# frozen_string_literal: true

Dir[File.join(__dir__, 'wrappers', '*.rb')].sort.each { |file| require file }

# Handles rendering objects relative
# to a camera location
module Camera
  class <<self

    private
    # Contains all objects that are tracked
    def objects
      @objects ||= []
    end
  end

  def self.debug_x
    @debug_x ||= 0
  end

  def self.debug_x=(debug_x)
    @debug_x = debug_x
  end

  def self.debug_y
    @debug_y ||= 0
  end

  def self.debug_y=(debug_y)
    @debug_y = debug_y
  end

  # Adding objects so they are
  # tracked by the Camera
  def self.<<(item)
    case item
    when Triangle
      item.extend Camera::TriangleWrapped
      puts item.class
    when Square
      item.extend Camera::SquareWrapped
    when Quad
      item.extend Camera::QuadWrapped
    when Line
      item.extend Camera::LineWrapped
    when Circle
      item.extend Camera::CircleWrapped
    when Image
      item.extend Camera::ImageWrapped
    when Sprite
      item.extend Camera::SpriteWrapped
    when Text
      item.extend Camera::TextWrapped
    else
      puts 'Warning: Non-standard Object added to Camera'
      puts 'Object may not behave as expected'
    end
    objects.push(item) unless objects.include?(item)
  end

  # Redraw all objects that
  # are tracked by the Camera
  def self.update
    objects.each(&:update)
  end

  # Variables changing Camera properties
  def self._x(x)
    @x += x
  end

  def self._y(y)
    @y += y
  end

  def self.x
    @x ||= 0
  end

  def self.x=(x)
    @x = x
  end

  def self.y
    @y ||= 0
  end

  def self.y=(y)
    @y = y
  end

  def self.zoom
    @zoom ||= 1.0
  end

  def self.zoom=(zoom)
    @zoom = zoom
  end

  def self.angle
    @angle ||= 0
  end

  def self.angle=(angle)
    angle %= 360
    @angle = angle
  end
end