Class: Nyan::Stage

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

Constant Summary collapse

SPACE = 
"\x20"
NOTHING = 
""

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Shape

#inside?, #outside?

Constructor Details

#initialize(options = {}) ⇒ Stage

Returns a new instance of Stage.



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# File 'lib/nyan/stage.rb', line 10

def initialize(options = {})
  @output   = options.fetch(:output, $stdout)
  @height   = options.fetch(:height, ANSI::Terminal.terminal_height)
  @width    = options.fetch(:width, ANSI::Terminal.terminal_width)
  @coloured = options.fetch(:coloured, true)
  clear_buffer
end

Instance Attribute Details

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/nyan/stage.rb', line 8

def height
  @height
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/nyan/stage.rb', line 8

def output
  @output
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/nyan/stage.rb', line 8

def width
  @width
end

Instance Method Details

#add_sprite(sprite) ⇒ Object 



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# File 'lib/nyan/stage.rb', line 22

def add_sprite(sprite)
  self.sprites.push(sprite)
end

#animate! ⇒ Object 



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# File 'lib/nyan/stage.rb', line 42

def animate!
  sprites.each { |s| s.animate! }
end

#bottom ⇒ Object 



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# File 'lib/nyan/stage.rb', line 54

def bottom
  height - 1
end

#clean! ⇒ Object 



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# File 'lib/nyan/stage.rb', line 46

def clean!
  sprites.delete_if { |s| s.outside?(self) }
end

#coloured? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nyan/stage.rb', line 66

def coloured?
  @coloured
end

#left ⇒ Object 



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# File 'lib/nyan/stage.rb', line 58

def left
  0
end

#play! ⇒ Object 



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# File 'lib/nyan/stage.rb', line 30

def play!
  render
  animate!
  clean!
end

#remove_sprite(sprite) ⇒ Object 



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# File 'lib/nyan/stage.rb', line 26

def remove_sprite(sprite)
  self.sprites.delete(sprite)
end

#render ⇒ Object 



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

def render
  clear_buffer
  sprites.sort.each { |s| write_to_buffer(s) }
  print_buffer
end

#right ⇒ Object 



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# File 'lib/nyan/stage.rb', line 62

def right
  width - 1
end

#sprites ⇒ Object 



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# File 'lib/nyan/stage.rb', line 18

def sprites
  @sprites ||= []
end

#top ⇒ Object 



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# File 'lib/nyan/stage.rb', line 50

def top
  0
end