Module spatial_tree

Structs§

CoordinateSystem: A node in the hierarchy of coordinate system transforms.
CoordinateSystemId: An id that identifies coordinate systems in the SpatialTree. Each coordinate system has an id and those ids will be shared when the coordinates system are the same or are in the same axis-aligned space. This allows for optimizing mask generation.
SceneSpatialTree: The representation of the spatial tree during scene building, which is mostly write-only, with a small number of queries for snapping, picture cache building.
SpatialNodeIndex
SpatialTree: Represents the spatial tree during frame building, which is mostly read-only, apart from the tree update at the start of the frame
SpatialTreeUpdate
SpatialTreeUpdates: The full set of spatial nodes for the scene that just finished building. apply_updates consumes this by replacing the frame-side tree wholesale.
TransformUpdateState

CoordinateSpaceMapping: Transformation between two nodes in the spatial tree that can sometimes be encoded more efficiently than with a full matrix.
TransformScroll 🔒
VisibleFace

SpatialNodeContainer: Allows functions and methods to retrieve common information about a spatial node, whether during scene or frame building

calculate_snapping_transform 🔒
get_external_scroll_offset: Calculate the accumulated external scroll offset for a given spatial node.