worldToLocal method
      
Vector3
worldToLocal(
    
- Vector3 vector
inherited
    vector - A vector representing a position in world space.
Converts the vector from world space to this object's local space.
Implementation
Vector3 worldToLocal(Vector3 vector) {
  m1.setFrom(matrixWorld);
  m1.invert();
  vector.applyMatrix4(m1);
  return vector;
}