diff options
Diffstat (limited to 'src/crepe/api/LoopTimer.cpp')
-rw-r--r-- | src/crepe/api/LoopTimer.cpp | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/src/crepe/api/LoopTimer.cpp b/src/crepe/api/LoopTimer.cpp index eedb5ee..8fb7ce8 100644 --- a/src/crepe/api/LoopTimer.cpp +++ b/src/crepe/api/LoopTimer.cpp @@ -10,13 +10,13 @@ using namespace crepe; LoopTimer::LoopTimer() { dbg_trace(); } - void LoopTimer::start() { this->last_frame_time = std::chrono::steady_clock::now(); - + this->elapsed_time = std::chrono::milliseconds(0); // by starting the elapsed_fixed_time at (0 - fixed_delta_time) in milliseconds it calls a fixed update at the start of the loop. - this->elapsed_fixed_time = -std::chrono::duration_cast<std::chrono::milliseconds>(fixed_delta_time); + this->elapsed_fixed_time + = -std::chrono::duration_cast<std::chrono::milliseconds>(fixed_delta_time); this->delta_time = std::chrono::milliseconds(0); } @@ -30,7 +30,7 @@ void LoopTimer::update() { this->delta_time = this->maximum_delta_time; } this->actual_fps = 1.0 / this->delta_time.count(); - + this->delta_time *= this->game_scale; this->elapsed_time += this->delta_time; this->last_frame_time = current_frame_time; @@ -56,17 +56,18 @@ void LoopTimer::set_game_scale(double value) { this->game_scale = value; } double LoopTimer::get_game_scale() const { return this->game_scale; } void LoopTimer::enforce_frame_rate() { - auto current_frame_time = std::chrono::steady_clock::now(); - auto frame_duration = current_frame_time - this->last_frame_time; + auto current_frame_time = std::chrono::steady_clock::now(); + auto frame_duration = current_frame_time - this->last_frame_time; - // Check if frame duration is less than the target frame time - if (frame_duration < this->frame_target_time) { - auto delay_time = std::chrono::duration_cast<std::chrono::microseconds>(this->frame_target_time - frame_duration); + // Check if frame duration is less than the target frame time + if (frame_duration < this->frame_target_time) { + auto delay_time = std::chrono::duration_cast<std::chrono::microseconds>( + this->frame_target_time - frame_duration); - if (delay_time.count() > 0) { - std::this_thread::sleep_for(delay_time); - } - } + if (delay_time.count() > 0) { + std::this_thread::sleep_for(delay_time); + } + } } double LoopTimer::get_lag() const { |