</span> <span style="color: #7060A8;">cos</span><span style="color: #0000FF;">(</span><span style="color: #000000;">angle</span><span style="color: #0000FF;">)*</span><span style="color: #000000;">len</span><span style="color: #0000FF;">,</span>
end if
<span style="color: #000000;">y2</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">y1</span> <span style="color: #0000FF;">+</span> <span style="color: #7060A8;">sin</span><span style="color: #0000FF;">(</span><span style="color: #000000;">angle</span><span style="color: #0000FF;">)*</span><span style="color: #000000;">len</span>
end for
<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: #000000;">i</span><span style="color: #0000FF;">*</span><span style="color: #000000;">#200</span><span style="color: #0000FF;">+</span><span style="color: #000000;">i</span><span style="color: #0000FF;">*</span><span style="color: #000000;">#40</span><span style="color: #0000FF;">+</span><span style="color: #000000;">i</span><span style="color: #0000FF;">*</span><span style="color: #000000;">#10</span><span style="color: #0000FF;">)</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;">x1</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y1</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">x2</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y2</span><span style="color: #0000FF;">)</span>
 
<span style="color: #0000FF;">{</span><span style="color: #000000;">x1</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y1</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">x2</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y2</span><span style="color: #0000FF;">}</span>
function redraw_cb(Ihandle /*ih*/, integer /*posx*/, integer /*posy*/)
<span style="color: #000000;">len</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">3</span>
integer {w, h} = IupGetIntInt(canvas, "DRAWSIZE")
<span style="color: #000000;">angle</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">incr</span>
cdCanvasActivate(cddbuffer)
<span style="color: #008080;">if</span> <span style="color: #000000;">mod360</span> <span style="color: #008080;">then</span>
cdCanvasClear(cddbuffer)
<span style="color: #000000;">angle</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">mod</span><span style="color: #0000FF;">(</span><span style="color: #000000;">angle</span><span style="color: #0000FF;">,</span><span style="color: #000000;">360</span><span style="color: #0000FF;">)</span>
Polyspiral(w/2, h/2)
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
cdCanvasFlush(cddbuffer)
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
integer ms = IupGetInt(timer,"TIME")
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
IupSetStrAttribute(dlg, "TITLE", "%s (timer=%d [%g FPS], angle %3.2f%s)",
{TITLE,ms,1000/ms,incr,iff(mod360?" (mod360)":"")})
<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>
return IUP_DEFAULT
<span style="color: #004080;">integer</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">w</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">h</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupGetIntInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"DRAWSIZE"</span><span style="color: #0000FF;">)</span>
end function
<span style="color: #7060A8;">cdCanvasActivate</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
 
<span style="color: #7060A8;">cdCanvasClear</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
function timer_cb(Ihandle /*ih*/)
<span style="color: #000000;">Polyspiral</span><span style="color: #0000FF;">(</span><span style="color: #000000;">w</span><span style="color: #0000FF;">/</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">h</span><span style="color: #0000FF;">/</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
IupUpdate(canvas)
<span style="color: #7060A8;">cdCanvasFlush</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
return IUP_IGNORE
<span style="color: #004080;">integer</span> <span style="color: #000000;">ms</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupGetInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">timer</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"TIME"</span><span style="color: #0000FF;">)</span>
end function
<span style="color: #7060A8;">IupSetStrAttribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"TITLE"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"%s (timer=%d [%g FPS], angle %3.2f%s)"</span><span style="color: #0000FF;">,</span>
 
<span style="color: #0000FF;">{</span><span style="color: #000000;">TITLE</span><span style="color: #0000FF;">,</span><span style="color: #000000;">ms</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1000</span><span style="color: #0000FF;">/</span><span style="color: #000000;">ms</span><span style="color: #0000FF;">,</span><span style="color: #000000;">incr</span><span style="color: #0000FF;">,</span><span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">mod360</span><span style="color: #0000FF;">?</span><span style="color: #008000;">" (mod360)"</span><span style="color: #0000FF;">:</span><span style="color: #008000;">""</span><span style="color: #0000FF;">)})</span>
function map_cb(Ihandle ih)
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span>
cdcanvas = cdCreateCanvas(CD_IUP, ih)
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
cddbuffer = cdCreateCanvas(CD_DBUFFER, cdcanvas)
cdCanvasSetBackground(cddbuffer, CD_WHITE)
<span style="color: #008080;">function</span> <span style="color: #000000;">timer_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*timer*/</span><span style="color: #0000FF;">)</span>
cdCanvasSetForeground(cddbuffer, CD_GRAY)
<span style="color: #7060A8;">IupUpdate</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">)</span>
return IUP_DEFAULT
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_IGNORE</span>
end function
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
 
