Module: Rectangle

Includes:

Dimensions

Defined in:

tomes/spells/geometry/rectangle.rb

Overview

A module for giving an object the properties of a rectangle.

Instance Attribute Summary

Attributes included from Size

#height, #width

Attributes included from Location

#x, #y

Instance Method Summary

• #area ⇒ Integer

  Calculates the area of this rectangle.

• #hypotenuse ⇒ Integer

  Calculates the hypotenuse of this rectangle’s diagonal.

• #perimeter ⇒ Integer

  Calculates the perimeter of this rectangle.

Methods included from Dimensions

#change_dimensions, #dimensions, #rect

Methods included from Center

#horizontal_center, #true_center, #vertical_center

Methods included from Apex

#apex, #apex_x, #apex_y

Methods included from Size

#adjust_size, #size, #size=

Methods included from Location

#adjust_location, #location, #location=

Instance Method Details

#area ⇒ Integer

Calculates the area of this rectangle.

Returns:

• (Integer)

# File 'tomes/spells/geometry/rectangle.rb', line 17

def area
  width * height
end

#hypotenuse ⇒ Integer

Calculates the hypotenuse of this rectangle’s diagonal.

Returns:

• (Integer)

# File 'tomes/spells/geometry/rectangle.rb', line 23

def hypotenuse
  Math.sqrt((width**2) + (height**2)).round(0o2)
end

#perimeter ⇒ Integer

Calculates the perimeter of this rectangle.

Returns:

• (Integer)

# File 'tomes/spells/geometry/rectangle.rb', line 11

def perimeter
  (width * 2) + (height * 2)
end