Fixed object picking when gizmos are rendered on top
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@ -1103,6 +1103,9 @@ GLCanvas3D::Mouse::Drag::Drag()
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GLCanvas3D::Mouse::Mouse()
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: dragging(false)
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, position(DBL_MAX, DBL_MAX)
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#if ENABLE_GIZMOS_ON_TOP
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, scene_position(DBL_MAX, DBL_MAX, DBL_MAX)
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#endif // ENABLE_GIZMOS_ON_TOP
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#if ENABLE_GIZMOS_RESET
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, ignore_up_event(false)
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#endif // ENABLE_GIZMOS_RESET
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@ -3601,6 +3604,13 @@ void GLCanvas3D::render()
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_render_bed(theta);
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}
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#if ENABLE_GIZMOS_ON_TOP
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// we need to set the mouse's scene position here because the depth buffer
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// could be invalidated by the following gizmo render methods
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// this position is used later into on_mouse() to drag the objects
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m_mouse.scene_position = _mouse_to_3d(m_mouse.position.cast<int>());
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#endif // ENABLE_GIZMOS_ON_TOP
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_render_current_gizmo();
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_render_cutting_plane();
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#if ENABLE_SHOW_CAMERA_TARGET
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@ -4176,19 +4186,29 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
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{
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if (evt.LeftDown() && m_moving_enabled && (m_mouse.drag.move_volume_idx == -1))
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{
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#if !ENABLE_GIZMOS_ON_TOP
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// The mouse_to_3d gets the Z coordinate from the Z buffer at the screen coordinate pos x, y,
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// an converts the screen space coordinate to unscaled object space.
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Vec3d pos3d = _mouse_to_3d(pos);
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#endif // !ENABLE_GIZMOS_ON_TOP
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// Only accept the initial position, if it is inside the volume bounding box.
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BoundingBoxf3 volume_bbox = m_volumes.volumes[m_hover_volume_id]->transformed_bounding_box();
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volume_bbox.offset(1.0);
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#if ENABLE_GIZMOS_ON_TOP
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if (volume_bbox.contains(m_mouse.scene_position))
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#else
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if (volume_bbox.contains(pos3d))
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#endif // ENABLE_GIZMOS_ON_TOP
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{
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// The dragging operation is initiated.
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m_mouse.drag.move_volume_idx = m_hover_volume_id;
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m_selection.start_dragging();
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#if ENABLE_GIZMOS_ON_TOP
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m_mouse.drag.start_position_3D = m_mouse.scene_position;
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#else
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m_mouse.drag.start_position_3D = pos3d;
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#endif // ENABLE_GIZMOS_ON_TOP
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}
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}
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else if (evt.RightDown())
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@ -337,6 +337,9 @@ class GLCanvas3D
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bool dragging;
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Vec2d position;
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#if ENABLE_GIZMOS_ON_TOP
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Vec3d scene_position;
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#endif // ENABLE_GIZMOS_ON_TOP
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Drag drag;
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#if ENABLE_GIZMOS_RESET
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bool ignore_up_event;
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