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Fix issue regarding rotation

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Canvas items will now rotate correctly no matter what their global scale happens to be.
This commit is contained in:
Phischermen 2020-01-06 18:43:22 -08:00
parent a7853fc04b
commit becd1fd1d8
1 changed files with 3 additions and 1 deletions
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4
editor/plugins/canvas_item_editor_plugin.cpp
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@ -1492,7 +1492,9 @@ bool CanvasItemEditor::_gui_input_rotate(const Ref<InputEvent> &p_event) {
for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
CanvasItem *canvas_item = E->get();
drag_to = transform.affine_inverse().xform(m->get_position());
canvas_item->_edit_set_rotation(snap_angle(canvas_item->_edit_get_rotation() + (drag_from - drag_rotation_center).angle_to(drag_to - drag_rotation_center), canvas_item->_edit_get_rotation()));
//Rotate the opposite way if the canvas item's compounded scale has an uneven number of negative elements
bool opposite = (canvas_item->get_global_transform().get_scale().sign().dot(canvas_item->get_transform().get_scale().sign()) == 0);
canvas_item->_edit_set_rotation(snap_angle(canvas_item->_edit_get_rotation() + (opposite ? -1 : 1) * (drag_from - drag_rotation_center).angle_to(drag_to - drag_rotation_center), canvas_item->_edit_get_rotation()));
viewport->update();
}
return true;