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Fix: Incorrect node bezier spline tangent calculation for end points

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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();
}
}