src: Clean up. (#27272)

src/extras/curves/LineCurve3.js

@@ -15,6 +15,7 @@ class LineCurve3 extends Curve {
 		this.v2 = v2;
 
 	}
+
 	getPoint( t, optionalTarget = new Vector3() ) {
 
 		const point = optionalTarget;
@@ -33,6 +34,7 @@ class LineCurve3 extends Curve {
 		return point;
 
 	}
+
 	// Line curve is linear, so we can overwrite default getPointAt
 	getPointAt( u, optionalTarget ) {
 
@@ -62,6 +64,7 @@ class LineCurve3 extends Curve {
 		return this;
 
 	}
+
 	toJSON() {
 
 		const data = super.toJSON();
@@ -72,6 +75,7 @@ class LineCurve3 extends Curve {
 		return data;
 
 	}
+
 	fromJSON( json ) {
 
 		super.fromJSON( json );