diff -r f7dd937667a5 -r f99d52b1646b src/geometry.h
--- a/src/geometry.h	Fri Feb 28 19:24:33 2020 +0200
+++ b/src/geometry.h	Sat Feb 29 23:43:38 2020 +0200
@@ -30,5 +30,12 @@
 	Line lineFromPoints(const glm::vec3& point_1, const glm::vec3 point_2);
 	Plane planeFromTriangle(const Triangle& triangle);
 	glm::vec3 normalVector(const Triangle& triangle);
-	std::optional<glm::vec3> linePlaneIntersection(const Line& line, const Plane& plane, const float epsilon = 1e-6);
+	std::optional<glm::vec3> linePlaneIntersection(const Line& line, const Plane& plane, const float epsilon = 1e-6f);
+	glm::vec3 scalingVector(const glm::mat4 matrix);
+	struct ScalingExtract
+	{
+		glm::vec3 scaling;
+		glm::mat4 unscaled;
+	};
+	ScalingExtract extractScaling(const glm::mat4& matrix);
 }