rust哪里看幀數(shù),rust怎么看幀數(shù)
2025.07.06 13:34 4
在Rust中查看幀數(shù)通常涉及到游戲開(kāi)發(fā)或者圖形渲染的場(chǎng)景,以下是一些查看幀數(shù)的方法:
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使用
glutin
庫(kù): 如果你使用glutin
來(lái)創(chuàng)建窗口和渲染,你可以通過(guò)glutin
的EventLoop
來(lái)捕獲幀數(shù),以下是一個(gè)簡(jiǎn)單的例子:use glutin::{event::Event, event::WindowEvent, event_loop::ControlFlow, window::WindowBuilder}; fn main() { let event_loop = glutin::event_loop::EventLoop::new(); let window = WindowBuilder::new().build(&event_loop).unwrap(); let mut last_frame = 0; let mut frame_count = 0; event_loop.run(move |event, _, control_flow| { *control_flow = ControlFlow::Wait; match event { Event::WindowEvent { event, .. } => match event { WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit, _ => {} }, Event::NewFrame => { let now = glutin::timestamp::get().as_nanos(); if now - last_frame > 1_000_000_000 { println!("FPS: {}", frame_count); last_frame = now; frame_count = 0; } frame_count += 1; }, _ => {} } }); }
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使用
ggez
庫(kù): 如果你使用ggez
來(lái)創(chuàng)建游戲,它提供了內(nèi)置的幀數(shù)統(tǒng)計(jì)功能,你可以通過(guò)ggez
的Game
結(jié)構(gòu)體來(lái)訪(fǎng)問(wèn)幀數(shù):use ggez::{Context, GameResult, event::UpdateEvent, graphics::Color, timer::Timer}; struct MainState { timer: Timer, } impl MainState { fn new() -> GameResult<MainState> { Ok(MainState { timer: Timer::new(), }) } } impl event::EventHandler for MainState { fn update(&mut self, _ctx: &mut Context) -> GameResult { self.timer.tick(); Ok(()) } fn draw(&mut self, ctx: &mut Context) -> GameResult { graphics::clear(ctx, Color::from_rgb(255, 255, 255)); let fps = self.timer.get_fps(); graphics::draw(ctx, &format!("FPS: {}", fps), (100.0, 100.0), graphics::DrawParam::default())?; graphics::present(ctx) } } fn main() -> GameResult { let cb = ggez::ContextBuilder::new("Main", "Author").build()?; let state = MainState::new()?; match ggez::game::run(cb, state) { Ok(_) => println!("Game closed successfully."), Err(e) => println!("An error occurred: {}", e), } }
代碼示例展示了如何在Rust中查看幀數(shù),你可以根據(jù)自己的項(xiàng)目需求調(diào)整和優(yōu)化這些代碼。