sketchup-sugar.rb

Sketchup.send_action('showRubyPanel:')

$m = Sketchup.active_model
$s = Sketchup.active_model.selection
$v = Sketchup.active_model.active_view
$c = Sketchup.active_model.active_view.camera

def dcross(*a)
  opt = a.last.is_a?(Hash) ? a.pop : {}
  new_group = $m.entities.add_group
  new_group.name = 'DEBUG'

  len = opt[:l] || 100.mm
  draw_cross = lambda { |p|
    p1 = p.offset(X_AXIS, len)
    p2 = p.offset(X_AXIS, -len)
    p3 = p.offset(Y_AXIS, len)
    p4 = p.offset(Y_AXIS, -len)

    new_group.entities.add_line(p1, p2)
    new_group.entities.add_line(p3, p4)
  }

  a.each(&draw_cross)
end

def dcircle(*a)
  opt = a.last.is_a?(Hash) ? a.pop : {}
  new_group = $m.entities.add_group
  new_group.name = 'DEBUG'

  r = opt[:l] || 100.mm
  n = opt[:n] || 8
  draw_circle = lambda { |p|
    arr = [2 * Math::PI / n] * n
    arr = arr.map.with_index { |v, i| v * i }
    pts = arr.map { |t|
      [
        p[0] + r*Math.cos(t),
        p[1] + r*Math.sin(t),
        p[2]
      ]
    }

    new_group.entities.add_line(*(pts + [pts.first]))
  }

  a.each(&draw_circle)
end