Implement Tween class interface.

include/JUI/Base/Widget.hpp

@@ -20,31 +20,12 @@
 #include <Color4.hpp>
 #include <JGL/JGL.h>
 #include <ReWindow/types/Key.h>
+#include <JUI/Tween.hpp>
+#include <JUI/JUI.hpp>
 
 using namespace JGL;
 
-namespace JUI
-{
-
-    class Tween
-    {
-    public:
-
-        std::function<void(float)> tick;
-        float lifetime = 5;
-        float progress = 0;
-    };
-
-    /// Support Lerp/Tween of the following types:
-    /// int, float, UDim, UDim2, Color4, Vector2,
-
-    /// An enumeration for mouse buttons, used by JUI to decouple from external systems.
-    /// Some boilerplate is required in order to get input mechanisms up and running. See the demo files for reference.
-    enum class MouseButton {
-        Left = 1,
-        Middle = 2,
-        Right = 3
-    };
+namespace JUI {
 
     using namespace J3ML::Math;
     using namespace J3ML::LinearAlgebra;

include/JUI/JUI.hpp

@@ -5,4 +5,12 @@
 namespace JUI
 {
     extern jlog::GenericLogger UILogs;
+
+    /// An enumeration for mouse buttons, used by JUI to decouple from external systems.
+    /// Some boilerplate is required in order to get input mechanisms up and running. See the demo files for reference.
+    enum class MouseButton {
+        Left = 1,
+        Middle = 2,
+        Right = 3
+    };
 }

include/JUI/Tween.hpp

@@ -0,0 +1,25 @@
+#include <functional>
+
+#pragma once
+
+namespace JUI
+{
+
+    /// A class that represents an animation-in-action.
+    class Tween {
+    public:
+
+        std::function<void(float)> tick;
+        float lifetime = 5;
+        float progress = 0;
+        bool alive = true;
+        bool paused = false;
+        bool completed = false;
+
+        void Pause() { paused = true; }
+        void Resume() { paused = false; }
+
+        bool Paused() const { return paused; }
+        bool Completed() const { return completed; }
+    };
+}

src/JUI/Tween.cpp

@@ -0,0 +1,7 @@
+#include <JUI/Tween.hpp>
+
+
+namespace JUI
+{
+
+}