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feat: add display for fps

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zhenyan121
2026-03-14 18:21:42 +08:00
parent cabac13012
commit a62feb9d56
1 changed files with 13 additions and 1 deletions
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14
src/main.cpp
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@@ -27,8 +27,11 @@ float aspect;
glm::mat4 p_mat, v_mat, m_mat, mv_mat; glm::mat4 p_mat, v_mat, m_mat, mv_mat;
float inc = 0.01f; float inc = 0.01f;
float tf = 0.0f; float tf = 0.0f;
double last_time = 0.0f; double last_time = glfwGetTime();
double delta_time = 0.0f; double delta_time = 0.0f;
double fps_time_count = 0.0f;
int frame_count = 0;
int fps;
GLuint texture_array; GLuint texture_array;
Camera camera; Camera camera;
TextureManager texture_manager; TextureManager texture_manager;
@@ -151,6 +154,15 @@ void render_sky() {
void display(GLFWwindow* window, double current_time) { void display(GLFWwindow* window, double current_time) {
delta_time = current_time - last_time; delta_time = current_time - last_time;
last_time = current_time; last_time = current_time;
fps_time_count += delta_time;
frame_count++;
if (fps_time_count >= 1.0f) {
fps = static_cast<int>(frame_count / fps_time_count);
std::string title = "Cubed FPS: " + std::to_string(fps);
glfwSetWindowTitle(window, title.c_str());
frame_count = 0;
fps_time_count = 0.0f;
}
world.update(delta_time); world.update(delta_time);
camera.update_move_camera(); camera.update_move_camera();