Class: WavefrontObj
- Inherits:
-
Object
- Object
- WavefrontObj
- Defined in:
- lib/wavefront_obj.rb
Overview
Constant Summary collapse
- DEFAULT_NAME =
"Wavefront Obj"
Instance Attribute Summary collapse
-
#faces ⇒ Object
Returns the value of attribute faces.
-
#file ⇒ Object
writeonly
dependency injectors.
-
#name ⇒ Object
Returns the value of attribute name.
-
#point_index ⇒ Object
readonly
Returns the value of attribute point_index.
-
#points ⇒ Object
Returns the value of attribute points.
Instance Method Summary collapse
-
#add_face(pnt_arr) ⇒ true
adds a face to the 3d object.
-
#add_point(pnt) ⇒ String, false
adds a point to the 3d object.
-
#get_raw_data ⇒ String
returns the raw data of the obj file.
-
#initialize ⇒ WavefrontObj
constructor
inits attributes.
-
#save(path) ⇒ String
stores the obj data as a file.
Constructor Details
#initialize ⇒ WavefrontObj
inits attributes
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# File 'lib/wavefront_obj.rb', line 16 def initialize @name = DEFAULT_NAME @points = Hash.new @point_index = 0 @faces = Hash.new end |
Instance Attribute Details
#faces ⇒ Object
Returns the value of attribute faces.
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# File 'lib/wavefront_obj.rb', line 8 def faces @faces end |
#file=(value) ⇒ Object
dependency injectors
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# File 'lib/wavefront_obj.rb', line 11 def file=(value) @file = value end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/wavefront_obj.rb', line 8 def name @name end |
#point_index ⇒ Object (readonly)
Returns the value of attribute point_index.
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# File 'lib/wavefront_obj.rb', line 7 def point_index @point_index end |
#points ⇒ Object
Returns the value of attribute points.
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# File 'lib/wavefront_obj.rb', line 8 def points @points end |
Instance Method Details
#add_face(pnt_arr) ⇒ true
adds a face to the 3d object
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# File 'lib/wavefront_obj.rb', line 41 def add_face(pnt_arr) # TODO add error handling face_points = [] pnt_arr.each do |pnt| face_points.push add_point(pnt) end indentifier = create_face_identifier(face_points) if @faces[indentifier].nil? @faces[indentifier] = Hash.new @faces[indentifier]["face"] = face_points end return true end |
#add_point(pnt) ⇒ String, false
adds a point to the 3d object
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# File 'lib/wavefront_obj.rb', line 26 def add_point(pnt) # TODO add error handling indentifier = create_point_identifier(pnt) if @points[indentifier].nil? @points[indentifier] = Hash.new @point_index = @point_index+1 @points[indentifier]["index"] = @point_index end @points[indentifier]["point"] = pnt return @points[indentifier]["index"] end |
#get_raw_data ⇒ String
returns the raw data of the obj file
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# File 'lib/wavefront_obj.rb', line 57 def get_raw_data buffer = [] buffer.push(get_name_syntax(@name)) @points.each do |key, pnt| buffer.push(get_point_syntax(pnt["point"])) end @faces.each do |key, face| buffer.push(get_face_syntax(face["face"])) end return buffer.join("\n") end |
#save(path) ⇒ String
stores the obj data as a file
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# File 'lib/wavefront_obj.rb', line 75 def save(path) # TODO add error handling raw_data = get_raw_data path = "#{path}.obj" unless path.split(".").last == "obj" file.open(path, 'w') {|f| f.write(get_raw_data) } path end |