FIX: GLGizmoScale

jira: STUDIO-10777 / STUDIO-8274

Change-Id: Ib8f2cea73f98195a1bb7092e5cd2cb3795483afa
This commit is contained in:
jun.zhang 2025-03-11 12:20:43 +08:00 committed by lane.wei
parent 73343cf48e
commit 165882e723
2 changed files with 7 additions and 22 deletions

View File

@ -171,7 +171,6 @@ void GLGizmoScale3D::on_start_dragging()
m_starting.drag_position = grabbers_transform * m_grabbers[m_hover_id].center;
m_starting.plane_center = grabbers_transform * m_grabbers[4].center; // plane_center = bottom center
m_starting.plane_nromal = (grabbers_transform * m_grabbers[5].center - grabbers_transform * m_grabbers[4].center).normalized();
m_starting.ctrl_down = wxGetKeyState(WXK_CONTROL);
m_starting.box = m_bounding_box;
m_starting.center = m_center;
@ -394,7 +393,8 @@ void GLGizmoScale3D::do_scale_along_axis(Axis axis, const UpdateData& data)
if (ratio > 0.0)
{
m_scale(axis) = m_starting.scale(axis) * ratio;
if (m_starting.ctrl_down && abs(ratio-1.0f)>0.001) {
const bool ctrl_down = wxGetKeyState(WXK_CONTROL);
if (ctrl_down && abs(ratio-1.0f)>0.001) {
double local_offset = 0.5 * (m_scale(axis) - m_starting.scale(axis)) * m_starting.box.size()(axis);
if (m_hover_id == 2 * axis) {
local_offset *= -1.0;
@ -433,29 +433,15 @@ double GLGizmoScale3D::calc_ratio(const UpdateData& data) const
{
double ratio = 0.0;
Vec3d pivot = (m_starting.ctrl_down && (m_hover_id < 6)) ? m_starting.constraint_position : m_starting.plane_center; // plane_center = bottom center
const bool ctrl_down = wxGetKeyState(WXK_CONTROL);
Vec3d pivot = (ctrl_down && (m_hover_id < 6)) ? m_starting.constraint_position : m_starting.plane_center; // plane_center = bottom center
Vec3d starting_vec = m_starting.drag_position - pivot;
double len_starting_vec = starting_vec.norm();
if (len_starting_vec != 0.0)
{
Vec3d mouse_dir = data.mouse_ray.unit_vector();
Vec3d plane_normal = m_starting.plane_nromal;
if (m_hover_id == 5) {
// get z-axis moving plane normal
Vec3d plane_vec = mouse_dir.cross(m_starting.plane_nromal);
plane_normal = plane_vec.cross(m_starting.plane_nromal);
}
plane_normal = plane_normal.normalized();
// finds the intersection of the mouse ray with the plane that the drag point moves
// use ray-plane intersection see i.e. https://en.wikipedia.org/wiki/Line%E2%80%93plane_intersection
auto dot_value = (plane_normal.dot(mouse_dir));
auto angle = Geometry::rad2deg(acos(dot_value));
auto big_than_min_angle = abs(angle) < 95 && abs(angle) > 85;
if (big_than_min_angle) {
return 1;
}
Vec3d inters = GetIntersectionOfRayAndPlane(data.mouse_ray.a, mouse_dir, m_starting.drag_position, plane_normal);
Vec3d inters = data.mouse_ray.a + (m_starting.drag_position - data.mouse_ray.a).dot(mouse_dir) / mouse_dir.squaredNorm() * mouse_dir;
// vector from the starting position to the found intersection
Vec3d inters_vec = inters - m_starting.drag_position;
// finds projection of the vector along the staring direction

View File

@ -27,9 +27,8 @@ class GLGizmoScale3D : public GLGizmoBase
BoundingBoxf3 box;
Vec3d pivots[6];// Vec3d constraint_position{Vec3d::Zero()};
Vec3d local_pivots[6];
bool ctrl_down;
StartingData() : scale(Vec3d::Ones()), drag_position(Vec3d::Zero()), ctrl_down(false) { for (int i = 0; i < 5; ++i) { pivots[i] = Vec3d::Zero(); } }
StartingData() : scale(Vec3d::Ones()), drag_position(Vec3d::Zero()) { for (int i = 0; i < 5; ++i) { pivots[i] = Vec3d::Zero(); } }
};
mutable BoundingBoxf3 m_bounding_box;