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.