Class: Tetris::Model::Block

Inherits:
Object
  • Object
show all
Defined in:
lib/glimmer-dsl-opal/samples/elaborate/tetris/model/block.rb

Constant Summary collapse

COLOR_CLEAR = 
:white

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(color = COLOR_CLEAR) ⇒ Block

Initializes with color. Default color (gray) signifies an empty block



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# File 'lib/glimmer-dsl-opal/samples/elaborate/tetris/model/block.rb', line 30

def initialize(color = COLOR_CLEAR)
  @color = color
end

Instance Attribute Details

#color ⇒ Object

Returns the value of attribute color.



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# File 'lib/glimmer-dsl-opal/samples/elaborate/tetris/model/block.rb', line 27

def color
  @color
end

Instance Method Details

#clear ⇒ Object

Clears block color. ‘quietly` option indicates if it should not notify observers by setting value quietly via variable not attribute writer.



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# File 'lib/glimmer-dsl-opal/samples/elaborate/tetris/model/block.rb', line 35

def clear
  self.color = COLOR_CLEAR unless self.color == COLOR_CLEAR
end

#clear? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer-dsl-opal/samples/elaborate/tetris/model/block.rb', line 39

def clear?
  self.color == COLOR_CLEAR
end

#occupied? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer-dsl-opal/samples/elaborate/tetris/model/block.rb', line 43

def occupied?
  !clear?
end