mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-10-31 12:41:20 -06:00
d73142c2f9
As title. Thanks @Prusa Signed-off-by: salt.wei <salt.wei@bambulab.com> Change-Id: I2fa177e27ac53211952ea9b6c62e98182b8f05ce
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
#ifndef slic3r_NormalUtils_hpp_
|
|
#define slic3r_NormalUtils_hpp_
|
|
|
|
#include "Point.hpp"
|
|
#include "Model.hpp"
|
|
|
|
namespace Slic3r {
|
|
|
|
/// <summary>
|
|
/// Collection of static function
|
|
/// to create normals
|
|
/// </summary>
|
|
class NormalUtils
|
|
{
|
|
public:
|
|
using Normal = Vec3f;
|
|
using Normals = std::vector<Normal>;
|
|
NormalUtils() = delete; // only static functions
|
|
|
|
enum class VertexNormalType {
|
|
AverageNeighbor,
|
|
AngleWeighted,
|
|
NelsonMaxWeighted
|
|
};
|
|
|
|
/// <summary>
|
|
/// Create normal for triangle defined by indices from vertices
|
|
/// </summary>
|
|
/// <param name="indices">index into vertices</param>
|
|
/// <param name="vertices">vector of vertices</param>
|
|
/// <returns>normal to triangle(normalized to size 1)</returns>
|
|
static Normal create_triangle_normal(
|
|
const stl_triangle_vertex_indices &indices,
|
|
const std::vector<stl_vertex> & vertices);
|
|
|
|
/// <summary>
|
|
/// Create normals for each vertices
|
|
/// </summary>
|
|
/// <param name="its">indices and vertices</param>
|
|
/// <returns>Vector of normals</returns>
|
|
static Normals create_triangle_normals(const indexed_triangle_set &its);
|
|
|
|
/// <summary>
|
|
/// Create normals for each vertex by averaging neighbor triangles normal
|
|
/// </summary>
|
|
/// <param name="its">Triangle indices and vertices</param>
|
|
/// <param name="type">Type of calculation normals</param>
|
|
/// <returns>Normal for each vertex</returns>
|
|
static Normals create_normals(
|
|
const indexed_triangle_set &its,
|
|
VertexNormalType type = VertexNormalType::NelsonMaxWeighted);
|
|
static Normals create_normals_average_neighbor(const indexed_triangle_set &its);
|
|
static Normals create_normals_angle_weighted(const indexed_triangle_set &its);
|
|
static Normals create_normals_nelson_weighted(const indexed_triangle_set &its);
|
|
|
|
/// <summary>
|
|
/// Calculate angle of trinagle side.
|
|
/// </summary>
|
|
/// <param name="i">index to indices, define angle point</param>
|
|
/// <param name="indice">address to vertices</param>
|
|
/// <param name="vertices">vertices data</param>
|
|
/// <returns>Angle [in radian]</returns>
|
|
static float indice_angle(int i,
|
|
const Vec3crd & indice,
|
|
const std::vector<stl_vertex> &vertices);
|
|
};
|
|
|
|
} // namespace Slic3r
|
|
#endif // slic3r_NormalUtils_hpp_
|