Instance Method
tangentAngle(at:side:)
The tangent angle at a node, or nil when no tangent can be determined.
Not available in Objective-C.Not available in Python.
Declaration
func tangentAngle(
at node: GSNode,
side: GSNode.Side
) -> CGFloat?See Also
Tangents
The tangent angle at a node index, or
nilwhen no tangent can be determined.The tangent unit vector at a node index, or
nilwhen no tangent can be determined.The tangent unit vector at a node index, or
nilwhen no tangent can be determined.