Function

CATransform3DIsIdentity(_:)

Returns a Boolean value that indicates whether the transform is the identity transform.

Declaration

func CATransform3DIsIdentity(_ t: CATransform3D) -> Bool

Return Value

true if t is the identity transform, otherwise false.

See Also

Determining Transform Properties

func CATransform3DIsAffine(CATransform3D) -> Bool

Returns true if t can be exactly represented by an affine transform.

func CATransform3DEqualToTransform(CATransform3D, CATransform3D) -> Bool

Returns a Boolean value that indicates whether the two transforms are exactly equal.