Class: Tracksperanto::Tool::MoveToFirst
- Inherits:
-
Base
- Object
- Base
- Tracksperanto::Tool::MoveToFirst
show all
- Defined in:
- lib/tools/move_to_first.rb
Overview
Sometimes your tracked sequence has been loaded from say frame 73282381, but you want to import into an application that expects the trackers to start at frame 1. This tool autoslips everything so that your trackers start at frame 1.
Class Method Summary
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Instance Method Summary
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Methods inherited from Base
inherited, #initialize
Methods included from Parameters
#parameter, #parameters
#just_export
Methods included from ConstName
#const_name
Methods included from BlockInit
#initialize
Methods included from Casts
#cast_to_bool, #cast_to_float, #cast_to_int, #cast_to_string
Class Method Details
.action_description ⇒ Object
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# File 'lib/tools/move_to_first.rb', line 5
def self.action_description
"Move all the keyframes in time so that the track starts at frame 1"
end
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Instance Method Details
#end_export ⇒ Object
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# File 'lib/tools/move_to_first.rb', line 34
def end_export
actual_start = @start_frames.sort.shift
@exporter.start_export(@width, @height)
@buf.each do | tracker |
@exporter.start_tracker_segment(tracker.name)
tracker.each do | kf |
@exporter.export_point(kf.frame - actual_start, kf.abs_x, kf.abs_y, kf.residual)
end
@exporter.end_tracker_segment
end
@exporter.end_export
@buf.clear
end
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#end_tracker_segment ⇒ Object
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# File 'lib/tools/move_to_first.rb', line 20
def end_tracker_segment
@buf.push(@current)
@registered = false
end
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#export_point(frame, float_x, float_y, float_residual) ⇒ Object
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# File 'lib/tools/move_to_first.rb', line 25
def export_point(frame, float_x, float_y, float_residual)
@current.keyframe!(:frame => frame, :abs_x => float_x, :abs_y => float_y, :residual => float_residual)
return if @registered
@start_frames.push(frame)
@registered = true
end
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#start_export(width, height) ⇒ Object
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# File 'lib/tools/move_to_first.rb', line 9
def start_export(width, height)
@width, @height = width, height
@start_frames = []
@buf = Obuf.new
@registered = false
end
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#start_tracker_segment(tracker_name) ⇒ Object
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# File 'lib/tools/move_to_first.rb', line 16
def start_tracker_segment(tracker_name)
@current = Tracksperanto::Tracker.new(:name => tracker_name)
end
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