Sha256: e31309630d356078418d386eb29ed4871571700949fcb8f4cafc6b4e2e5dafa8

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Size: 1.54 KB

Versions: 36

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Stored size: 1.54 KB

Contents

class Tracksperanto::Import::MayaLive < Tracksperanto::Import::Base
  
  # Maya Live exports and imports tracks in "aspect units", so a point at 0,0
  # will be at -1.78,-1 in MayaLive coordinates with aspect of 1.78. Therefore
  # we offer an override for the aspect being imported (if the pixels are not square)
  attr_accessor :aspect
  
  def self.human_name
    "Maya Live track export file"
  end
  
  def self.autodetects_size?
    true
  end
  
  COMMENT = /^# /
  
  def parse(original_io)
    io = Tracksperanto::ExtIO.new(original_io)
    extract_width_height_and_aspect(io.gets_non_empty)
    trackers = []
    
    while line = io.gets_and_strip
      if line =~ COMMENT
        trackers << Tracksperanto::Tracker.new(:name => line.gsub(/#{COMMENT} Name(\s+)/, ''))
        next
      end
      
      tracker_num, frame, x, y, residual = line.split
      
      abs_x, abs_y = aspect_values_to_pixels(x, y)
      trackers[-1].keyframe! :frame => frame, :abs_x => abs_x, :abs_y => abs_y,  :residual => set_residual(residual)
    end
    
    trackers
  end
  
  private
  
    def aspect_values_to_pixels(x, y)
      [
        (@width.to_f / 2.0) + (x.to_f * @x_unit.to_f),
        (@height.to_f / 2.0) + (y.to_f * @y_unit.to_f)
      ]
    end
    
    def extract_width_height_and_aspect(from_str)
      self.width, self.height = from_str.scan(/\d+/)
      @aspect ||= width.to_f / height.to_f
      @x_unit = width / (@aspect * 2)
      @y_unit = height / (1 * 2)
    end
    
    def set_residual(residual)
      (residual == "-1" ? 0 : residual)
    end
end

Version data entries

36 entries across 36 versions & 1 rubygems

Version Path
tracksperanto-1.9.8 lib/import/maya_live.rb
tracksperanto-1.9.6 lib/import/maya_live.rb
tracksperanto-1.9.5 lib/import/maya_live.rb
tracksperanto-1.9.4 lib/import/maya_live.rb
tracksperanto-1.9.3 lib/import/maya_live.rb
tracksperanto-1.9.2 lib/import/maya_live.rb
tracksperanto-1.9.1 lib/import/maya_live.rb
tracksperanto-1.9.0 lib/import/maya_live.rb
tracksperanto-1.8.4 lib/import/maya_live.rb
tracksperanto-1.8.2 lib/import/maya_live.rb
tracksperanto-1.8.1 lib/import/maya_live.rb
tracksperanto-1.8.0 lib/import/maya_live.rb
tracksperanto-1.7.5 lib/import/maya_live.rb
tracksperanto-1.7.4 lib/import/maya_live.rb
tracksperanto-1.7.3 lib/import/maya_live.rb
tracksperanto-1.7.2 lib/import/maya_live.rb
tracksperanto-1.7.1 lib/import/maya_live.rb
tracksperanto-1.7.0 lib/import/maya_live.rb
tracksperanto-1.6.9 lib/import/maya_live.rb
tracksperanto-1.6.8 lib/import/maya_live.rb