Halfmax: Difference between revisions
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|[[Image:Halfmax_v2.png|framed|left|The earliest version of halfmax, found by Jason Summers<br />{{JavaRLE|halfmaxv2|brief}}]] | |[[Image:Halfmax_v2.png|framed|left|The earliest version of halfmax, found by Jason Summers<br />{{JavaRLE|halfmaxv2|brief}}]] | ||
|[[Image:Halfmax_v3.png|framed|left|The next version of halfmax, found by [[Hartmut Holzwart]]<br />{{JavaRLE|halfmaxv3|brief}}]] | |[[Image:Halfmax_v3.png|framed|left|The next version of halfmax, found by [[Hartmut Holzwart]]<br />{{JavaRLE|halfmaxv3|brief}}]] | ||
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==Videos== | |||
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|{{#ev:youtube|X-Q-TjgQhJg|300|left|Halfmax expanding over about 200 generations}} | |||
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Revision as of 13:39, 11 July 2010
| Halfmax | |||||||
| View static image | |||||||
| Pattern type | Spacefiller | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 904 | ||||||
| Bounding box | 65 × 80 | ||||||
| Static symmetry | Unspecified | ||||||
| Discovered by | Jason Summers | ||||||
| Year of discovery | 2005 | ||||||
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Halfmax (or half-spacefiller[1]) is a pattern that acts as a spacefiller in half of the Life plane. It was found by Jason Summers in May 2005. It expands in three directions at c/2, producing a triangular region that grows to fill half the plane. All previoiusly-known spacefillers had been diamond-shaped, expanding at c/2 in all four cardinal directions to fill the entire plane.[2]
The version shown to the right was found by Summers on May 21, 2005. Two less compact versions, shown below, were also found earlier that same month.
Image gallery
 |
 RLE: here |
 RLE: here |
Videos
See also
References
- ↑ Jason Summers' jslife pattern collection.
- ↑ Dave Greene (May 9, 2005). "Extensible Wickstretchers and HALFMAX". Game of Life News. Retrieved on May 26, 2009.