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Tech ENABLE_RAYCAST_PICKING - Gizmo flatten: fixed update of raycasters transformations

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(cherry picked from commit prusa3d/PrusaSlicer@2a2d442b28)
This commit is contained in:
enricoturri1966 2023-10-29 15:24:45 +08:00 • committed by Noisyfox
parent e4ec0cfc2e
commit 094acdb645
5 changed files with 34 additions and 26 deletions
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21
src/slic3r/GUI/SceneRaycaster.cpp
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@ -31,13 +31,14 @@ SceneRaycaster::SceneRaycaster() {
#endif // ENABLE_RAYCAST_PICKING_DEBUG
}
std::shared_ptr<SceneRaycasterItem> SceneRaycaster::add_raycaster(EType type, int id, const MeshRaycaster& raycaster, const Transform3d& trafo)
std::shared_ptr<SceneRaycasterItem> SceneRaycaster::add_raycaster(EType type, int id, const MeshRaycaster& raycaster,
const Transform3d& trafo, bool use_back_faces)
{
switch (type) {
case EType::Bed: { return m_bed.emplace_back(std::make_shared<SceneRaycasterItem>(encode_id(type, id), raycaster, trafo)); }
case EType::Volume: { return m_volumes.emplace_back(std::make_shared<SceneRaycasterItem>(encode_id(type, id), raycaster, trafo)); }
case EType::Gizmo: { return m_gizmos.emplace_back(std::make_shared<SceneRaycasterItem>(encode_id(type, id), raycaster, trafo)); }
default: { assert(false); return nullptr; }
case EType::Bed: { return m_bed.emplace_back(std::make_shared<SceneRaycasterItem>(encode_id(type, id), raycaster, trafo, use_back_faces)); }
case EType::Volume: { return m_volumes.emplace_back(std::make_shared<SceneRaycasterItem>(encode_id(type, id), raycaster, trafo, use_back_faces)); }
case EType::Gizmo: { return m_gizmos.emplace_back(std::make_shared<SceneRaycasterItem>(encode_id(type, id), raycaster, trafo, use_back_faces)); }
default: { assert(false); return nullptr; }
};
}
@ -105,6 +106,7 @@ SceneRaycaster::HitResult SceneRaycaster::hit(const Vec2d& mouse_pos, const Came
auto test_raycasters = [this, is_closest, clipping_plane](EType type, const Vec2d& mouse_pos, const Camera& camera, HitResult& ret) {
const ClippingPlane* clip_plane = (clipping_plane != nullptr && type == EType::Volume) ? clipping_plane : nullptr;
std::vector<std::shared_ptr<SceneRaycasterItem>>* raycasters = get_raycasters(type);
const Vec3f camera_forward = camera.get_dir_forward().cast<float>();
HitResult current_hit = { type };
for (std::shared_ptr<SceneRaycasterItem> item : *raycasters) {
if (!item->is_active())
@ -114,10 +116,11 @@ SceneRaycaster::HitResult SceneRaycaster::hit(const Vec2d& mouse_pos, const Came
const Transform3d& trafo = item->get_transform();
if (item->get_raycaster()->closest_hit(mouse_pos, trafo, camera, current_hit.position, current_hit.normal, clip_plane)) {
current_hit.position = (trafo * current_hit.position.cast<double>()).cast<float>();
if (is_closest(camera, current_hit.position)) {
const Matrix3d normal_matrix = (Matrix3d)trafo.matrix().block(0, 0, 3, 3).inverse().transpose();
current_hit.normal = (normal_matrix * current_hit.normal.cast<double>()).normalized().cast<float>();
ret = current_hit;
current_hit.normal = (trafo.matrix().block(0, 0, 3, 3).inverse().transpose() * current_hit.normal.cast<double>()).normalized().cast<float>();
if (item->use_back_faces() || current_hit.normal.dot(camera_forward) < 0.0f){
if (is_closest(camera, current_hit.position)) {
ret = current_hit;
}
}
}
}