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Fix: Incorrect node bezier spline tangent calculation for end points 

The code was using the useless dangling handle at each end of the spline
rather than the handle pointing inwards.
This commit is contained in:
Hans Goudey 2021-06-08 23:52:29 -05:00
parent 307f8c8e76
commit 8c3f4f7edf
1 changed files with 4 additions and 4 deletions
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8
source/blender/blenkernel/intern/spline_bezier.cc
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@ -317,11 +317,11 @@ void BezierSpline::correct_end_tangents() const
MutableSpan<float3> tangents(evaluated_tangents_cache_);
if (handle_positions_left_.first() != positions_.first()) {
tangents.first() = (positions_.first() - handle_positions_left_.first()).normalized();
if (handle_positions_right_.first() != positions_.first()) {
tangents.first() = (handle_positions_right_.first() - positions_.first()).normalized();
}
if (handle_positions_right_.last() != positions_.last()) {
tangents.last() = (handle_positions_right_.last() - positions_.last()).normalized();
if (handle_positions_left_.last() != positions_.last()) {
tangents.last() = (positions_.last() - handle_positions_left_.last()).normalized();
}
}