Instance Method
tangentAngleAtNode:direction: tangentAngleAtNode:direction: tangentAngleAtNode_direction_
The tangent angle at a node.
Not available in Swift.
Declaration
- (CGFloat) tangentAngleAtNode:(GSNode *) node direction:(int) direction;Declaration
tangentAngleAtNode_direction_(node: GSNode, direction: int) -> floatDiscussion
Nonnegative direction values use following nodes. Negative direction values use preceding nodes.
Returns NSNotFound when no tangent can be determined.
See Also
Tangents
The tangent angle at a node index.
The tangent unit vector at a node index.
The tangent unit vector at a node index.