Preparando la interfaz

source/core/Frame.cpp

@@ -0,0 +1,28 @@
+#include "core/Frame.hpp"
+
+#include <algorithm>
+#include <cmath>
+
+namespace tahgibu {
+
+float Frame::clampFps(float fps) noexcept {
+    if (!std::isfinite(fps)) {
+        return kDefaultFps;
+    }
+    return std::clamp(fps, kMinFps, kMaxFps);
+}
+
+void Frame::setFpsOverride(float fps) noexcept {
+    fpsOverride_ = clampFps(fps);
+}
+
+float Frame::effectiveFps(float baseFps) const noexcept {
+    return fpsOverride_ ? *fpsOverride_ : clampFps(baseFps);
+}
+
+double Frame::durationSeconds(float baseFps) const noexcept {
+    // effectiveFps() >= kMinFps, así que nunca se divide por cero.
+    return 1.0 / static_cast<double>(effectiveFps(baseFps));
+}
+
+}  // namespace tahgibu