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Broke everything
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6
lib/wavefront/material.rb
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6
lib/wavefront/material.rb
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class IMICFPS
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class Wavefront
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class Material
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end
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end
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end
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200
lib/wavefront/model.rb
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200
lib/wavefront/model.rb
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class IMICFPS
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class Wavefront
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class Model
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include GL
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include GLU
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TextureCoordinate = Struct.new(:u, :v, :weight)
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Vertex = Struct.new(:x, :y, :z, :weight)
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Color = Struct.new(:red, :green, :blue)
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attr_accessor :objects, :vertexes, :texures, :normals, :faces
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def initialize(object = "objects/cube.obj")
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@object_path = object
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@file = File.open(object, 'r')
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@material_file = nil
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@current_object= nil
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@vertex_count = 0
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@objects = []
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@color = Color.new(0.5, 0.5, 0.5)
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@verts = []
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@norms = []
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parse
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vertex_count = 0
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face_count = 0
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@objects.each {|o| face_count+=o.vertexes.count}
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puts "vertexes count: #{@vertex_count} Objects: #{face_count}"
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form_faces
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@objects.each do |o|
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puts "LLF-#{o.faces.size}"
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end
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end
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def draw
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glEnable(GL_CULL_FACE)
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glEnable(GL_COLOR_MATERIAL)
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glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE)
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glBegin(GL_TRIANGLES) # begin drawing model
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@objects.each do |o|
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puts "LL..#{o.faces.size}"
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o.faces.each do |vert|
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vertex = vert[0]
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normal = vert[1]
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glColor3f(@color.red, @color.green, @color.blue)
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glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, [@color.red, @color.green, @color.blue, 1.0])
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glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, [@color.red, @color.green, @color.blue, 1.0])
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glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, [1,1,1,1])
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glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, [10.0])
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glNormal3f(normal.x, normal.y, normal.z)
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glVertex3f(vertex.x, vertex.y, vertex.z)
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end
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glEnd
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glDisable(GL_CULL_FACE)
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glDisable(GL_COLOR_MATERIAL)
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end
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end
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def parse
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lines = 0
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@file.each_line do |line|
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lines+=1
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line = line.strip
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array = line.split(' ')
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case array[0]
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when 'mtllib'
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@material_file = array[1]
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parse_mtllib
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when 'usemtl'
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# PI*(r*r)
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set_material(array[1])
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when 'o'
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change_object(array[1])
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when 'v'
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add_vertex(array)
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when 'vt'
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add_texture_coordinate(array)
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when 'vn'
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add_normal(array)
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when 'f'
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array[1..3].each do |f|
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@verts << f.split("/")[0]
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@norms << f.split("/")[2]
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end
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end
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end
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puts "Total Lines: #{lines}"
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end
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def parse_mtllib
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file = File.open(@object_path.sub(File.basename(@object_path), '')+@material_file, 'r')
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file.readlines.each do |line|
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array = line.strip.split(' ')
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# puts array.join
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case array.first
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when 'newmtl'
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when 'Ns' # Specular Exponent
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when 'Ka' # Ambient
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when 'Kd' # Diffuse
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when 'Ks' # Specular
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when 'Ke' # Emissive
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when 'Ni' # Unknown (Blender Specific?)
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when 'd' # Dissolved (Transparency)
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when 'illum' # Illumination model
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end
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end
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end
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def change_object(name)
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@objects << Object.new(name)
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@current_object = @objects.last
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end
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def set_material(name)
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# @current_object.
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end
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def faces_count
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count = 0
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@objects.each {|o| count+=o.faces.count}
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return count
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end
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def add_vertex(array)
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@vertex_count+=1
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vert = nil
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if array.size == 5
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vert = Vertex.new(Float(array[1]), Float(array[2]), Float(array[3]), Float(array[4]))
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elsif array.size == 4
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vert = Vertex.new(Float(array[1]), Float(array[2]), Float(array[3]), 1.0)
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else
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raise
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end
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@current_object.vertexes << vert
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end
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def add_normal(array)
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vert = nil
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if array.size == 5
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vert = Vertex.new(Float(array[1]), Float(array[2]), Float(array[3]), Float(array[4]))
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elsif array.size == 4
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vert = Vertex.new(Float(array[1]), Float(array[2]), Float(array[3]), 1.0)
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else
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raise
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end
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@current_object.normals << vert
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end
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def add_texture_coordinate(array)
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texture = nil
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if array.size == 4
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texture = Vertex.new(Float(array[1]), Float(array[2]), Float(array[3]))
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elsif array.size == 3
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texture = Vertex.new(Float(array[1]), Float(array[2]), 0.0)
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else
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raise
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end
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@current_object.textures << texture
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end
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def form_faces
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@verts.each_with_index do |v, index|
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active_object = nil
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# Look for active object
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search_index = Integer(v)-1
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local_search = 0
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search_object_index = 0
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found = false
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@objects.each_with_index do |o, i|
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local_search=search_index-i
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search_object_index = i
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if local_search.between?(local_search, local_search+o.vertexes.count-1)
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active_object = o
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found = true
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break
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end
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end
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raise "active_object is nil!" if active_object == nil
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face = [active_object.vertexes[Integer(v)-local_search-1], active_object.normals[Integer(@norms[index])-1]]
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if face.last == nil
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p Integer(v)-local_search-1
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p active_object.normals[@norms[index].to_i]
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p Integer(@norms[index])-local_search-1
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puts "V: #{active_object.vertexes.count-1}, T: #{Integer(v)-1}"
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puts "Vertex: #{v}/#{Integer(v)-1}/#{Integer(v)-local_search-1}
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Normal: #{index}/#{Integer(@norms[index])-1}/#{Integer(@norms[index])-local_search-1}"
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raise "Bad data!"
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end
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active_object.faces << face
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end
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end
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end
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end
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end
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16
lib/wavefront/object.rb
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16
lib/wavefront/object.rb
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@@ -0,0 +1,16 @@
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class IMICFPS
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class Wavefront
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class Object
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attr_reader :name
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attr_accessor :vertexes, :texures, :normals, :faces
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def initialize(name)
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@name = name
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@vertexes = []
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@textures = []
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@normals = []
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@faces = []
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end
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end
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end
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end
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