Class: Floorplanner::Opening3D

Inherits:
Geom::TriangleMesh show all
Defined in:
lib/floorplanner/opening3d.rb

Constant Summary collapse

TYPE_DOOR = 
1
TYPE_WINDOW = 
2

Instance Attribute Summary collapse

Attributes inherited from Geom::TriangleMesh

#data, #faces, #meshes, #tess, #texcoord, #vertices

Instance Method Summary collapse

Methods inherited from Geom::TriangleMesh

#<<, #bounding_box, #merge, #reverse, #transform_vertices, #update

Constructor Details

#initialize(baseline, thickness, opening) ⇒ Opening3D

Returns a new instance of Opening3D.



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# File 'lib/floorplanner/opening3d.rb', line 9

def initialize(baseline,thickness,opening)
  super()
  base_z    = opening[:position].z
  @position = baseline.snap(opening[:position])
  @type     = opening[:type]
  @size     = opening[:size]
  dir = baseline.direction
  angle  = Math.atan2(dir.y,dir.x)
  width  = opening[:size].x

  case @type
  when TYPE_DOOR
    @position.z = 0.01
    height = @size.z == 0 ? Floorplanner.config['openings']['door_height'] : @size.z
  else
    @position.z = base_z == 0 ? Floorplanner.config['openings']['window_base'] : base_z
    height = @size.z == 0 ? Floorplanner.config['openings']['window_height'] : @size.z
  end

  v1 = Geom::Vertex.new(-width/2,0,0)
  v2 = Geom::Vertex.new( width/2,0,0)
  o_base = Geom::Edge.new(v1,v2)

  # create opening side
  o_inner = o_base.offset(thickness/2.0,Wall3D::UP)
  o_outer = o_base.offset(-thickness/2.0,Wall3D::UP)

  @base = Geom::Polygon.new([
    o_inner.end_point, o_inner.start_point,
    o_outer.start_point  , o_outer.end_point
  ])

  # rotate in wall's direction
  @base.transform_vertices(Geom::Matrix3D.rotationZ(angle))
  # move to position
  @base.transform_vertices(Geom::Matrix3D.translation(@position.x,@position.y,@position.z))

  extrusion = @base.extrude(height,Wall3D::UP,nil,false)

  # delete sides
  extrusion.delete_at(0)
  extrusion.delete_at(1)

  # flip top cap
  extrusion.last.reverse

  @meshes << @base
  @meshes.concat(extrusion)

  # create glass
  if @type == TYPE_WINDOW
    g_inner = o_base.offset( 0.02, Wall3D::UP)
    g_outer = o_base.offset(-0.02, Wall3D::UP)

    glass_base = Geom::Polygon.new([
      g_inner.end_point, g_inner.start_point,
      g_outer.start_point  , g_outer.end_point
    ])

    # rotate in wall's direction
    glass_base.transform_vertices(Geom::Matrix3D.rotationZ(angle))
    # move to position
    glass_base.transform_vertices(Geom::Matrix3D.translation(@position.x,@position.y,@position.z))

    extrusion = glass_base.extrude(height,Wall3D::UP,nil,false)

    # flip base cap
    glass_base.reverse

    @window = Geom::TriangleMesh.new
    @window.meshes.concat extrusion
    @window << glass_base
    @window.update
  end
end

Instance Attribute Details

#position ⇒ Object

Returns the value of attribute position.



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# File 'lib/floorplanner/opening3d.rb', line 7

def position
  @position
end

#window ⇒ Object

Returns the value of attribute window.



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# File 'lib/floorplanner/opening3d.rb', line 7

def window
  @window
end

Instance Method Details

#drill(mesh, outer) ⇒ Object

drill hole to sides



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# File 'lib/floorplanner/opening3d.rb', line 86

def drill(mesh,outer)
  side = outer ? mesh.meshes.first : mesh.meshes.last

  # opening start
  t1   = @meshes.first.vertices[outer ? 0 : 3].clone
  t1.z = side.vertices[0].z
  t1b  = @meshes[3].vertices[outer ? 0 : 3]

  b1   = @meshes.first.vertices[outer ? 0 : 3].clone
  b1.z = side.vertices[2].z
  b1t  = @meshes.first.vertices[outer ? 0 : 3]

  # opening end
  t2   = @meshes.first.vertices[outer ? 1 : 2].clone
  t2.z = side.vertices[0].z
  t2b  = @meshes[3].vertices[outer ? 1 : 2]

  b2   = @meshes.first.vertices[outer ? 1 : 2].clone
  b2.z = side.vertices[2].z
  b2t  = @meshes.first.vertices[outer ? 1 : 2]

  # old side vertices
  ot = side.vertices[1]
  ob = side.vertices[2]
  side.vertices[1] = outer ? t2 : t1
  side.vertices[2] = outer ? b2 : b1

  # polygon above opening
  op_top = Geom::Polygon.new
  if outer
    op_top.vertices.push(t2,t1,t1b,t2b)
  else
    op_top.vertices.push(t1,t2,t2b,t1b)
  end

  # polygon below opening
  op_bot = Geom::Polygon.new
  if outer
    op_bot.vertices.push(b2t,b1t,b1,b2)
  else
    op_bot.vertices.push(b1t,b2t,b2,b1)
  end

  rest = Geom::Polygon.new
  if outer
    rest.vertices.push(t1,ot,ob,b1)
  else
    rest.vertices.push(t2,ot,ob,b2)
  end

  mesh.meshes.push(op_top)
  mesh.meshes.push(op_bot)
  mesh.meshes.push(rest)
end