diff --git a/libs/math/include/psemek/math/math.hpp b/libs/math/include/psemek/math/math.hpp
index a84b7871..8bcc8825 100644
--- a/libs/math/include/psemek/math/math.hpp
+++ b/libs/math/include/psemek/math/math.hpp
@@ -224,12 +224,24 @@ namespace psemek::math
 		return false;
 	}
 
+	template <typename T, typename H>
+	H step(T edge0, T edge1, H x)
+	{
+		return clamp((x - edge0) / (edge1 - edge0), H{0}, H{1});
+	}
+
 	template <typename T>
 	T smoothstep(T x)
 	{
 		return x * x * (T{3} - T{2} * x);
 	}
 
+	template <typename T, typename H>
+	H smoothstep(T edge0, T edge1, H x)
+	{
+		return smoothstep(clamp((x - edge0) / (edge1 - edge0), H{0}, H{1}));
+	}
+
 	template <typename T>
 	T smootherstep(T x)
 	{
@@ -237,6 +249,12 @@ namespace psemek::math
 		return x * x2 * (T{10} - x * T{15} + x2 * T{6});
 	}
 
+	template <typename T, typename H>
+	H smootherstep(T edge0, T edge1, H x)
+	{
+		return smootherstep(clamp((x - edge0) / (edge1 - edge0), H{0}, H{1}));
+	}
+
 	template <typename T>
 	T inverse_smoothstep(T x)
 	{