Class: VectorSalad::StandardShapes::Heart

Inherits:

BasicShape

• Object
• BasicShape
• VectorSalad::StandardShapes::Heart

show all

Defined in:

lib/vector_salad/standard_shapes/heart.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) options inherited from BasicShape

  Returns the value of attribute options.

Instance Method Summary (collapse)

• - (Heart) initialize(size, **options) constructor

  Create a perfect heart.

• - (Object) to_path

  Convert the shape to a path.

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# File 'lib/vector_salad/standard_shapes/heart.rb', line 11

def initialize(size, **options)
  r = size / 4 # two circles next to each other
  r2 = Math.sqrt(2 * r**2)
  the_little_bit = r2 - r
  the_long_one = size + 2 * the_little_bit
  l = Math.sqrt(the_long_one**2 / 2) - r

  @shape = Union.new(**options) do
    circle(r)[-r, 0]
    circle(r)[r, 0]
    difference do
      square(l)[-l / 2, -l / 2].rotate(45).move(0, r2 / 2)
      square(l * 2)[-l, -l * 2]
    end
  end
  self
end

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# File 'lib/vector_salad/standard_shapes/heart.rb', line 30

def to_path
  @shape
end