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Versions: 12
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Contents
require 'matrix'
require_relative '../base_element'
module GridGenerator
module Skewb
class ElementFactory
def initialize(grid_x:, grid_y:, row_num:, col_num:, side_size:, units:, colour:, opacity:)
@grid_x, @grid_y = grid_x, grid_y
@row_num, @col_num = row_num, col_num
@side_size, @units = side_size, units
@colour, @opacity = colour, opacity
end
attr_reader :grid_x, :grid_y, :row_num, :col_num, :side_size, :units, :colour, :opacity
def offset
@offset ||= Matrix.column_vector([grid_x, grid_y])
end
def points
_points = case [row_num, col_num]
when [0, 0] # top left corner
[
anchors[:top_left_corner],
anchors[:top_middle],
anchors[:left_middle]
]
when [0, 1] # top right corner
[
anchors[:top_middle],
anchors[:top_right_corner],
anchors[:right_middle]
]
when [1, 0] # center
[
anchors[:top_middle],
anchors[:right_middle],
anchors[:bottom_middle],
anchors[:left_middle]
]
when [2, 0] # bottom left corner
[
anchors[:left_middle],
anchors[:bottom_middle],
anchors[:bottom_left_corner]
]
when [2, 1] # bottom right corner
[
anchors[:right_middle],
anchors[:bottom_right_corner],
anchors[:bottom_middle]
]
else
[]
end
_points.map { |p| p + offset }
end
def build
GridGenerator::BaseElement.new(points: points, colour: colour, opacity: opacity)
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems