現(xiàn)在在Swift3.0變?yōu)樨摂?shù)的方法中,需要改成這樣:prefix func - (vector:Vector3) -> Vector3{
return Vector3(x:-vector.x,y:-vector.y,z:-vector.z)
}
return Vector3(x:-vector.x,y:-vector.y,z:-vector.z)
}
2017-03-28