kira

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用于表达性游戏音频的库。

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工具介绍

用于表达性游戏音频的库。

基拉

crates.io | 文档

Kira 是一款不依赖后端的库,用于为游戏创建富有表现力的音频。提供了 tween 功能,可平滑调整声音的属性,还提供了灵活的混音器用于对音频应用效果的时钟系统,可精确定时音频事件, 以及空间音频支持。

示例

同时多次播放声音:

rust

use kira::{
	AudioManager, AudioManagerSettings, DefaultBackend,
	sound::static_sound::StaticSoundData,
};

// Create an audio manager. This plays sounds and manages resources.
let mut manager = AudioManager::::new(AudioManagerSettings::default())?;
let sound_data = StaticSoundData::from_file("sound.ogg")?;
manager.play(sound_data.clone())?;
// After a couple seconds...
manager.play(sound_data.clone())?;
// Cloning the sound data will not use any extra memory.

随着时间的推移逐渐加快声音速度:

rust

use std::time::Duration;

use kira::{
	AudioManager, AudioManagerSettings, DefaultBackend,
	sound::static_sound::StaticSoundData,
	Tween,
};

let mut manager = AudioManager::::new(AudioManagerSettings::default())?;
let sound_data = StaticSoundData::from_file("sound.ogg")?;
let mut sound = manager.play(sound_data)?;
// Start smoothly adjusting the playback rate parameter.
sound.set_playback_rate(
	2.0,
	Tween {
		duration: Duration::from_secs(3),
		..Default::default()
	},
);

使用应用了低通滤波器的声音 (这会使音频听起来更好) 模糊):

rust

use kira::{
	AudioManager, AudioManagerSettings, DefaultBackend,
	sound::static_sound::StaticSoundData,
	track::{
		TrackBuilder,
		effect::filter::FilterBuilder,
	},
};

let mut manager = AudioManager::::new(AudioManagerSettings::default())?;
// Create a mixer sub-track with a filter.
let track = manager.add_sub_track({
	let mut builder = TrackBuilder::new();
	builder.add_effect(FilterBuilder::new().cutoff(1000.0));
	builder
})?;
// Play the sound on the track.
let sound_data = StaticSoundData::from_file("sound.ogg")?.output_destination(&track);
manager.play(sound_data)?;