Instance Method

flattenedClone

Creates an optimized copy of the node and its children.

Declaration

- (instancetype)flattenedClone;

Return Value

A new single node containing the combined geometries and materials of the node and its child node subtree.

Discussion

Rendering complex node hierarchies can incur a performance cost. Each geometry and material requires a separate draw command to be sent to the GPU, and each draw command comes with a performance overhead. If you plan for a portion of your scene’s node hierarchy to remain static (with respect to itself, if not the rest of the scene), use this method to create a single node containing all elements of that node hierarchy that SceneKit can render using fewer draw commands.

See Also

Copying a Node

- clone

Creates a copy of the node and its children.