Honeycombs: Difference between revisions
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→{{header|FutureBasic}}: Display chosen letters and set window background colour
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</Window></syntaxhighlight>
[[File:CSharpHoneycomb.jpg]]
=={{header|C++}}==
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{{out}}
[[Media:Honeycombs_qt.png]]
=={{header|Delphi}}==
{{works with|Delphi|6.0}}
{{libheader|SysUtils,StdCtrls}}
[[File:DelphiHoneycomb.png|frame|none]]
You can click on any hexagon in the honeycomb and it will be highlighted purple.
<syntaxhighlight lang="Delphi">
{Structure containing information for one hexagon}
type THexagon = record
Points: array [0..6-1] of TPoint;
Center: TPoint;
Letter: Char;
Selected: boolean;
end;
{Array of hexagons}
var Hexagons: array of array of THexagon;
function PointInPolygon(Point: TPoint; const Polygon: array of TPoint): Boolean;
{Test if point is in the polygon}
var Rgn: HRGN;
begin
Rgn := CreatePolygonRgn(Polygon[0], Length(Polygon), WINDING);
Result := PtInRegion(rgn, Point.X, Point.Y);
DeleteObject(rgn);
end;
function HitTest(X,Y: integer; var Col,Row: integer): boolean;
{Find hexagon that X,Y may be in}
{Return a hexagon found, Hexagon is in specified by Col, Row}
var C,R: integer;
begin
Result:=True;
for R:=0 to High(Hexagons[0]) do
for C:=0 to High(Hexagons) do
if PointInPolygon(Point(X,Y),Hexagons[C,R].Points) then
begin
Col:=C; Row:=R;
exit;
end;
Result:=False;
end;
procedure BuildHoneyComb(Pos: TPoint; Radius: integer);
{Build honeycombo from hexagons}
var XStep,YStep: integer;
var Off: TPoint;
var Col,Row: integer;
var Cnt: integer;
procedure SetHexagon(var Hex: THexagon; Pos: TPoint);
{Set the points for one hexagon}
begin
Hex.Center:=Pos;
Hex.Points[0]:=Point(Pos.X-Radius,Pos.Y);
Hex.Points[1]:=Point(Pos.X-XStep,Pos.Y-YStep);
Hex.Points[2]:=Point(Pos.X+XStep,Pos.Y-YStep);
Hex.Points[3]:=Point(Pos.X+Radius,Pos.Y);
Hex.Points[4]:=Point(Pos.X+XStep,Pos.Y+YStep);
Hex.Points[5]:=Point(Pos.X-XStep,Pos.Y+YStep);
{Assign one char to hexagon, A..Z in order created}
Hex.Letter:=Char(Cnt+$41);
{Deselect hexagon}
Hex.Selected:=False;
Inc(Cnt);
end;
procedure RandomizeChars;
{Randomize the characters}
var X1,Y1,X2,Y2: integer;
var C: char;
begin
for X1:=0 to High(Hexagons) do
for Y1:=0 to High(Hexagons[0]) do
begin
X2:=Random(Length(Hexagons));
Y2:=Random(Length(Hexagons[0]));
C:=Hexagons[X1,Y1].Letter;
Hexagons[X1,Y1].Letter:=Hexagons[X2,Y2].Letter;
Hexagons[X2,Y2].Letter:=C;
end;
end;
begin
Cnt:=0;
{Set number of hexagons in honey comb}
SetLength(Hexagons,5,4);
{Values to set the corners of the hexagon}
XStep:=Round(Radius / 2);
YStep:=Round(Radius * 0.866025403784438646);
for Col:=0 to High(Hexagons) do
for Row:=0 to High(Hexagons[0]) do
begin
{Calculate the position of hexagon in honeycomb}
Off.X:=Pos.X+(Radius+XStep) * Col;
Off.Y:=Pos.Y+YStep*Row*2;
if (Col and 1)=1 then Off.Y:=Off.Y + YStep;
{Set hexagon in honeycomb}
SetHexagon(Hexagons[Col,Row],Off);
end;
RandomizeChars;
end;
procedure DrawHoneyComb(Canvas: TCanvas);
{Draw polygons describing honeycomb}
var Col,Row: integer;
var Hex: THexagon;
var FS: TSize;
begin
Canvas.Pen.Width:=4;
Canvas.Font.Size:=20;
Canvas.Font.Style:=[fsBold];
Canvas.Font.Name:='Arial';
FS:=Canvas.TextExtent('M');
for Col:=0 to High(Hexagons) do
for Row:=0 to High(Hexagons[0]) do
begin
Hex:=Hexagons[Col,Row];
if Hex.Selected then Canvas.Brush.Color:=clFuchsia
else Canvas.Brush.Color:=clYellow;
Canvas.Polygon(Hex.Points);
Canvas.TextOut(Hex.Center.X-FS.CX div 2,Hex.Center.Y-FS.CY div 2,Hex.Letter);
end;
end;
procedure ShowHoneycomb(Image: TImage);
var MW: TMouseWaiter;
var MI: TMouseData;
var Row,Col: integer;
begin
MW:=TMouseWaiter.Create(TWinControl(Image));
