DampedSpringJoint2D

Inherits: Joint2D < Node2D < CanvasItem < Node < Object

Damped spring constraint for 2D physics.

Description

Damped spring constraint for 2D physics. This resembles a spring joint that always wants to go back to a given length.

Properties

float	damping	1.0
float	length	50.0
float	rest_length	0.0
float	stiffness	20.0

Property Descriptions

float damping

Default	1.0
Setter	set_damping(value)
Getter	get_damping()

The spring joint's damping ratio. A value between 0 and 1. When the two bodies move into different directions the system tries to align them to the spring axis again. A high damping value forces the attached bodies to align faster.

float length

Default	50.0
Setter	set_length(value)
Getter	get_length()

The spring joint's maximum length. The two attached bodies cannot stretch it past this value.

float rest_length

Default	0.0
Setter	set_rest_length(value)
Getter	get_rest_length()

When the bodies attached to the spring joint move they stretch or squash it. The joint always tries to resize towards this length.

float stiffness

Default	20.0
Setter	set_stiffness(value)
Getter	get_stiffness()

The higher the value, the less the bodies attached to the joint will deform it. The joint applies an opposing force to the bodies, the product of the stiffness multiplied by the size difference from its resting length.