<?xml version="1.0" encoding="UTF-8" ?> <class name="GrooveJoint2D" inherits="Joint2D" category="Core" version="3.1"> <brief_description> Groove constraint for 2D physics. </brief_description> <description> Groove constraint for 2D physics. This is useful for making a body "slide" through a segment placed in another. </description> <tutorials> </tutorials> <demos> </demos> <methods> </methods> <members> <member name="initial_offset" type="float" setter="set_initial_offset" getter="get_initial_offset"> The body B's initial anchor position defined by the joint's origin and a local offset [member initial_offset] along the joint's y axis (along the groove). Default value: [code]25[/code] </member> <member name="length" type="float" setter="set_length" getter="get_length"> The groove's length. The groove is from the joint's origin towards [member length] along the joint's local y axis. Default value: [code]50[/code] </member> </members> <constants> </constants> </class>