Class: Zyps::GameObject

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

Overview

An object in the virtual environment.

Direct Known Subclasses

Creature

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ GameObject

Takes a hash with these keys and defaults: :name => nil, :location => Location.new, :color => Color.new, :vector => Vector.new, :age => 0, :size => 1, :tags => []



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# File 'lib/zyps.rb', line 145

def initialize (options = {})
	options = {
		:name => nil,
		:location => Location.new,
		:color => Color.new,
		:vector => Vector.new,
		:age => 0,
		:size => 1,
		:tags => []
	}.merge(options)
	self.name, self.location, self.color, self.vector, self.age, self.size, self.tags = options[:name], options[:location], options[:color], options[:vector], options[:age], options[:size], options[:tags]
	@identifier = generate_identifier
end

Instance Attribute Details

#color ⇒ Object

A Color that will be used to draw the object.



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# File 'lib/zyps.rb', line 127

def color
  @color
end

#identifier ⇒ Object

A universal identifier for the object. Needed for DRb transmission, etc.



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# File 'lib/zyps.rb', line 123

def identifier
  @identifier
end

#location ⇒ Object

The object’s Location in space.



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# File 'lib/zyps.rb', line 125

def location
  @location
end

#name ⇒ Object

A String with the object’s name.



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# File 'lib/zyps.rb', line 133

def name
  @name
end

#size ⇒ Object

Radius of the object.



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# File 'lib/zyps.rb', line 129

def size
  @size
end

#tags ⇒ Object

An array of Strings with tags that determine how the object will be treated by Creature and EnvironmentalFactor objects in its environment.



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# File 'lib/zyps.rb', line 135

def tags
  @tags
end

#vector ⇒ Object

A Vector with the object’s current speed and direction of travel.



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# File 'lib/zyps.rb', line 131

def vector
  @vector
end

Instance Method Details

#age ⇒ Object

Time since the object was created, in seconds.



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# File 'lib/zyps.rb', line 181

def age; Time.new.to_f - @birth_time; end

#age=(age) ⇒ Object 



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# File 'lib/zyps.rb', line 182

def age=(age); @birth_time = Time.new.to_f - age; end

#copy ⇒ Object

Make a deep copy.



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# File 'lib/zyps.rb', line 160

def copy
	copy = self.clone
	copy.vector = @vector.copy
	copy.color = @color.copy
	copy.location = @location.copy
	copy.tags = @tags.clone
	copy.identifier = generate_identifier
	copy.name = @name ? "Copy of " + @name : nil
	copy
end

#move(elapsed_time) ⇒ Object

Move according to vector over the given number of seconds.



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# File 'lib/zyps.rb', line 175

def move (elapsed_time)
	@location.x += @vector.x * elapsed_time
	@location.y += @vector.y * elapsed_time
end