reference user()
	{
	reference body()
		{
		transform hip(position(1 0 0))
			{
			pointAtNode(node(ankle),
					mode(axis 1 0 0))
				{
				distance(node(ankle),
					startValue(90),
				endValue(55),
					minimum(0),
					maximum(90),
					when(changed,socket.orientation($value 0 0)))
				transform socket()
					{
					object upperLeg(file(avatarArm.pfb))
					transform(position(0 1 0))
						{
						node knee()
						}
					}
				}
			transform stride_(position(0 0 0))
				{
				gravity fall(height(0.25))
				}
			}
		}
	}

timer pace(duration(0.5),
		when(changed,place_.set($value),
				raise_.set($value)),
		when(start,place_.set(0),
			place_.node(fall),
			start),
		when(end,raise_.set(0),
			place_.node++,
			place_.event(switch)++))

mover raise_()
        {
	moveToNode place_(node(fall),
			set(1),
			when(switch,
				startOrientation($orientation0 $orientation1 $orientation2),
				startPosition($position0 $position1 $position2)))

                {
		object foot(file(avatarFoot.pfb))
		transform ankle(position(0 -0.3 0.4))
			{
			pointAtNode(node(knee))
				{
				object lowerLeg(file(avatarLeg.pfb))
				}
			}
                }
        }

//adjust and clamp foot stride
interpolate(startValue(0),
		endValue(30),
		maximums(2),
		minimums(-2),
		when(changed,stride_.position(0 $value 0)))
	{
	add(when(changed,magnitude_.abs($value)))
		{
		value velocity_()
		}
	}

//adjust foot raise
interpolate(startValue(0),
		endValue(50),
		maximums(10),
		minimums(0),
		when(changed,raise_.endPosition(0 0 $value)))
	{
	mathematics magnitude_()
	}