Re: Tessellated hexagonal grid?

[David V Glasgow via use-livecode]

Most excellent!

> On 30 Jun 2018, at 1:26 am, hh via use-livecode 
>  wrote:
> 
> A simple hexagonal grid creating stack:
> http://forums.livecode.com/viewtopic.php?p=168657#p168657
> 
> You choose the number of rows and columns and, for "scaling",
> the horizontal radius and vertical radius of the circumellipses.
> 
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Re: Tessellated hexagonal grid?

[Richmond Mathewson via use-livecode]

Marvellous.

Thank you very much indeed!

Richmond.

On 30/6/2018 3:26 am, hh via use-livecode wrote:

A simple hexagonal grid creating stack:
http://forums.livecode.com/viewtopic.php?p=168657#p168657

You choose the number of rows and columns and, for "scaling",
the horizontal radius and vertical radius of the circumellipses.

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Re: Tessellated hexagonal grid?

[hh via use-livecode]

A simple hexagonal grid creating stack:
http://forums.livecode.com/viewtopic.php?p=168657#p168657

You choose the number of rows and columns and, for "scaling",
the horizontal radius and vertical radius of the circumellipses.

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Re: Tessellated hexagonal grid?

[Richmond Mathewson via use-livecode]

Come to think of things, I ran off a load of tessellating hexagons in 
Turtle Graphics about

2 weeks ago using fekking code blocks.

Richmond.

On 29/6/2018 8:53 pm, Richmond Mathewson wrote:
I cannot for the life of me work out why it is relatively easy to 
tessellate hexagons in BBC BASIC

on my BBC MODEL B while it is such a P.I.A. in LiveCode.

https://computer-literacy-project.pilots.bbcconnectedstudio.co.uk/jsbeeb/index.html?disc1=CLP0001.ssd=%2Fbeeb%2Floader%2F7c8bf2e3-5488-6322-09d6-e137cdae5605=1=Master

Richmond.

On 29/6/2018 2:05 pm, David V Glasgow via use-livecode wrote:

Not sure whether you really want to know or not ;-)

Richmond puts his finger on it really.  Most of the properties of a graphic polygon don’t 
relate to geometric features of the polygon itself - except when it is a rect.  So, as 
Richard says, tiling them or otherwise changing properties of target and adjacent hexes on 
the fly will involve what the Bash Street Kids called "hard 
sums”.

If I do go with hexes, I’m thinking the lazy way (my way) would be to simply 
show hidden hexes rather than allow allow true creation.  That would mean 
having a hard edge - which on the plus side would at least prevent Richmond’s 
flat earther’s falling off.

Best wishes,

David G


On 27 Jun 2018, at 10:32 pm, Bob Sneidar via 
use-livecode  wrote:

I would agree if I understood one word of it, or even what the problem was this 
approach was trying to solve.

Bob S



On Jun 27, 2018, at 08:42 , Rick Harrison via 
use-livecode  wrote:

Great resource and read.

Thanks!

Rick


On Jun 27, 2018, at 5:30 AM, hh via use-livecode 
 wrote:

Here a rather complete guide to the "theory" with a link
to implementation guides for several programming languages,
especially, close to LC, JavaScript.

https://www.redblobgames.com/grids/hexagons/

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Re: Tessellated hexagonal grid?

[Richmond Mathewson via use-livecode]

I cannot for the life of me work out why it is relatively easy to 
tessellate hexagons in BBC BASIC

on my BBC MODEL B while it is such a P.I.A. in LiveCode.

https://computer-literacy-project.pilots.bbcconnectedstudio.co.uk/jsbeeb/index.html?disc1=CLP0001.ssd=%2Fbeeb%2Floader%2F7c8bf2e3-5488-6322-09d6-e137cdae5605=1=Master

Richmond.

