docs: add Changelog (#2)

* docs: add Changelog

* docs: add Changelog

CHANGELOG.md

@@ -0,0 +1,16 @@
+### Frontier.rb v0.0.1
+
+- Docs: add changelog ([#2](https://github.com/q9f/frontier.rb/pulls/2))
+- Ci: enable github actions ([#1](https://github.com/q9f/frontier.rb/pulls/1))
+- Examples: add distance script
+- Examples: add progress tracking
+- Docs: clarify limitations
+- Graph: fix edge case for missing vertices
+- Gem: add usage example
+- Graph: use dijkstra's algorithm for path finding
+- Coords: add class to handle 3d coordinates in space
+- Frontier: add version 0.0.1
+- Coords: Fix coords spec
+- Star: add struct for handling star systems
+- Coords: add class to handle 3d coordinates in space
+- Initial commit for the Frontier library

README.md

@@ -8,7 +8,7 @@ Limitations:
 - path finding on 24k star systems can hit the limits of Ruby (SystemStackError: stack level too deep), try running shorter queries over less distance and combine the results
 
 ## Installation
-The gem is not published yet, but yuo can install it locally:
+The gem is not published yet, but you can install it locally:
 
 ```
 git clone https://github.com/q9f/frontier.rb
@@ -27,21 +27,30 @@ require "frontier"
 include Frontier
 ```
 
-### Shortest path between two star systems
-Get the shortest path between `D:S299` and `Y:1SII`.
+### Direct distance between two star systems
+Get the direct distance between `D:S299` and `Y:1SII`.
 
 ```ruby
-best_smart_gate_path = UNIVERSE_GRAPH.shortest_path("D:S299", "Y:1SII")
+direct_distance = ALL_STARS["D:S299"].distance_ly(ALL_STARS["Y:1SII"])
 ```
 
 See [examples/](./examples/) for usage and options to fine-tune.
 
-```ruby
+```bash
 ❯ ruby examples/distance.rb "D:S299" "Y:1SII"
 1974.926982542737
 ```
 
+### Shortest jump-path between two star systems
+Get the shortest path between `D:S299` and `Y:1SII`.
+
 ```ruby
+best_smart_gate_path = UNIVERSE_GRAPH.shortest_path("D:S299", "Y:1SII")
+```
+
+See [examples/](./examples/) for usage and options to fine-tune.
+
+```bash
 ❯ ruby examples/pathfinder.rb
 Mapping all star systems ...    done.
 Building universe graph ...    done.
@@ -51,6 +60,16 @@ Building universe graph ...    done.
  "dist"=>1978.63507044974}
 ```
 
+### Frontier console
+
+Run the console to make ad-hoc computations on the command line:
+
+```bash
+❯ ./bin/console
+[1] pry(main)> g = Graph.new
+=> #<Frontier::Graph:0x0000791d610ca920 @graph={}, @nodes=#<Set: {}>>
+```
+
 ## Testing
 To run tests, simply use `rspec`.
 

examples/distance.rb

@@ -37,7 +37,7 @@
     c_id += 1
   end
 
-  # Distance between "D:S299" to "Y:1SII"
-  distance = ALL_STARS["D:S299"].distance_ly(ALL_STARS["Y:1SII"])
-  pp distance
+  # Direct distance between "D:S299" to "Y:1SII"
+  direct_distance = ALL_STARS["D:S299"].distance_ly(ALL_STARS["Y:1SII"])
+  pp direct_distance
 end