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Alembic export: prevent rounding error buildup in frame sample time

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This commit is contained in:
Sybren A. Stüvel 2017-05-26 12:55:07 +02:00
parent 71dcead790
commit cfce8623a8
1 changed files with 4 additions and 2 deletions
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6
source/blender/alembic/intern/abc_exporter.cc
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@ -209,8 +209,10 @@ void AbcExporter::getShutterSamples(double step, bool time_relative,
const int nsamples = static_cast<int>(std::max((1.0 / step) - 1.0, 1.0));
const double time_inc = (shutter_close - shutter_open) / nsamples;
for (double t = shutter_open; t <= shutter_close; t += time_inc) {
samples.push_back((t + m_settings.frame_start) / time_factor);
for (int sample=0; sample < nsamples; ++sample) {
double sample_time = shutter_open + time_inc * sample;
double time = (m_settings.frame_start + sample_time) / time_factor;
samples.push_back(time);
}
}
}