Vector3Angle method
Calculate angle between two vectors
Implementation
@override
double Vector3Angle(
Vector3D v1,
Vector3D v2,
) => _ffi.Vector3Angle(
$.Vector3$.Ref1(v1).asNativePointer<Vector3C>().ref,
$.Vector3$.Ref2(v2).asNativePointer<Vector3C>().ref,
);