On 29/6/2018 2:05 pm, David V Glasgow via use-livecode wrote:

Not sure whether you really want to know or not ;-)

Richmond puts his finger on it really.  Most of the properties of a graphic polygon don’t 
relate to geometric features of the polygon itself - except when it is a rect.  So, as 
Richard says, tiling them or otherwise changing properties of target and adjacent hexes on 
the fly will involve what the Bash Street Kids called "hard sums”  
.

If I do go with hexes, I’m thinking the lazy way (my way) would be to simply 
show hidden hexes rather than allow allow true creation.  That would mean 
having a hard edge - which on the plus side would at least prevent Richmond’s 
flat earther’s falling off.

Best wishes,

David G


On 27 Jun 2018, at 10:32 pm, Bob Sneidar via use-livecode 
 wrote:

I would agree if I understood one word of it, or even what the problem was this 
approach was trying to solve.

Bob S



On Jun 27, 2018, at 08:42 , Rick Harrison via use-livecode 
 wrote:

Great resource and read.

Thanks!

Rick


On Jun 27, 2018, at 5:30 AM, hh via use-livecode 
 wrote:

Here a rather complete guide to the "theory" with a link
to implementation guides for several programming languages,
especially, close to LC, JavaScript.

https://www.redblobgames.com/grids/hexagons/


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Re: Tessellated hexagonal grid?

[Phil Jimmieson via use-livecode]

Hi David,
Even with complex shapes, it’s pretty easy (once you have a template version) 
just to clone it, and then place it appropriately (and obviously that can be 
based on its centre, or, as you say, the edges of its rectangle). The maths 
shouldn’t be that hard (& I speak as someone who hates hard sums ).

Sent from my iPhone

> On 29 Jun 2018, at 12:05, David V Glasgow via use-livecode 
>  wrote:
> 
> Not sure whether you really want to know or not ;-)
> 
> Richmond puts his finger on it really.  Most of the properties of a graphic 
> polygon don’t relate to geometric features of the polygon itself - except 
> when it is a rect.  So, as Richard says, tiling them or otherwise changing 
> properties of target and adjacent hexes on the fly will involve what the Bash 
> Street Kids called "hard sums”  
> .
>   
> 
> If I do go with hexes, I’m thinking the lazy way (my way) would be to simply 
> show hidden hexes rather than allow allow true creation.  That would mean 
> having a hard edge - which on the plus side would at least prevent Richmond’s 
> flat earther’s falling off.
> 
> Best wishes,
> 
> David G
> 
>> On 27 Jun 2018, at 10:32 pm, Bob Sneidar via use-livecode 
>>  wrote:
>> 
>> I would agree if I understood one word of it, or even what the problem was 
>> this approach was trying to solve. 
>> 
>> Bob S
>> 
>> 
>>> On Jun 27, 2018, at 08:42 , Rick Harrison via use-livecode 
>>>  wrote:
>>> 
>>> Great resource and read.
>>> 
>>> Thanks!
>>> 
>>> Rick
>>> 
 On Jun 27, 2018, at 5:30 AM, hh via use-livecode 
  wrote:
 
 Here a rather complete guide to the "theory" with a link
 to implementation guides for several programming languages,
 especially, close to LC, JavaScript.
 
 https://www.redblobgames.com/grids/hexagons/
>> 
>> 
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Re: Tessellated hexagonal grid?

[David V Glasgow via use-livecode]

Not sure whether you really want to know or not ;-)

Richmond puts his finger on it really.  Most of the properties of a graphic 
polygon don’t relate to geometric features of the polygon itself - except when 
it is a rect.  So, as Richard says, tiling them or otherwise changing 
properties of target and adjacent hexes on the fly will involve what the Bash 
Street Kids called "hard sums”  
.
  

If I do go with hexes, I’m thinking the lazy way (my way) would be to simply 
show hidden hexes rather than allow allow true creation.  That would mean 
having a hard edge - which on the plus side would at least prevent Richmond’s 
flat earther’s falling off.

