diff options
Diffstat (limited to 'app/systems/rules/cohesion.rb')
| -rw-r--r-- | app/systems/rules/cohesion.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/app/systems/rules/cohesion.rb b/app/systems/rules/cohesion.rb new file mode 100644 index 0000000..7e33961 --- /dev/null +++ b/app/systems/rules/cohesion.rb @@ -0,0 +1,27 @@ +FF::Scn::BoidRules.add( + FF::Sys.new('BoidsCohesion', priority: 50) do + center_mass = [0.0, 0.0] + boids_count = FF::Cmp::BoidsCohesion.data.count + + FF::Cmp::BoidsCohesion.each do |cohesion| + boid = cohesion.entities[0].components[FF::Cmp::Boid][0] + center_mass[0] += boid.x + center_mass[1] += boid.y + #puts boid.x + #puts boid.y + end + + #puts center_mass + FF::Cmp::BoidsCohesion.each do |cohesion| + boid_update = cohesion.entities[0].components[FF::Cmp::Boid][0] + 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.strength.to_i + boid_update.cy += (move_boid[1] - boid_update.y) / cohesion.strength.to_i + end + end +) |