diff -r ca23936b455b -r 5d201ee4a9c3 src/document.cpp
--- a/src/document.cpp	Mon Jun 06 22:01:22 2022 +0300
+++ b/src/document.cpp	Tue Jun 07 01:37:26 2022 +0300
@@ -154,7 +154,7 @@
 	drawState->previewPolygon.back() = drawState->previewPoint;
 	if (drawState->previewPolygon.size() > 2)
 	{
-		drawState->isconcave = not geom::isConvex(drawState->previewPolygon);
+		drawState->isconcave = not isConvex(drawState->previewPolygon);
 	}
 }
 
@@ -169,7 +169,7 @@
 
 bool isCloseToExistingPoints(const std::vector<glm::vec3>& points, const glm::vec3 &pos)
 {
-	return any(points, std::bind(geom::isclose, std::placeholders::_1, pos));
+	return any(points, std::bind(isclose, std::placeholders::_1, pos));
 }
 
 void EditorTabWidget::canvasMouseClick(QMouseEvent *event)