Best wishes,

David G

> On 27 Jun 2018, at 10:32 pm, Bob Sneidar via use-livecode 
>  wrote:
> 
> I would agree if I understood one word of it, or even what the problem was 
> this approach was trying to solve. 
> 
> Bob S
> 
> 
>> On Jun 27, 2018, at 08:42 , Rick Harrison via use-livecode 
>>  wrote:
>> 
>> Great resource and read.
>> 
>> Thanks!
>> 
>> Rick
>> 
>>> On Jun 27, 2018, at 5:30 AM, hh via use-livecode 
>>>  wrote:
>>> 
>>> Here a rather complete guide to the "theory" with a link
>>> to implementation guides for several programming languages,
>>> especially, close to LC, JavaScript.
>>> 
>>> https://www.redblobgames.com/grids/hexagons/
> 
> 
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Re: Tessellated hexagonal grid?

[Bob Sneidar via use-livecode]

I would agree if I understood one word of it, or even what the problem was this 
approach was trying to solve. 

Bob S


> On Jun 27, 2018, at 08:42 , Rick Harrison via use-livecode 
>  wrote:
> 
> Great resource and read.
> 
> Thanks!
> 
> Rick
> 
>> On Jun 27, 2018, at 5:30 AM, hh via use-livecode 
>>  wrote:
>> 
>> Here a rather complete guide to the "theory" with a link
>> to implementation guides for several programming languages,
>> especially, close to LC, JavaScript.
>> 
>> https://www.redblobgames.com/grids/hexagons/


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Re: Tessellated hexagonal grid?

[Richard Gaskin via use-livecode]

David V Glasgow wrote:

> I had already worked through the ‘redblobgames’ resources, and it was
> the prospect of trying to implement a hex system in Livecode which was
> the gotcha.
>
> The frustrating thing is that the polygon object displays a nice
> scaleable hex - and yet it seems this is not a viable route?

I don't see why not.

There may be challenges if you have a very small tile size with many 
thousands of hexagons.  But you'd need quite a few before the object 
count would pose a difficulty.


Catan has only 19 tiles, and has captivated millions of minds for decades.

Even if you need several hundred, you'll likely find using LC's built-in 
hit-testing for those more efficient -- and certainly much easier to 
code -- than calculating boundaries arithmetically on the fly.


I started exploring hex grids myself a few months ago, in a rare evening 
of spare time.  Didn't come up with much worth sharing (I have no 
immediate need at the moment so I didn't spend much time with it), other 
than recognizing the value of a few key functions (finding bounding 
tiles, managing directional options, etc.) and gaining a healthy 
admiration for how much more straightforward this sort of work is made 
when using LC's native objects.


--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com

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Re: Tessellated hexagonal grid?

[Rick Harrison via use-livecode]

Great resource and read.

Thanks!

Rick

> On Jun 27, 2018, at 5:30 AM, hh via use-livecode 
>  wrote:
> 
> Here a rather complete guide to the "theory" with a link
> to implementation guides for several programming languages,
> especially, close to LC, JavaScript.
> 
> https://www.redblobgames.com/grids/hexagons/
> 
> 
> 
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Re: Tessellated hexagonal grid?

[Stephen Barncard via use-livecode]

"If I pretend I am a flat-earther, and that the earth I live on is
hexagonal, I want all those people who are
silly enough to believe that the world is spherical to fall off the
hexagonal earth at the vertices of the hexagon,
and not the vertices of some other polygonal shape that encloses my
hexagonal earth that's vertices are
not completely congruent with that hexagon.
​"

!!!
This concept should be in the constitution of every country in the world.
If they have one.

sqb​

--
Stephen Barncard - Sebastopol Ca. USA -
mixstream.org

On Wed, Jun 27, 2018 at 7:22 AM, Richmond Mathewson via use-livecode <
use-livecode@lists.runrev.com> wrote:

