Fix types

Author: pi-kei

types/phaser.d.ts

@@ -57954,6 +57954,10 @@ declare namespace Phaser {
                  * Time, in seconds, that should elapse before the sound actually starts its playback.
                  */
                 delay?: number;
+                /**
+                 * A value between -1 (full left pan) and 1 (full right pan). 0 means no pan.
+                 */
+                pan?: number;
             };
 
             /**
@@ -75789,6 +75793,22 @@ declare namespace Phaser {
              */
             const MUTE: any;
 
+            /**
+             * The Sound Pan Event.
+             *
+             * This event is dispatched by both Web Audio and HTML5 Audio Sound objects when their pan changes.
+             *
+             * Listen to it from a Sound instance using `Sound.on('pan', listener)`, i.e.:
+             *
+             * ```javascript
+             * var sound = this.sound.add('key');
+             * sound.on('pan', listener);
+             * sound.play();
+             * sound.setPan(0.5);
+             * ```
+             */
+            const PAN: any;
+
             /**
              * The Pause All Sounds Event.
              * 
@@ -76078,6 +76098,18 @@ declare namespace Phaser {
              */
             setLoop(value: boolean): Phaser.Sound.HTML5AudioSound;
 
+            /**
+             * Gets or sets the pan of this sound, a value between -1 (full left pan) and 1 (full right pan).
+             * Has no effect on HTML5 Audio Sound.
+             */
+            pan: number;
+
+            /**
+             * Sets the pan of this Sound. Has no effect on HTML5 Audio Sound.
+             * @param value The pan of the sound.
+             */
+            setPan(value: number): Phaser.Sound.HTML5AudioSound;
+
         }
 
         /**
@@ -76400,6 +76432,16 @@ declare namespace Phaser {
              */
             setLoop(value: boolean): Phaser.Sound.WebAudioSound;
 
+            /**
+             * Gets or sets the pan of this sound, a value between -1 (full left pan) and 1 (full right pan).
+             */
+            pan: number;
+
+            /**
+             * Sets the pan of this Sound.
+             * @param value The pan of the sound.
+             */
+            setPan(value: number): Phaser.Sound.WebAudioSound;
         }
 
         /**