Initial Commit

src/TimePoint.cpp

@@ -0,0 +1,31 @@
+#include "TimePoint.hpp"
+
+TimePoint::TimePoint():
+    tp(std::chrono::steady_clock::now()),
+    timeSince(0.0f)
+{}
+
+void TimePoint::update_time_point() {
+    tp = std::chrono::steady_clock::now();
+}
+
+void TimePoint::update_time_since() {
+    timeSince = std::chrono::duration_cast<std::chrono::duration<float>>(std::chrono::steady_clock::now() - tp).count();
+}
+
+float TimePoint::get_time_since() const {
+    return timeSince;
+}
+
+TimePoint::operator float() const {
+    return get_time_since(); 
+}
+
+float smooth_two_way_time(float& timeToUpdate, float deltaTime, bool isWay1, float animDuration) {
+    timeToUpdate = std::clamp(isWay1 ? (timeToUpdate + deltaTime) : (timeToUpdate - deltaTime), 0.0f, animDuration);
+    return timeToUpdate / animDuration;
+}
+
+WorldVec lerp_world_vec_double(const WorldVec& v1, const WorldVec& v2, double t) {
+    return {FixedPoint::lerp_double(v1.x(), v2.x(), t), FixedPoint::lerp_double(v1.y(), v2.y(), t)};
+}