Added Sprite Coloring and Value Animations

asloengine/headers/animation.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <math.h>
+#include "helpers.hpp"
+
+namespace asloengine
+{
+
+    class Animation
+    {
+
+        public:
+            enum Function
+            {
+                LINEAR, EASE_IN, EASE_OUT, EASE_IN_OUT
+            };
+
+            Animation(Function _function, float _start_value, float _end_value, float _duration);
+
+            void reset(Function _function, float _start_value, float _end_value, float _duration);
+            float animate(float delta_time);
+
+        protected:
+            Function function;
+            float start_value;
+            float current_value;
+            float end_value;
+            float time;
+            float duration;
+
+            float calculate_linear();
+            float calculate_ease_in();
+            float calculate_ease_out();
+            float calculate_ease_in_out();
+
+    };
+
+}