Matrix3.rotationY constructor
      
      Matrix3.rotationY(
    
- double radians
Rotation of radians around Y axis.
Implementation
factory Matrix3.rotationY(double radians) =>
    Matrix3.zero()..setRotationY(radians);Rotation of radians around Y axis.
factory Matrix3.rotationY(double radians) =>
    Matrix3.zero()..setRotationY(radians);