A Gauss mapping tool for Nurbs surfaces
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

37 lines
1.0 KiB

//
// Created by 14727 on 2022/12/24.
//
#ifndef GAUSSMAP_GAUSS_MAP_H
#define GAUSSMAP_GAUSS_MAP_H
#include "vector"
#include "tinynurbs/tinynurbs.h"
#include "glm/glm.hpp"
#include "aabb.h"
#include "map"
// 一个节点就表示一个球上矩形面片
struct GaussMapNode {
// 四个顶点的法向量值确定一个平面的法向量值
AABB nBound;
int level, firstChild;
};
class GaussMap {
int maxLevel;
int leafSampleCnt;
std::vector<std::vector<glm::vec3>> normals;
tinynurbs::RationalSurface<float> srf;
void recursiveBuild(int level, int idx, int idx_u, int idx_v);
public:
std::vector<GaussMapNode> tree;
GaussMap(int maxLevel, tinynurbs::RationalSurface<float> srf_);
void build();
void normalInit();
};
std::vector<std::pair<int, int>> getOverlapLeafNodes(const GaussMap& gm1, const GaussMap& gm2);
void recursiveGetOverlapLeafNodes(const GaussMap& gm1, const GaussMap& gm2, int idx1, int idx2, std::vector<std::pair<int, int>>& pairs);
#endif //GAUSSMAP_GAUSS_MAP_H