multiply method
Multiplies this vector by v.
Implementation
Vector3 multiply(v, [w]) {
if (w != null) {
print('THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.');
return multiplyVectors(v, w);
}
x *= v.x;
y *= v.y;
z *= v.z;
return this;
}