function esc_close(Ihandle /*ih*/, atom c)
<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;">canvas</span><span style="color: #0000FF;">)</span>
if c=K_ESC then return IUP_CLOSE end if
<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;">canvas</span><span style="color: #0000FF;">)</span>
if c=' ' then
<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>
IupSetInt(timer,"RUN",not IupGetInt(timer,"RUN"))
<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>
elsif find(c,"+-") then
<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_GRAY</span><span style="color: #0000FF;">)</span>
-- ('+' increases speed, by decreasing TIME)
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span>
IupSetInt(timer,"TIME",max(10,IupGetInt(timer,"TIME")-(','-c)*10))
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
IupSetInt(timer,"RUN",0)
IupSetInt(timer,"RUN",1)
<span style="color: #008080;">function</span> <span style="color: #000000;">key_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;">atom</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">)</span>
elsif upper(c)='M' then
<span style="color: #008080;">if</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">=</span><span style="color: #004600;">K_ESC</span> <span style="color: #008080;">then</span> <span style="color: #008080;">return</span> <span style="color: #004600;">IUP_CLOSE</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
mod360 = not mod360
<span style="color: #008080;">if</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">=</span><span style="color: #008000;">' '</span> <span style="color: #008080;">then</span>
end if
<span style="color: #7060A8;">IupSetInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">timer</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"RUN"</span><span style="color: #0000FF;">,</span><span style="color: #008080;">not</span> <span style="color: #7060A8;">IupGetInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">timer</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"RUN"</span><span style="color: #0000FF;">))</span>
return IUP_CONTINUE
<span style="color: #008080;">elsif</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">c</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"+-"</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span>
end function
<span style="color: #7060A8;">IupSetInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">timer</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"RUN"</span><span style="color: #0000FF;">,</span><span style="color: #004600;">false</span><span style="color: #0000FF;">)</span>
 
<span style="color: #000000;">c</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">-(</span><span style="color: #008000;">','</span><span style="color: #0000FF;">-</span><span style="color: #000000;">c</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- ('+' ==&gt; +1, '-' ==&gt; -1)</span>
procedure main()
<span style="color: #7060A8;">IupSetInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">timer</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"TIME"</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">max</span><span style="color: #0000FF;">(</span><span style="color: #000000;">10</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">IupGetInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">timer</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"TIME"</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">c</span><span style="color: #0000FF;">*</span><span style="color: #000000;">10</span><span style="color: #0000FF;">))</span>
IupOpen()
<span style="color: #7060A8;">IupSetInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">timer</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"RUN"</span><span style="color: #0000FF;">,</span><span style="color: #004600;">true</span><span style="color: #0000FF;">)</span>
 
<span style="color: #008080;">elsif</span> <span style="color: #7060A8;">upper</span><span style="color: #0000FF;">(</span><span style="color: #000000;">c</span><span style="color: #0000FF;">)=</span><span style="color: #008000;">'M'</span> <span style="color: #008080;">then</span>
canvas = IupCanvas(NULL)
<span style="color: #000000;">mod360</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">not</span> <span style="color: #000000;">mod360</span>
IupSetAttribute(canvas, "RASTERSIZE", "640x640")
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
IupSetCallback(canvas, "MAP_CB", Icallback("map_cb"))
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_CONTINUE</span>
IupSetCallback(canvas, "ACTION", Icallback("redraw_cb"))
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
 
timer = IupTimer(Icallback("timer_cb"), 20)
<span style="color: #7060A8;">IupOpen</span><span style="color: #0000FF;">()</span>
 
<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=640x640"</span><span style="color: #0000FF;">)</span>
dlg = IupDialog(canvas)
<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>
IupSetAttribute(dlg, "TITLE", TITLE)
<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>
IupSetCallback(dlg, "K_ANY", Icallback("esc_close"))
<span style="color: #000000;">timer</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupTimer</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"timer_cb"</span><span style="color: #0000FF;">),</span> <span style="color: #000000;">20</span><span style="color: #0000FF;">)</span>
 
<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;">`TITLE="%s"`</span><span style="color: #0000FF;">,</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">TITLE</span><span style="color: #0000FF;">})</span>
IupShow(dlg)
<span style="color: #7060A8;">IupSetCallback</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"KEY_CB"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"key_cb"</span><span style="color: #0000FF;">))</span>
IupSetAttribute(canvas, "RASTERSIZE", NULL)
<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: #7060A8;">IupSetAttribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"RASTERSIZE"</span><span style="color: #0000FF;">,</span> <span style="color: #004600;">NULL</span><span style="color: #0000FF;">)</span>
IupClose()
<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>
end procedure
<span style="color: #7060A8;">IupMainLoop</span><span style="color: #0000FF;">()</span>
 
<span style="color: #7060A8;">IupClose</span><span style="color: #0000FF;">()</span>
main()</lang>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<!--</lang>-->
 
=={{header|Python}}==
Petelomax
7,820

edits

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