Class: Box2D::Handle

Inherits:
Object
  • Object
show all
Defined in:
lib/box2d/handle.rb

Direct Known Subclasses

Body, Chain, Joint, Shape

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(world, id) ⇒ Handle

Returns a new instance of Handle.



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# File 'lib/box2d/handle.rb', line 7

def initialize(world, id)
  @world = world
  @id = ValueConversion.copy_struct(self.class::ID_CLASS, id)
  @key = ValueConversion.id_key(@id)
  @destroyed = false
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/box2d/handle.rb', line 5

def id
  @id
end

#world ⇒ Object (readonly)

Returns the value of attribute world.



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# File 'lib/box2d/handle.rb', line 5

def world
  @world
end

Instance Method Details

#destroyed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/box2d/handle.rb', line 18

def destroyed?
  !valid?
end

#eql?(other) ⇒ Boolean Also known as: ==

Returns:

  • (Boolean) 


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# File 'lib/box2d/handle.rb', line 26

def eql?(other)
  other.instance_of?(self.class) && other.world.equal?(@world) && other.key == @key
end

#hash ⇒ Object 



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# File 'lib/box2d/handle.rb', line 22

def hash
  [self.class, @world.object_id, @key].hash
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/box2d/handle.rb', line 14

def valid?
  !@destroyed && @world.valid? && native_valid?
end