Class: Nyan::Sprite

Inherits:
Object
  • Object
show all
Includes:
Shape
Defined in:
lib/nyan/sprite.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Shape

#inside?, #outside?

Constructor Details

#initialize(options = {}, &blk) ⇒ Sprite

Returns a new instance of Sprite.



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# File 'lib/nyan/sprite.rb', line 9

def initialize(options = {}, &blk)
  @options = options
  self.x = @options.fetch(:x, 0)
  self.y = @options.fetch(:y, 0)
  self.z = @options.fetch(:z, 0)
  self.frames      = @options.fetch(:frames, [])
  self.frame_index = @options.fetch(:frame_index, 0)
  @blk = blk || @options[:animation]
end

Instance Attribute Details

#blk ⇒ Object (readonly)

Returns the value of attribute blk.



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# File 'lib/nyan/sprite.rb', line 7

def blk
  @blk
end

#frame_index ⇒ Object

Returns the value of attribute frame_index.



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# File 'lib/nyan/sprite.rb', line 6

def frame_index
  @frame_index
end

#frames ⇒ Object

Returns the value of attribute frames.



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# File 'lib/nyan/sprite.rb', line 6

def frames
  @frames
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/nyan/sprite.rb', line 6

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/nyan/sprite.rb', line 6

def y
  @y
end

#z ⇒ Object

Returns the value of attribute z.



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# File 'lib/nyan/sprite.rb', line 6

def z
  @z
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 56

def <=>(other)
  z <=> other.z
end

#animate! ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 27

def animate!
  self.frame_index = (self.frame_index + 1) % frames.length
  self.instance_eval(&blk) if blk
end

#bottom ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 44

def bottom
  y + height
end

#frame ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 19

def frame
  frames[frame_index]
end

#height ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 32

def height
  @height ||= frame.lines.count
end

#left ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 48

def left
  x
end

#lines ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 23

def lines
  frame.lines    
end

#right ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 52

def right
  x + width
end

#top ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 40

def top
  y
end

#width ⇒ Object 



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# File 'lib/nyan/sprite.rb', line 36

def width
  @width ||= frame.lines.map { |l| l.chomp.unansi.length }.max
end