AnimationClipCreator: default to empty string for clip name (#30666)

Co-authored-by: Samuel Rigaud <srigaud@duodisplay.com>

examples/jsm/animation/AnimationClipCreator.js

@@ -30,7 +30,7 @@ class AnimationClipCreator {
 
 		const track = new NumberKeyframeTrack( trackName, times, values );
 
-		return new AnimationClip( null, period, [ track ] );
+		return new AnimationClip( '', period, [ track ] );
 
 	}
 
@@ -50,7 +50,7 @@ class AnimationClipCreator {
 
 		const track = new NumberKeyframeTrack( trackName, times, values );
 
-		return new AnimationClip( null, period, [ track ] );
+		return new AnimationClip( '', period, [ track ] );
 
 	}
 
@@ -59,7 +59,7 @@ class AnimationClipCreator {
 	 * in the given period.
 	 *
 	 * @param {number} duration - The duration of the animation.
-	 * @param {number} shakeScale - The scale of the shake.
+	 * @param {Vector3} shakeScale - The scale of the shake.
 	 * @return {AnimationClip} The created animation clip.
 	 */
 	static CreateShakeAnimation( duration, shakeScale ) {
@@ -80,7 +80,7 @@ class AnimationClipCreator {
 
 		const track = new VectorKeyframeTrack( trackName, times, values );
 
-		return new AnimationClip( null, duration, [ track ] );
+		return new AnimationClip( '', duration, [ track ] );
 
 	}
 
@@ -110,7 +110,7 @@ class AnimationClipCreator {
 
 		const track = new VectorKeyframeTrack( trackName, times, values );
 
-		return new AnimationClip( null, duration, [ track ] );
+		return new AnimationClip( '', duration, [ track ] );
 
 	}
 
@@ -128,7 +128,7 @@ class AnimationClipCreator {
 
 		const track = new BooleanKeyframeTrack( trackName, times, values );
 
-		return new AnimationClip( null, duration, [ track ] );
+		return new AnimationClip( '', duration, [ track ] );
 
 	}
 
@@ -158,7 +158,7 @@ class AnimationClipCreator {
 
 		const track = new ColorKeyframeTrack( trackName, times, values );
 
-		return new AnimationClip( null, duration, [ track ] );
+		return new AnimationClip( '', duration, [ track ] );
 
 	}