Add determinant check for minimized windows

When the Window is minimized, the transform-determinant can be 0.
Add a check to prevent this case.
This commit is contained in:
Markus Sauermann 2023-07-22 00:02:37 +02:00
parent 6588a4a29a
commit e0bce0bd7f

View file

@ -1347,7 +1347,12 @@ Vector2 Viewport::get_mouse_position() const {
// In this case get_screen_transform is not applicable, because it is ambiguous.
return gui.last_mouse_pos;
} else if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_MOUSE)) {
return get_screen_transform_internal(true).affine_inverse().xform(DisplayServer::get_singleton()->mouse_get_position());
Transform2D xform = get_screen_transform_internal(true);
if (xform.determinant() == 0) {
// Screen transform can be non-invertible when the Window is minimized.
return Vector2();
}
return xform.affine_inverse().xform(DisplayServer::get_singleton()->mouse_get_position());
} else {
// Fallback to Input for getting mouse position in case of emulated mouse.
return get_screen_transform_internal().affine_inverse().xform(Input::get_singleton()->get_mouse_position());