class ECS::World

• ECS::World
• Reference
• Object

Overview

Root level container for all entities / components, is iterated with ECS::Systems

Defined in:

Constructors

• .new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
• .new

  Creates empty world

Class Method Summary

• .from_yaml(&)

Instance Method Summary

• #add_yaml(io_or_string)
• #add_yaml(&)
• #all_of(*args, **options)

  Creates new Filter and adds a condition to it

• #all_of(*args, **options, &)

  Creates new Filter and adds a condition to it

• #any_of(*args, **options)

  Creates new Filter and adds a condition to it

• #any_of(*args, **options, &)

  Creates new Filter and adds a condition to it

• #component_exists?(typ)

  Returns true if at least one component of type typ exists in a world

• #decode(io)
• #delete_all(with_callbacks = false)

  Deletes all components and entities from the world

• #each_entity(& : Entity -> )

  Iterates over all entities

• #encode(io)
• #entities_capacity

  number of entities that could exist in a world before reallocation of pools

• #entities_count

  total number of alive entities in a world

• #exclude(*args, **options)

  Creates new Filter and adds a condition to it

• #exclude(*args, **options, &)

  Creates new Filter and adds a condition to it

• #inspect(io)
• #new_entity

  Creates new entity in a world context.

• #new_filter

  Creates new Filter.

• #of(*args, **options)

  Creates new Filter and adds a condition to it

• #of(*args, **options, &)

  Creates new Filter and adds a condition to it

• #query(typ)

  Returns SimpleFilter (stack-allocated) that can iterate over single component

• #stats(& : String, Int32 -> )

  Non-allocating version of #stats.

• #stats

  Returns Hash containing count of components world = init_benchmark_world(1000000) puts world.stats # prints {"Comp1" => 500000, "Comp2" => 333334, "Comp3" => 200000, "Comp4" => 142858, "Config" => 1}

• #to_yaml(yaml : YAML::Nodes::Builder) : Nil

Constructor Detail

Class Method Detail

Instance Method Detail

world = init_benchmark_world(1000000)
world.stats do |comp_name, value| 
  puts "#{comp_name}: #{value}" 
end

world = init_benchmark_world(1000000)
puts world.stats # prints {"Comp1" => 500000, "Comp2" => 333334, "Comp3" => 200000, "Comp4" => 142858, "Config" => 1}