Constrained gizmo-scaling -> keep initial ctrl key status while dragging
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@ -58,7 +58,8 @@ void GLGizmoScale3D::on_start_dragging(const Selection& selection)
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if (m_hover_id != -1)
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{
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m_starting.drag_position = m_grabbers[m_hover_id].center;
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m_starting.box = (wxGetKeyState(WXK_CONTROL) && (m_hover_id < 6)) ? m_box : selection.get_bounding_box();
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m_starting.ctrl_down = wxGetKeyState(WXK_CONTROL);
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m_starting.box = (m_starting.ctrl_down && (m_hover_id < 6)) ? m_box : selection.get_bounding_box();
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const Vec3d& center = m_starting.box.center();
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m_starting.pivots[0] = m_transform * Vec3d(m_starting.box.max(0), center(1), center(2));
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@ -161,7 +162,7 @@ void GLGizmoScale3D::on_render(const Selection& selection) const
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Vec3d offset_y = m_offsets_transform * Vec3d(0.0, (double)Offset, 0.0);
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Vec3d offset_z = m_offsets_transform * Vec3d(0.0, 0.0, (double)Offset);
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bool ctrl_down = wxGetKeyState(WXK_CONTROL);
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bool ctrl_down = (m_dragging && m_starting.ctrl_down) || (!m_dragging && wxGetKeyState(WXK_CONTROL));
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// x axis
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m_grabbers[0].center = m_transform * Vec3d(m_box.min(0), center(1), center(2)) - offset_x;
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@ -311,7 +312,7 @@ void GLGizmoScale3D::do_scale_x(const UpdateData& data)
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if (ratio > 0.0)
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{
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m_scale(0) = m_starting.scale(0) * ratio;
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if (wxGetKeyState(WXK_CONTROL))
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if (m_starting.ctrl_down)
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{
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double local_offset = 0.5 * (m_scale(0) - m_starting.scale(0)) * m_starting.box.size()(0);
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Vec3d local_offset_vec = Vec3d((m_hover_id == 0) ? -local_offset : local_offset, 0.0, 0.0);
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@ -328,7 +329,7 @@ void GLGizmoScale3D::do_scale_y(const UpdateData& data)
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if (ratio > 0.0)
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{
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m_scale(1) = m_starting.scale(1) * ratio;
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if (wxGetKeyState(WXK_CONTROL))
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if (m_starting.ctrl_down)
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{
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double local_offset = 0.5 * (m_scale(1) - m_starting.scale(1)) * m_starting.box.size()(1);
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Vec3d local_offset_vec = Vec3d(0.0, (m_hover_id == 2) ? -local_offset : local_offset, 0.0);
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@ -345,7 +346,7 @@ void GLGizmoScale3D::do_scale_z(const UpdateData& data)
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if (ratio > 0.0)
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{
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m_scale(2) = m_starting.scale(2) * ratio;
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if (wxGetKeyState(WXK_CONTROL))
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if (m_starting.ctrl_down)
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{
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double local_offset = 0.5 * (m_scale(2) - m_starting.scale(2)) * m_starting.box.size()(2);
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Vec3d local_offset_vec = Vec3d(0.0, 0.0, (m_hover_id == 4) ? -local_offset : local_offset);
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@ -367,7 +368,7 @@ double GLGizmoScale3D::calc_ratio(const UpdateData& data) const
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{
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double ratio = 0.0;
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Vec3d pivot = (wxGetKeyState(WXK_CONTROL) && (m_hover_id < 6)) ? m_starting.pivots[m_hover_id] : m_starting.box.center();
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Vec3d pivot = (m_starting.ctrl_down && (m_hover_id < 6)) ? m_starting.pivots[m_hover_id] : m_starting.box.center();
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Vec3d starting_vec = m_starting.drag_position - pivot;
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double len_starting_vec = starting_vec.norm();
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@ -17,8 +17,9 @@ class GLGizmoScale3D : public GLGizmoBase
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Vec3d drag_position;
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BoundingBoxf3 box;
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Vec3d pivots[6];
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bool ctrl_down;
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StartingData() : scale(Vec3d::Ones()), drag_position(Vec3d::Zero()) { for (int i = 0; i < 5; ++i) { pivots[i] = Vec3d::Zero(); } }
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StartingData() : scale(Vec3d::Ones()), drag_position(Vec3d::Zero()), ctrl_down(false) { for (int i = 0; i < 5; ++i) { pivots[i] = Vec3d::Zero(); } }
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};
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mutable BoundingBoxf3 m_box;
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