33 lines
684 B
C++
33 lines
684 B
C++
#include "time_manager.h"
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#include <GLFW/glfw3.h>
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Time::Time()
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: lastFrameTime(glfwGetTime()), currentFrameTime(lastFrameTime), deltaTime(0), elapsedTime(0.0f)
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{
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}
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void Time::Update()
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{
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currentFrameTime = glfwGetTime();
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float deltaTimeSeconds = static_cast<float>(currentFrameTime - lastFrameTime);
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deltaTime = SecondsToFixed(deltaTimeSeconds);
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elapsedTime += deltaTimeSeconds;
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lastFrameTime = currentFrameTime;
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}
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int32_t Time::GetDeltaTime() const
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{
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return deltaTime;
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}
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float Time::GetElapsedTime() const
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{
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return elapsedTime;
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}
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int32_t Time::SecondsToFixed(float seconds) const
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{
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return static_cast<int32_t>(seconds * FIXED_POINT_SCALE);
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} |