From 8000d526842340387e137a84725a92f903555b24 Mon Sep 17 00:00:00 2001 From: Jacques Lucke Date: Mon, 5 Sep 2022 15:20:04 +0200 Subject: Fix T100796: wrong tangents on bezier splines with duplicate points and handles Differential Revision: https://developer.blender.org/D15880 --- source/blender/blenkernel/intern/curves_geometry.cc | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/source/blender/blenkernel/intern/curves_geometry.cc b/source/blender/blenkernel/intern/curves_geometry.cc index af9533dc77f..940ec407d04 100644 --- a/source/blender/blenkernel/intern/curves_geometry.cc +++ b/source/blender/blenkernel/intern/curves_geometry.cc @@ -733,11 +733,14 @@ Span CurvesGeometry::evaluated_tangents() const const IndexRange points = this->points_for_curve(curve_index); const IndexRange evaluated_points = this->evaluated_points_for_curve(curve_index); - if (handles_right[points.first()] != positions[points.first()]) { + const float epsilon = 1e-6f; + if (!math::almost_equal_relative( + handles_right[points.first()], positions[points.first()], epsilon)) { tangents[evaluated_points.first()] = math::normalize(handles_right[points.first()] - positions[points.first()]); } - if (handles_left[points.last()] != positions[points.last()]) { + if (!math::almost_equal_relative( + handles_left[points.last()], positions[points.last()], epsilon)) { tangents[evaluated_points.last()] = math::normalize(positions[points.last()] - handles_left[points.last()]); } -- cgit v1.2.3