yggdrasil75/stupidsimcpp
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some crud and such

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This commit is contained in:
Yggdrasil75
2026-02-16 10:21:18 -05:00
parent d6d638cb01
commit 14b4d06495
2 changed files with 247 additions and 39 deletions
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62
util/grid/mesh.hpp
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@@ -35,6 +35,7 @@ struct Triangle2D {
class Mesh {
private:
int id;
int _subId;
std::vector<Vector3f> _vertices;
std::vector<std::vector<int>> _polys;
std::vector<Color> _colors;
@@ -46,30 +47,61 @@ private:
inline static float edgeFunction(const Vector2f& a, const Vector2f& b, const Vector2f& c) {
return (c.x() - a.x()) * (b.y() - a.y()) - (c.y() - a.y()) * (b.x() - a.x());
}
public:
Mesh(int id, const std::vector<Vector3f>& verts, const std::vector<std::vector<int>>& polys, const std::vector<Color>& colors)
: id(id), _vertices(verts), _polys(polys), _colors(colors) {
Mesh(int id, const std::vector<Vector3f>& verts, const std::vector<std::vector<int>>& polys, const std::vector<Color>& colors, int subId = 0)
: id(id), _subId(subId), _vertices(verts), _polys(polys), _colors(colors) {
_needs_triangulation = true;
_needs_norm_calc = true;
}
int getId() const {
return id;
}
int getSubId() const {
return _subId;
}
void setSubId(int s) {
_subId = s;
}
std::vector<Vector3f> vertices() {
return _vertices;
}
bool vertices(std::vector<Vector3f> verts) {
if (verts.size() != _colors.size()) {
if (_colors.size() == 1) {
_vertices = verts;
_needs_norm_calc = true;
return true;
}
return false;
} else {
_vertices = verts;
bool updateVertex(size_t index, const Vector3f& newPos) {
if (index < _vertices.size()) {
_vertices[index] = newPos;
_needs_norm_calc = true;
return true;
}
return false;
}
void translate(const Vector3f& offset) {
for(auto& v : _vertices) {
v += offset;
}
_needs_norm_calc = false;
}
void replace(const std::vector<Vector3f>& verts, const std::vector<std::vector<int>>& polys, const std::vector<Color>& colors) {
_vertices = verts;
_polys = polys;
_colors = colors;
_needs_triangulation = true;
_needs_norm_calc = true;
}
bool vertices(std::vector<Vector3f> verts) {
if (verts.size() != _colors.size() && _colors.size() != 1) {
return false;
}
_vertices = verts;
_needs_norm_calc = true;
return true;
}
std::vector<std::vector<int>> polys() {
@@ -319,6 +351,11 @@ public:
_meshes.push_back(mesh);
updateStats();
}
void addMeshes(const std::vector<std::shared_ptr<Mesh>>& meshes) {
_meshes.insert(_meshes.end(), meshes.begin(), meshes.end());
updateStats();
}
void clear() {
_meshes.clear();
@@ -400,6 +437,7 @@ public:
os << "========================================\n";
os << " Scene STATS \n";
os << "========================================\n";
os << "Total Meshes: " << _meshes.size() << "\n";
for (auto m : _meshes) {
m->printStats(os);
}