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SimpleEngine
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Increase default TPS

This commit is contained in:
SeanOMik 2022-10-16 15:42:19 -04:00
parent 0a5dc66e4c
commit 1e7e9a4f9e
Signed by: SeanOMik
GPG Key ID: 568F326C7EB33ACB
3 changed files with 17 additions and 19 deletions
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3
examples/dev_testing/src/main.cpp
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@ -96,7 +96,8 @@ int main(int argc, char *argv[]) {
brick_e.add_component<se::ModelComponent>("examples/dev_testing/resources/bricks/bricks.fbx"); brick_e.add_component<se::ModelComponent>("examples/dev_testing/resources/bricks/bricks.fbx");
brick_e.add_component<se::RotatingComponent>(); brick_e.add_component<se::RotatingComponent>();
auto &brick_transf = brick_e.add_component<se::TransformComponent>(); auto &brick_transf = brick_e.add_component<se::TransformComponent>();
brick_transf.translate(6.f, -0.5f, 1.f); brick_transf.translate(6.f, 0.f, 0.f);
//brick_transf.translate(6.f, -0.5f, 1.f);
auto light = std::make_shared<se::gfx::Light>(core_shader, glm::vec3(0.f, 0.f, 0.f), glm::vec3(1.f, 1.f, 1.f)); auto light = std::make_shared<se::gfx::Light>(core_shader, glm::vec3(0.f, 0.f, 0.f), glm::vec3(1.f, 1.f, 1.f));
game.add_event(light); game.add_event(light);

7
include/simpleengine/game.h
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@ -66,10 +66,9 @@ namespace simpleengine {
int fps_limit = -1; int fps_limit = -1;
bool enable_vsync = true; bool enable_vsync = true;
int max_engine_tps = 60; // The maximum engine TPS int max_engine_tps = 120; // The maximum engine TPS
double tps_accumulator = 0.f; float fixed_delta_time = 1.f / (float) max_engine_tps; // The delta time from fixed timestep
//int engine_ticks_second = 0; // The amount of ticks in a second float tps_accumulator = 0.f;
//double last_sec_engine_tick; // The time of the last second
float get_delta_time(); float get_delta_time();

26
src/game.cpp
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@ -158,33 +158,31 @@ void simpleengine::Game::limit_framerate(const float& delta_time) const {
int simpleengine::Game::run() { int simpleengine::Game::run() {
while (!glfwWindowShouldClose(window)) { while (!glfwWindowShouldClose(window)) {
// Get delta time first thing // Get delta time first thing
float delta_time = get_delta_time(); float frame_time = get_delta_time();
//std::cout << "Delta time: " << delta_time << std::endl;
// Poll input events // Poll input events
glfwPollEvents(); glfwPollEvents();
input_update(frame_time); // Update input on varying timestep
const double max_delta_time = 0.25; tps_accumulator += frame_time;
tps_accumulator += delta_time; // https://gafferongames.com/post/fix_your_timestep/
while (tps_accumulator >= fixed_delta_time) {
update(fixed_delta_time);
input_update(delta_time); tps_accumulator -= fixed_delta_time;
while (tps_accumulator >= max_delta_time) {
update(max_delta_time);
tps_accumulator -= max_delta_time;
} }
const double interpolate_alpha = tps_accumulator / max_delta_time;
render_window(interpolate_alpha, delta_time); // Alpha used for interpolating objects in rendering
float interpolate_alpha = tps_accumulator / fixed_delta_time;
render_window(interpolate_alpha, frame_time);
// End draw // End draw
glfwSwapBuffers(window); glfwSwapBuffers(window);
glFlush(); glFlush();
limit_framerate(delta_time); limit_framerate(frame_time);
} }
return 0; return 0;