FBXLoader: Fix euler parsing. (#24542)

examples/jsm/loaders/FBXLoader.js

@@ -3965,7 +3965,7 @@ function generateTransform( transformData ) {
 	if ( transformData.preRotation ) {
 
 		const array = transformData.preRotation.map( MathUtils.degToRad );
-		array.push( transformData.eulerOrder );
+		array.push( transformData.eulerOrder || Euler.DefaultOrder );
 		lPreRotationM.makeRotationFromEuler( tempEuler.fromArray( array ) );
 
 	}
@@ -3973,7 +3973,7 @@ function generateTransform( transformData ) {
 	if ( transformData.rotation ) {
 
 		const array = transformData.rotation.map( MathUtils.degToRad );
-		array.push( transformData.eulerOrder );
+		array.push( transformData.eulerOrder || Euler.DefaultOrder );
 		lRotationM.makeRotationFromEuler( tempEuler.fromArray( array ) );
 
 	}
@@ -3981,7 +3981,7 @@ function generateTransform( transformData ) {
 	if ( transformData.postRotation ) {
 
 		const array = transformData.postRotation.map( MathUtils.degToRad );
-		array.push( transformData.eulerOrder );
+		array.push( transformData.eulerOrder || Euler.DefaultOrder );
 		lPostRotationM.makeRotationFromEuler( tempEuler.fromArray( array ) );
 		lPostRotationM.invert();