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SPE-2298: Fix crash caused by a numerical issue during testing if a Voronoi vertex is inside a corner of a polygon.

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Cherry-picked from prusa3d/PrusaSlicer@669c931b77

Co-authored-by: Lukáš Hejl <hejl.lukas@gmail.com>
This commit is contained in:
Noisyfox 2024-12-22 16:44:36 +08:00
parent 3a43050ad1
commit 862acea2af
9 changed files with 181 additions and 144 deletions
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17
src/libslic3r/Geometry.hpp
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@ -545,6 +545,23 @@ inline bool is_rotation_ninety_degrees(const Vec3d &rotation)
}
Transformation mat_around_a_point_rotate(const Transformation& innMat, const Vec3d &pt, const Vec3d &axis, float rotate_theta_radian);
/**
* Checks if a given point is inside a corner of a polygon.
*
* The corner of a polygon is defined by three points A, B, C in counterclockwise order.
*
* Adapted from CuraEngine LinearAlg2D::isInsideCorner by Tim Kuipers @BagelOrb
* and @Ghostkeeper.
*
* @param a The first point of the corner.
* @param b The second point of the corner (the common vertex of the two edges forming the corner).
* @param c The third point of the corner.
* @param query_point The point to be checked if is inside the corner.
* @return True if the query point is inside the corner, false otherwise.
*/
bool is_point_inside_polygon_corner(const Point &a, const Point &b, const Point &c, const Point &query_point);
} } // namespace Slicer::Geometry
#endif