rotation method
Implementation
VisualEffect rotation(
Angle angle, {
Alignment anchor = Alignment.center,
}) {
if (angle == Angle.zero) {
return this;
}
final transform = Matrix4.rotationZ(angle.radians);
return _TransformVisualEffect(
transform: transform,
anchor: anchor,
childSize: childSize,
childEffect: this,
);
}