Class: Skia::Point

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x = 0.0, y = 0.0) ⇒ Point 



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# File 'lib/skia/point.rb', line 7

def initialize(x = 0.0, y = 0.0)
  @x = x.to_f
  @y = y.to_f
end

Instance Attribute Details

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/skia/point.rb', line 5

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/skia/point.rb', line 5

def y
  @y
end

Class Method Details

.from_struct(struct) ⇒ Object 



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# File 'lib/skia/point.rb', line 12

def self.from_struct(struct)
  new(struct[:x], struct[:y])
end

Instance Method Details

#*(other) ⇒ Object 



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# File 'lib/skia/point.rb', line 31

def *(other)
  self.class.new(@x * other, @y * other)
end

#+(other) ⇒ Object 



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# File 'lib/skia/point.rb', line 23

def +(other)
  self.class.new(@x + other.x, @y + other.y)
end

#-(other) ⇒ Object 



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# File 'lib/skia/point.rb', line 27

def -(other)
  self.class.new(@x - other.x, @y - other.y)
end

#-@ ⇒ Object 



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# File 'lib/skia/point.rb', line 39

def -@
  self.class.new(-@x, -@y)
end

#/(other) ⇒ Object 



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# File 'lib/skia/point.rb', line 35

def /(other)
  self.class.new(@x / other, @y / other)
end

#==(other) ⇒ Object 



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# File 'lib/skia/point.rb', line 54

def ==(other)
  return false unless other.is_a?(Point)

  @x == other.x && @y == other.y
end

#length ⇒ Object 



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# File 'lib/skia/point.rb', line 43

def length
  Math.sqrt(@x * @x + @y * @y)
end

#normalize ⇒ Object 



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# File 'lib/skia/point.rb', line 47

def normalize
  len = length
  return self.class.new(0, 0) if len.zero?

  self / len
end

#to_a ⇒ Object 



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# File 'lib/skia/point.rb', line 60

def to_a
  [@x, @y]
end

#to_struct ⇒ Object 



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# File 'lib/skia/point.rb', line 16

def to_struct
  struct = Native::SKPoint.new
  struct[:x] = @x
  struct[:y] = @y
  struct
end