[AnimationTree] node resource that contains many blend type nodes. This node may contain a sub-tree of any other blend type nodes, such as mix, blend2, blend3, one shot, etc. This is one of the most commonly used roots. https://docs.godotengine.org/en/3.2/tutorials/animation/animation_tree.html Adds an [AnimationNode] at the given [code]position[/code]. The [code]name[/code] is used to identify the created sub-node later. Connects the output of an [AnimationNode] as input for another [AnimationNode], at the input port specified by [code]input_index[/code]. Disconnects the node connected to the specified input. Returns the sub-node with the specified [code]name[/code]. Returns the position of the sub-node with the specified [code]name[/code]. Returns [code]true[/code] if a sub-node with specified [code]name[/code] exists. Removes a sub-node. Changes the name of a sub-node. Modifies the position of a sub-node. The global offset of all sub-nodes. The connection was successful. The input node is [code]null[/code]. The specified input port is out of range. The output node is [code]null[/code]. Input and output nodes are the same. The specified connection already exists.