aboutsummaryrefslogtreecommitdiff
path: root/mwe/gameloop/include/timer.h
diff options
context:
space:
mode:
Diffstat (limited to 'mwe/gameloop/include/timer.h')
-rw-r--r--mwe/gameloop/include/timer.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/mwe/gameloop/include/timer.h b/mwe/gameloop/include/timer.h
new file mode 100644
index 0000000..a245e5c
--- /dev/null
+++ b/mwe/gameloop/include/timer.h
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <SDL2/SDL.h>
+
+class LoopTimer {
+public:
+ static LoopTimer& getInstance();
+ void start();
+ void update();
+ double getDeltaTime() const;
+ int getCurrentTime() const;
+ void advanceFixedUpdate();
+ double getFixedDeltaTime() const;
+ void setFPS(int FPS);
+ int getFPS() const;
+ void enforceFrameRate();
+ double getLag() const;
+private:
+ LoopTimer();
+ int FPS = 50;
+ double gameScale = 1;
+ double maximumDeltaTime = 0.25;
+ double deltaTime;
+ double frameTargetTime = FPS / 1000;
+ double fixedDeltaTime = 0.01;
+ double elapsedTime;
+ double elapsedFixedTime;
+ double time;
+ uint64_t lastFrameTime;
+};