Fixed object picking when gizmos are rendered on top

This commit is contained in:
Enrico Turri 2018-11-15 11:38:40 +01:00
parent 08511bfe8b
commit ed271d66e6
2 changed files with 23 additions and 0 deletions

View File

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

View File

@ -337,6 +337,9 @@ class GLCanvas3D
bool dragging;
Vec2d position;
#if ENABLE_GIZMOS_ON_TOP
Vec3d scene_position;
#endif // ENABLE_GIZMOS_ON_TOP
Drag drag;
#if ENABLE_GIZMOS_RESET
bool ignore_up_event;