Now have a timer for animations that does ticks with deltatime...maybe it works.

animate2.hpp

@@ -7,6 +7,7 @@
 #include <SFML/System/Time.hpp>
 #include <functional>
 #include "ease2.hpp"
+#include <fmt/core.h>
 
 namespace animate2 {
   struct Sheet {
@@ -16,13 +17,30 @@ namespace animate2 {
     int frame_height{0};
   };
 
+  struct Timer {
+    double DELTA = 1.0/60.0;
+    double accumulator = 0.0;
+    double prev_time = 0.0;
+    double current_time = 0.0;
+    double frame_duration = 0.0;
+    double alpha = 0.0;
+    sf::Clock clock{};
+
+    void begin();
+    std::pair<int, double> commit();
+    void start();
+    void reset();
+    void restart();
+    sf::Time getElapsedTime();
+  };
+
   struct Sequence {
     std::vector<int> frames{};
     std::vector<std::chrono::milliseconds> durations{};
     size_t current{0};
     int loop_count{0};
     size_t frame_count{frames.size()};
-    sf::Clock timer{};
+    Timer timer{};
     float subframe{0.0f};
   };