Class: TweenWrapper

Inherits:
Object show all
Defined in:
lib/gamebox/core/tween_wrapper.rb

Instance Method Summary collapse

Constructor Details

#initialize(actor, property_targets, time, style) ⇒ TweenWrapper

Returns a new instance of TweenWrapper.



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# File 'lib/gamebox/core/tween_wrapper.rb', line 3

def initialize(actor, property_targets, time, style)
  @actor = actor
  @actor.when :remove_me, &method(:cancel!)
  @props = property_targets.keys
  initial_values = @props.map{|pr|actor.send(pr)}
  target_values = @props.map{|pr|property_targets[pr]}
  @tween = Tween.new(initial_values, target_values, style, time)
end

Instance Method Details

#cancel! ⇒ Object 



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# File 'lib/gamebox/core/tween_wrapper.rb', line 20

def cancel!
  @cancel = true
end

#done? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gamebox/core/tween_wrapper.rb', line 24

def done?
  @tween.done || @cancel
end

#update(time) ⇒ Object 



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# File 'lib/gamebox/core/tween_wrapper.rb', line 12

def update(time)
  @tween.update time
  @props.each.with_index do |prop, i|
    # maybe use update_attributes instead?
    @actor.send("#{prop}=", @tween[i])
  end
end