## Scenes and Nodes - Scene is the basis for a game level/world - Structure of the scene is tree-like, where the Scene is the root - Nodes are nodes in the scene tree - Nodes have to propagate: - Transformation (hierarchical transformation) - Input events - Frame event - We can have as many nodes nested in a node and as deep as we want - Nodes have their own properties, some of which can be seen and edited in the editor ## Custom nodes - User can create custom nodes from pre-built nodes - Custom nodes can be used similarly to built-in nodes ## Serialization - Each scene can be serialized containing information of all nodes in it - Custom node can be saved to disk, but its information in the scene will be stored in the saved scene
