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- lib/rubygame/event_triggers.rb

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- #match?

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No matching classes.

# Rubygame::EventTriggers::AttrTrigger

AttrTrigger is an event trigger which fires when an event has the expected value(s) for one or more attributes.

AttrTrigger stores a Hash of :attr => value pairs, and checks each event to see if event.attr returns value. If all attributes have the expected value, the trigger fires.

### Public Class Methods

new( attributes ) click to toggle source

Initialize a new instance of AttrTrigger with a Hash of one or more :attr => value pairs.

attributes | The attributes / value pairs to check. (Hash, required)

Example:

    # Matches if event.color returns :red and
    # event.size returns :big
    AttrTrigger.new( :color => :red, :size => :big )

    # File lib/rubygame/event_triggers.rb, line 193
    def initialize( attributes )
            @attributes = attributes
    end

### Public Instance Methods

match?( event ) click to toggle source

Returns true if, for every :attr => value pair, the event responds to :attr and calling event.attr returns value.

Returns false if any of the attributes is not the expected value.

    # File lib/rubygame/event_triggers.rb, line 202
    def match?( event )
            @attributes.all? { |key, value|
                    event.respond_to?(key) and (event.send(key) == value)
            }
    end

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