Switching SceneItems to smarts

archive/animation/Animation.hpp

@@ -0,0 +1,38 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "state/StateEvent.hpp"
+
+namespace Dawn {
+  struct Animation {
+    public:
+      bool_t loop = false;
+      bool_t finished = false;
+      float_t time = 0;
+      float_t duration = 0;
+      StateEvent<> eventAnimationEnd;
+      
+      /**
+       * Ticks the animation along. Delta is whatever you want to update the
+       * animation by (in seconds). Animations can overshoot if necessary and
+       * will not be clamped (by default). Subclasses may interpret ticks in
+       * different ways.
+       * 
+       * @param delta Time delta (in seconds) to tick the animaiton by.
+       */
+      virtual void tick(const float_t delta) = 0;
+      
+      /**
+       * Restart a running animation.
+       */
+      virtual void restart();
+
+      /**
+       * Clears an animaton of all its animation items and keyframes.
+       */
+      virtual void clear();
+  };
+}