Sha256: d5e209d5db6597ff44aef5dd3dd9cf7f77a37559cecdea8cfbdb96b81174b45d
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Size: 1.47 KB
Versions: 26
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Stored size: 1.47 KB
Contents
# -*- encoding : utf-8 -*-
# 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 Tracksperanto::Tool::MoveToFirst < Tracksperanto::Tool::Base
def self.action_description
"Move all the keyframes in time so that the track starts at frame 1"
end
def start_export(width, height)
@width, @height = width, height
@start_frames = []
@buf = Obuf.new
@registered = false
end
def start_tracker_segment(tracker_name)
@current = Tracksperanto::Tracker.new(:name => tracker_name)
end
def end_tracker_segment
@buf.push(@current)
@registered = false
end
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
# Note where this tracker starts
@start_frames.push(frame)
@registered = true
end
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
end
Version data entries
26 entries across 26 versions & 1 rubygems