AnimationPlayer Expert guidance for Godot's timeline-based keyframe animation system. NEVER Do - NEVER forget RESET tracks — Without a RESET track, animated properties don't restore to initial values when changing scenes. Create RESET animation with all default states [12]. - NEVER use for function calls — This calls the method EVERY frame during the keyframe. Use (calls once) to avoid logic spam [13, 77]. - NEVER animate resource properties directly — Animating creates embedded resources that bloat file size. Store the material in a variable or use instead [14]. - NEVER use for looping anima…