added color stuff

include/uml/color.h

@@ -0,0 +1,13 @@
+//
+// Created by vlad on 2/4/24.
+//
+
+#pragma once
+#include "uml/Vector3.h"
+#include <cstdint>
+
+namespace uml::color
+{
+    [[nodiscard]]
+    Vector3 Blend(const Vector3& first, const Vector3& second, float ratio);
+}

source/CMakeLists.txt

@@ -2,4 +2,5 @@ target_sources(uml PRIVATE
         Vector3.cpp
         matrix.cpp
         angles.cpp
-        ProjectilePredictor.cpp)
+        ProjectilePredictor.cpp
+        color.cpp)

source/color.cpp

@@ -0,0 +1,13 @@
+//
+// Created by vlad on 2/4/24.
+//
+
+#include "uml/color.h"
+
+namespace uml::color
+{
+    Vector3 Blend(const uml::Vector3 &first, const uml::Vector3 &second, float ratio)
+    {
+        return first * (1.f - ratio) + second * ratio;
+    }
+}