From 307bf8a10d47d0057f7253446b51857e53308dd1 Mon Sep 17 00:00:00 2001
From: unanmed <1319491857@qq.com>
Date: Wed, 15 Jan 2025 21:53:54 +0800
Subject: [PATCH] feat: All intrinsic audio effects

---
 src/module/audio/effect.ts | 42 +++++++++++++++++++++++++++++---------
 src/module/audio/player.ts | 11 ++++++++++
 2 files changed, 43 insertions(+), 10 deletions(-)

diff --git a/src/module/audio/effect.ts b/src/module/audio/effect.ts
index f6d1989..1471058 100644
--- a/src/module/audio/effect.ts
+++ b/src/module/audio/effect.ts
@@ -83,7 +83,11 @@ export class StereoEffect extends AudioEffect {
      * @param y 朝向y坐标
      * @param z 朝向z坐标
      */
-    setOrientation(x: number, y: number, z: number) {}
+    setOrientation(x: number, y: number, z: number) {
+        this.output.orientationX.value = x;
+        this.output.orientationY.value = y;
+        this.output.orientationZ.value = z;
+    }
 
     /**
      * 设置音频位置，x正方形水平向右，y正方形垂直于地面向上，z正方向垂直屏幕远离用户
@@ -91,7 +95,11 @@ export class StereoEffect extends AudioEffect {
      * @param y 位置y坐标
      * @param z 位置z坐标
      */
-    setPosition(x: number, y: number, z: number) {}
+    setPosition(x: number, y: number, z: number) {
+        this.output.positionX.value = x;
+        this.output.positionY.value = y;
+        this.output.positionZ.value = z;
+    }
 
     end(): void {}
 
@@ -113,12 +121,16 @@ export class VolumeEffect extends AudioEffect {
      * 设置音量大小
      * @param volume 音量大小
      */
-    setVolume(volume: number) {}
+    setVolume(volume: number) {
+        this.output.gain.value = volume;
+    }
 
     /**
      * 获取音量大小
      */
-    getVolume(): number {}
+    getVolume(): number {
+        return this.output.gain.value;
+    }
 
     end(): void {}
 
@@ -148,16 +160,22 @@ export class ChannelVolumeEffect extends AudioEffect {
 
     /**
      * 设置某个声道的音量大小
-     * @param channel 要设置的声道
+     * @param channel 要设置的声道，可填0-5
      * @param volume 这个声道的音量大小
      */
-    setVolume(channel: number, volume: number) {}
+    setVolume(channel: number, volume: number) {
+        if (!this.gain[channel]) return;
+        this.gain[channel].gain.value = volume;
+    }
 
     /**
-     * 获取某个声道的音量大小
+     * 获取某个声道的音量大小，可填0-5
      * @param channel 要获取的声道
      */
-    getVolume(channel: number): number {}
+    getVolume(channel: number): number {
+        if (!this.gain[channel]) return 0;
+        return this.gain[channel].gain.value;
+    }
 
     end(): void {}
 
@@ -179,12 +197,16 @@ export class DelayEffect extends AudioEffect {
      * 设置延迟时长
      * @param delay 延迟时长，单位秒
      */
-    setDelay(delay: number) {}
+    setDelay(delay: number) {
+        this.output.delayTime.value = delay;
+    }
 
     /**
      * 获取延迟时长
      */
-    getDelay() {}
+    getDelay() {
+        return this.output.delayTime.value;
+    }
 
     end(): void {}
 
diff --git a/src/module/audio/player.ts b/src/module/audio/player.ts
index d52e4ae..abc26b1 100644
--- a/src/module/audio/player.ts
+++ b/src/module/audio/player.ts
@@ -8,6 +8,7 @@ import {
 import {
     AudioEffect,
     ChannelVolumeEffect,
+    DelayEffect,
     EchoEffect,
     IAudioOutput,
     StereoEffect,
@@ -138,6 +139,16 @@ export class AudioPlayer extends EventEmitter<AudioPlayerEvent> {
         return new ChannelVolumeEffect(this.ac);
     }
 
+    /**
+     * 创建一个延迟效果器
+     *             |-----------|
+     * Input ----> | DelayNode | ----> Output
+     *             |-----------|
+     */
+    createDelay() {
+        return new DelayEffect(this.ac);
+    }
+
     /**
      * 创建一个回声效果器
      * ```txt