> One of the problems about any polygonal shape in LiveCode is that it still
> subsists inside a square/rectangle.
>
> That might seem like a crashingly obvious remark until one starts to
> consider how squares and how hexagons tesselate.
>
> And, even more to the point, how the human brain (and, face facts, most of
> the time we are likely to be dealing
> with either a square or hexagonal grid on a computer is because we want to
> "fool" humans into believing that
> what the screen presents them with is a square or hexagonal grid with all
> the functionality and meaning of
> square or hexagonal grids in the real world).
>
> If I pretend I am a flat-earther, and that the earth I live on is
> hexagonal, I want all those people who are
> silly enough to believe that the world is spherical to fall off the
> hexagonal earth at the vertices of the hexagon,
> and not the vertices of some other polygonal shape that encloses my
> hexagonal earth that's vertices are
> not completely congruent with that hexagon.
>
> I'm messing around with hexagons right now, and will post some of my
> thoughts in the Forum.
>
> Richmond.
>
>
>
> On 27/6/2018 1:42 pm, David V Glasgow via use-livecode wrote:
>
>> Thanks for all the responses regarding hexes.
>>
>> I had already worked through the ‘redblobgames’ resources, and it was the
>> prospect of trying to implement a hex system in Livecode which was the
>> gotcha.
>>
>> The frustrating thing is that the polygon object displays a nice
>> scaleable hex - and yet it seems this is not a viable route?  Why would SVG
>> be any better?  (thats not a lament or rhetorical question, I would be very
>> interested to know)
>>
>> Cheers
>>
>> David Glasgow
>>
>> On 27 Jun 2018, at 10:30 am, hh via use-livecode <
>>> use-livecode@lists.runrev.com> wrote:
>>>
>>> Here a rather complete guide to the "theory" with a link
>>> to implementation guides for several programming languages,
>>> especially, close to LC, JavaScript.
>>>
>>> https://www.redblobgames.com/grids/hexagons/
>>>
>>>
>>>
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>>>
>>
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Re: Tessellated hexagonal grid?

[Richmond Mathewson via use-livecode]

One of the problems about any polygonal shape in LiveCode is that it 
still subsists inside a square/rectangle.


That might seem like a crashingly obvious remark until one starts to 
consider how squares and how hexagons tesselate.


And, even more to the point, how the human brain (and, face facts, most 
of the time we are likely to be dealing
with either a square or hexagonal grid on a computer is because we want 
to "fool" humans into believing that
what the screen presents them with is a square or hexagonal grid with 
all the functionality and meaning of

square or hexagonal grids in the real world).

If I pretend I am a flat-earther, and that the earth I live on is 
hexagonal, I want all those people who are
silly enough to believe that the world is spherical to fall off the 
hexagonal earth at the vertices of the hexagon,
and not the vertices of some other polygonal shape that encloses my 
hexagonal earth that's vertices are

not completely congruent with that hexagon.

I'm messing around with hexagons right now, and will post some of my 
thoughts in the Forum.


Richmond.


On 27/6/2018 1:42 pm, David V Glasgow via use-livecode wrote:

Thanks for all the responses regarding hexes.

I had already worked through the ‘redblobgames’ resources, and it was the 
prospect of trying to implement a hex system in Livecode which was the gotcha.

The frustrating thing is that the polygon object displays a nice scaleable hex 
- and yet it seems this is not a viable route?  Why would SVG be any better?  
(thats not a lament or rhetorical question, I would be very interested to know)

Cheers

David Glasgow


On 27 Jun 2018, at 10:30 am, hh via use-livecode 
 wrote:

Here a rather complete guide to the "theory" with a link
to implementation guides for several programming languages,
especially, close to LC, JavaScript.

https://www.redblobgames.com/grids/hexagons/



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Re: Tessellated hexagonal grid?

[David V Glasgow via use-livecode]

Thanks for all the responses regarding hexes.  

