Math: Covert to ES6 default value.

src/math/Color.js

@@ -549,9 +549,7 @@ class Color {
 
 	}
 
-	fromArray( array, offset ) {
-
-		if ( offset === undefined ) offset = 0;
+	fromArray( array, offset = 0 ) {
 
 		this.r = array[ offset ];
 		this.g = array[ offset + 1 ];
@@ -561,10 +559,7 @@ class Color {
 
 	}
 
-	toArray( array, offset ) {
-
-		if ( array === undefined ) array = [];
-		if ( offset === undefined ) offset = 0;
+	toArray( array = [], offset = 0 ) {
 
 		array[ offset ] = this.r;
 		array[ offset + 1 ] = this.g;

src/math/Euler.js

@@ -280,10 +280,7 @@ class Euler {
 
 	}
 
-	toArray( array, offset ) {
-
-		if ( array === undefined ) array = [];
-		if ( offset === undefined ) offset = 0;
+	toArray( array = [], offset = 0 ) {
 
 		array[ offset ] = this._x;
 		array[ offset + 1 ] = this._y;

src/math/Matrix3.js

@@ -307,9 +307,7 @@ class Matrix3 {
 
 	}
 
-	fromArray( array, offset ) {
-
-		if ( offset === undefined ) offset = 0;
+	fromArray( array, offset = 0 ) {
 
 		for ( let i = 0; i < 9; i ++ ) {
 
@@ -321,10 +319,7 @@ class Matrix3 {
 
 	}
 
-	toArray( array, offset ) {
-
-		if ( array === undefined ) array = [];
-		if ( offset === undefined ) offset = 0;
+	toArray( array = [], offset = 0 ) {
 
 		const te = this.elements;
 
@@ -346,5 +341,4 @@ class Matrix3 {
 
 }
 
-
 export { Matrix3 };

src/math/Matrix4.js

@@ -822,9 +822,7 @@ class Matrix4 {
 
 	}
 
-	fromArray( array, offset ) {
-
-		if ( offset === undefined ) offset = 0;
+	fromArray( array = [], offset = 0 ) {
 
 		for ( let i = 0; i < 16; i ++ ) {
 
@@ -836,10 +834,7 @@ class Matrix4 {
 
 	}
 
-	toArray( array, offset ) {
-
-		if ( array === undefined ) array = [];
-		if ( offset === undefined ) offset = 0;
+	toArray( array = [], offset = 0 ) {
 
 		const te = this.elements;
 
@@ -877,5 +872,4 @@ const _x = /*@__PURE__*/ new Vector3();
 const _y = /*@__PURE__*/ new Vector3();
 const _z = /*@__PURE__*/ new Vector3();
 
-
 export { Matrix4 };

src/math/Quaternion.js

@@ -589,9 +589,7 @@ class Quaternion {
 
 	}
 
-	fromArray( array, offset ) {
-
-		if ( offset === undefined ) offset = 0;
+	fromArray( array, offset = 0 ) {
 
 		this._x = array[ offset ];
 		this._y = array[ offset + 1 ];
@@ -604,10 +602,7 @@ class Quaternion {
 
 	}
 
-	toArray( array, offset ) {
-
-		if ( array === undefined ) array = [];
-		if ( offset === undefined ) offset = 0;
+	toArray( array = [], offset = 0 ) {
 
 		array[ offset ] = this._x;
 		array[ offset + 1 ] = this._y;
@@ -641,5 +636,4 @@ class Quaternion {
 
 }
 
-
 export { Quaternion };

src/math/SphericalHarmonics3.js

@@ -185,9 +185,7 @@ class SphericalHarmonics3 {
 
 	}
 
-	fromArray( array, offset ) {
-
-		if ( offset === undefined ) offset = 0;
+	fromArray( array, offset = 0 ) {
 
 		const coefficients = this.coefficients;
 
@@ -201,10 +199,7 @@ class SphericalHarmonics3 {
 
 	}
 
-	toArray( array, offset ) {
-
-		if ( array === undefined ) array = [];
-		if ( offset === undefined ) offset = 0;
+	toArray( array = [], offset = 0 ) {
 
 		const coefficients = this.coefficients;
 

src/math/Vector2.js

@@ -416,9 +416,7 @@ class Vector2 {
 
 	}
 
-	fromArray( array, offset ) {
-
-		if ( offset === undefined ) offset = 0;
+	fromArray( array, offset = 0 ) {
 
 		this.x = array[ offset ];
 		this.y = array[ offset + 1 ];
@@ -427,10 +425,7 @@ class Vector2 {
 
 	}
 
-	toArray( array, offset ) {
-
-		if ( array === undefined ) array = [];
-		if ( offset === undefined ) offset = 0;
+	toArray( array = [], offset = 0 ) {
 
 		array[ offset ] = this.x;
 		array[ offset + 1 ] = this.y;

src/math/Vector3.js

@@ -667,9 +667,7 @@ class Vector3 {
 
 	}
 
-	fromArray( array, offset ) {
-
-		if ( offset === undefined ) offset = 0;
+	fromArray( array, offset = 0 ) {
 
 		this.x = array[ offset ];
 		this.y = array[ offset + 1 ];
@@ -679,10 +677,7 @@ class Vector3 {
 
 	}
 
-	toArray( array, offset ) {
-
-		if ( array === undefined ) array = [];
-		if ( offset === undefined ) offset = 0;
+	toArray( array = [], offset = 0 ) {
 
 		array[ offset ] = this.x;
 		array[ offset + 1 ] = this.y;

src/math/Vector4.js

@@ -589,9 +589,7 @@ class Vector4 {
 
 	}
 
-	fromArray( array, offset ) {
-
-		if ( offset === undefined ) offset = 0;
+	fromArray( array, offset = 0 ) {
 
 		this.x = array[ offset ];
 		this.y = array[ offset + 1 ];
@@ -602,10 +600,7 @@ class Vector4 {
 
 	}
 
-	toArray( array, offset ) {
-
-		if ( array === undefined ) array = [];
-		if ( offset === undefined ) offset = 0;
+	toArray( array = [], offset = 0 ) {
 
 		array[ offset ] = this.x;
 		array[ offset + 1 ] = this.y;
@@ -646,5 +641,4 @@ class Vector4 {
 
 }
 
-
 export { Vector4 };