Godot Animation Tree Mastery

This is the deep dive you need if you're building anything beyond basic character animation in Godot. It covers StateMachine travel patterns, BlendSpace2D for directional movement blending, and all the gotchas that cause jitter and broken states. The "NEVER" section alone is worth it: calling play() directly on AnimationPlayer while AnimationTree is active will wreck your transitions, and forgetting to set active to true is embarrassingly common. The scripts show parameter guard patterns to prevent cache churn, OneShot nodes for reactive animations like hit reactions, and proper root motion extraction. If you're dealing with layered combat animations, sync groups, or nested state machines, this has the architecture patterns you'll actually use.