I had already worked through the ‘redblobgames’ resources, and it was the 
prospect of trying to implement a hex system in Livecode which was the gotcha.  

The frustrating thing is that the polygon object displays a nice scaleable hex 
- and yet it seems this is not a viable route?  Why would SVG be any better?  
(thats not a lament or rhetorical question, I would be very interested to know)

Cheers

David Glasgow

> On 27 Jun 2018, at 10:30 am, hh via use-livecode 
>  wrote:
> 
> Here a rather complete guide to the "theory" with a link
> to implementation guides for several programming languages,
> especially, close to LC, JavaScript.
> 
> https://www.redblobgames.com/grids/hexagons/
> 
> 
> 
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Re: Tessellated hexagonal grid?

[hh via use-livecode]

Here a rather complete guide to the "theory" with a link
to implementation guides for several programming languages,
especially, close to LC, JavaScript.

https://www.redblobgames.com/grids/hexagons/



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Re: Tessellated hexagonal grid?

[Rick Harrison via use-livecode]

Hi David,

The old “Traveller” space game used to use hexes a lot.
Now that computers are so powerful you can do almost
anything.

Here’s an example using hexes.  Try zooming in and out.
Play around with the eye candy settings etc. It’s quite
impressive!

https://travellermap.com/?options=25591=45.2578125 
<https://travellermap.com/?options=25591=45.2578125>

Cheers,

Rick

> On Jun 25, 2018, at 5:46 AM, David V Glasgow via use-livecode 
>  wrote:
> 
> Quite a few old school (and a few newer) games use a tessellated hexagonal 
> grid.  Remember Railway Rivals, anyone?
> 
> I just started to play around with the idea of a grid using Livecode 
> polygons.  Specifically, a map that can grow organically by sprouting  hexes 
> at the edges.  I was surprised and disappointed to see how tricky it looks to 
> be to do 'on the fly’ i.e. creating and then aligning hexes.
> 
> 
> Has anyone else played around with this?  Any advice?  It seems to me that 
> the line of least resistance is to have a huge grid of ready tessellated 
> invisible hexes which can be shown as required.
> 
> 
> Best Wishes,
> David Glasgow
> 
> 
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Re: Tessellated hexagonal grid?

[Richmond via use-livecode]

I have fooled around with hexagons as well, and they have to be, either;

1. Hexagonal SVG widgets,

or

2, Hexagons embedded in transparent squares as PGN images - with the

inevitable consequence that if you start using INTERSECT you must be 
very careful


to set a transparency "trap" a bit like this:

*if intersect(img "firstHEX",img "secondHEX",5) then*


Richmond.


On 25.06.2018 12:46, David V Glasgow via use-livecode wrote:

Quite a few old school (and a few newer) games use a tessellated hexagonal 
grid.  Remember Railway Rivals, anyone?

I just started to play around with the idea of a grid using Livecode polygons.  
Specifically, a map that can grow organically by sprouting  hexes at the edges. 
 I was surprised and disappointed to see how tricky it looks to be to do 'on 
the fly’ i.e. creating and then aligning hexes.


Has anyone else played around with this?  Any advice?  It seems to me that the 
line of least resistance is to have a huge grid of ready tessellated invisible 
hexes which can be shown as required.


Best Wishes,
David Glasgow


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Tessellated hexagonal grid?

[David V Glasgow via use-livecode]

Quite a few old school (and a few newer) games use a tessellated hexagonal 
grid.  Remember Railway Rivals, anyone?

I just started to play around with the idea of a grid using Livecode polygons.  
Specifically, a map that can grow organically by sprouting  hexes at the edges. 
 I was surprised and disappointed to see how tricky it looks to be to do 'on 
the fly’ i.e. creating and then aligning hexes.


Has anyone else played around with this?  Any advice?  It seems to me that the 
line of least resistance is to have a huge grid of ready tessellated invisible 
hexes which can be shown as required.


Best Wishes,
David Glasgow


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