Image.Canvas.Pen.Width:=3;
BuildHoneyComb(Point(140,90),40);
DrawHoneyComb(Image.Canvas);
Image.Canvas.Brush.Color:=clWhite;
Image.Canvas.TextOut(10,10,'Click outside honeycomb to terminate');
Image.Invalidate;
while true do
begin
MI:=MW.WaitForMouse;
if HitTest(MI.X,MI.Y,Col,Row) then
begin
Hexagons[Col,Row].Selected:=True;
DrawHoneyComb(Image.Canvas);
Image.Invalidate;
end
else break;
if Application.Terminated then break;
end;
end;
</syntaxhighlight>
{{out}}
<pre>
</pre>
=={{header|FutureBasic}}==
<syntaxhighlight lang="futurebasic">
void local fn BuildWindow
long tag, index
CFStringRef title
CFMutableStringRef letters = fn MutableStringWithString( @"ABCDEFGHIJKLMNOPQRSTUVWXYZ" )
window 1, @"Honeycombs", (0,0,419,443), NSWindowStyleMaskTitled
WindowSetBackgroundColor( 1, fn ColorWhite )
CGrect r = {20,339,95,85}
for tag = 1 to 20
subclass button tag,,, @"", r,, NSBezelStyleSmallSquare
index = rnd(len(letters)-1)
title = mid(letters,index,1)
ButtonSetTitle( tag, title )
ButtonSetKeyEquivalent( tag, lcase(title) )
MutableStringDeleteCharacters( letters, fn RangeMake( index, 1 ) )
ButtonSetTransparent( tag, YES )
r = fn CGRectOffset( r, 0, -82 )
if ( tag mod 4 == 0 )
r.origin.x += 71
if ( r.origin.y < -21.0 )
r.origin.y = 339
else
r.origin.y = 298
end if
end if
next
textlabel 21,, (18,20,383,24)
ControlSetFont( 21, fn FontSystemFontOfSize(20) )
ControlSetAlignment( 21, NSTextAlignmentCenter )
end fn
void local fn ViewDrawRect( tag as long )
CGRect r = fn ViewBounds( tag )
ColorRef titleColor, fillColor
if ( fn ControlIsEnabled( tag ) )
titleColor = fn ColorRed
fillColor = fn ColorYellow
else
titleColor = fn ColorBlack
fillColor = fn ColorMagenta
end if
BezierPathRef path = fn BezierPathInit
BezierPathSetLineWidth( path, 5.0 )
BezierpathSetLineCapStyle( path, NSRoundLineCapStyle )
CGPoint pt = {0,41}
BezierPathMoveToPoint( path, pt )
pt.x += 23.67 : pt.y += 41
BezierPathLineToPoint( path, pt )
pt.x += 47.34
BezierPathLineToPoint( path, pt )
pt.x += 23.67 : pt.y -= 41
BezierPathLineToPoint( path, pt )
pt.x -= 23.67 : pt.y -= 41
BezierPathLineToPoint( path, pt )
pt.x -= 47.34
BezierPathLineToPoint( path, pt )
pt.x -= 23.67 : pt.y += 41
BezierPathLineToPoint( path, pt )
ColorSet( fillColor )
BezierPathFill( path )
ColorSet( fn ColorBlack )
BezierPathStroke( path )
CFStringRef title = fn ButtonTitle( tag )
CFDictionaryRef attrs = @{
NSFontAttributeName:fn FontWithName( @"Helvetica-Bold", 52),
NSForegroundColorAttributeName:titleColor}
CFMutableAttributedStringRef aString = fn MutableAttributedStringWithAttributes( title, attrs )
MutableAttributedStringSetAlignment( aString, NSTextAlignmentCenter )
r.origin.y += 10
AttributedStringDrawInRect( aString, r )
end fn
void local fn Finished
long tag
for tag = 1 to 20
if ( fn ControlIsEnabled( tag ) ) then exit fn
next
end
end fn
void local fn ButtonAction( tag as long )
CFStringRef string = fn StringByAppendingString( fn ControlStringValue(21), fn ButtonTitle(tag) )
ControlSetStringValue( 21, string )
ControlSetEnabled( tag, NO )
fn Finished
end fn
void local fn DoDialog( ev as long, tag as long )
select ( ev )
case _btnClick : fn ButtonAction( tag )
case _viewDrawRect : fn ViewDrawRect( tag )
end select
end fn
random
fn BuildWindow
on Dialog fn DoDialog
HandleEvents
</syntaxhighlight>
[[file:FutureBasic Honeycombs.png]]
=={{header|Go}}==
Line 3,970 ⟶ 4,264:
The following script uses a font called ''memory.ttf''. If this is not present in your DOME distribution, it can be downloaded from [https://github.com/domeengine/dome/raw/main/examples/fonts/memory.ttf here] and should be placed in the same directory as the script itself.
<syntaxhighlight lang="
import "dome" for Window, Process
import "math" for Math
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