diff options
Diffstat (limited to 'mwe/gameloop/src/timer.cpp')
-rw-r--r-- | mwe/gameloop/src/timer.cpp | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/mwe/gameloop/src/timer.cpp b/mwe/gameloop/src/timer.cpp index 61e144d..97baef6 100644 --- a/mwe/gameloop/src/timer.cpp +++ b/mwe/gameloop/src/timer.cpp @@ -1,15 +1,11 @@ #include "timer.h" - -// Constructor (private) LoopTimer::LoopTimer() {} -// Get the singleton instance of the timer LoopTimer & LoopTimer::getInstance() { static LoopTimer instance; return instance; } -// Start the timer (initialize frame time) void LoopTimer::start() { lastFrameTime = SDL_GetTicks64(); elapsedTime = 0; @@ -17,16 +13,14 @@ void LoopTimer::start() { deltaTime = 0; } -// Update the timer, calculate deltaTime void LoopTimer::update() { uint64_t currentFrameTime = SDL_GetTicks64(); - deltaTime - = (currentFrameTime - lastFrameTime) / 1000.0; // Convert to seconds + deltaTime = (currentFrameTime - lastFrameTime) / 1000.0; if (deltaTime > maximumDeltaTime) { deltaTime = maximumDeltaTime; } - + deltaTime *= gameScale; elapsedTime += deltaTime; lastFrameTime = currentFrameTime; } @@ -44,7 +38,8 @@ void LoopTimer::setFPS(int FPS) { } int LoopTimer::getFPS() const { return FPS; } - +void LoopTimer::setGameScale(double value) { gameScale = value; }; +double LoopTimer::getGameScale() { return gameScale; } void LoopTimer::enforceFrameRate() { uint64_t currentFrameTime = SDL_GetTicks64(); double frameDuration = (currentFrameTime - lastFrameTime) / 1000.0; |