Class: Nimo::Intersection

Inherits:
Object show all
Defined in:
lib/nimo/utils/intersection.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x, y, width, height) ⇒ Intersection

Returns a new instance of Intersection.



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# File 'lib/nimo/utils/intersection.rb', line 6

def initialize(x, y, width, height)
  @x = x
  @y = y
  @width = width
  @height = height
end

Instance Attribute Details

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/nimo/utils/intersection.rb', line 4

def height
  @height
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/nimo/utils/intersection.rb', line 4

def width
  @width
end

#x ⇒ Object (readonly)

Returns the value of attribute x.



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# File 'lib/nimo/utils/intersection.rb', line 4

def x
  @x
end

#y ⇒ Object (readonly)

Returns the value of attribute y.



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# File 'lib/nimo/utils/intersection.rb', line 4

def y
  @y
end

Class Method Details

.between(obj1, obj2) ⇒ Object 



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# File 'lib/nimo/utils/intersection.rb', line 13

def self.between(obj1, obj2)
  x = [obj1.x, obj2.x].max
  y = [obj1.y, obj2.y].max
  width = [obj1.x + obj1.width, obj2.x + obj2.width].min - x
  height = [obj1.y + obj1.height, obj2.y + obj2.height].min - y
  return Intersection.new(x, y, width, height)
end

Instance Method Details

#collistion_side_for(obj) ⇒ Object 



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# File 'lib/nimo/utils/intersection.rb', line 21

def collistion_side_for(obj)
  if @width >= @height
    return obj.center.y > (@y + (@height/2)) ? :top : :bottom
  else
    return obj.center.x > (@x + (@width/2)) ? :left : :right
  end
end