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| author | realtradam <[email protected]> | 2021-08-09 09:15:38 -0400 |
|---|---|---|
| committer | realtradam <[email protected]> | 2021-08-09 09:15:38 -0400 |
| commit | 501ec02e894865836f2960b0bbc16b3448e3707f (patch) | |
| tree | ad2c1124e5ab5807dea1b11002cc5bf2df1226d9 /lib/rules/cohesion.rb | |
| parent | 4e909c6b44794b76ef3a98c032ea90204b673f85 (diff) | |
| download | ruboids-501ec02e894865836f2960b0bbc16b3448e3707f.tar.gz ruboids-501ec02e894865836f2960b0bbc16b3448e3707f.zip | |
ruboids!
Diffstat (limited to 'lib/rules/cohesion.rb')
| -rw-r--r-- | lib/rules/cohesion.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/rules/cohesion.rb b/lib/rules/cohesion.rb new file mode 100644 index 0000000..efbd71d --- /dev/null +++ b/lib/rules/cohesion.rb @@ -0,0 +1,21 @@ +FF::Sys.new('Cohesion', priority: 50) do + + center_mass = [0.0,0.0] + boids_count = FF::Cmp::Boids.each.to_a.count + + FF::Cmp::Boids.each do |boid| + center_mass[0] += boid.x + center_mass[1] += boid.y + end + + FF::Cmp::Boids.each do |boid_update| + move_boid = center_mass.dup + move_boid[0] -= boid_update.x + move_boid[1] -= boid_update.y + move_boid[0] /= boids_count - 1.0 + move_boid[1] /= boids_count - 1.0 + + boid_update.cx += (move_boid[0] - boid_update.x) / $cohesion + boid_update.cy += (move_boid[1] - boid_update.y) / $cohesion + end +end |