orx-force-2d/org.openrndr.extra.force2d/NodeCircleConstraint

NodeCircleConstraint

class NodeCircleConstraint(val body: Body) : Constraint(source)

Represents a circular constraint applied to nodes of a physical body.

The NodeCircleConstraint ensures that nodes of the body remain within or on the boundary of a circle. It uses constraint-solving techniques to enforce this behavior over a set number of iterations with adjustable compliance and strength parameters.

Parameters

body

the Body whose nodes are subject to this circular constraint.

Constructors

NodeCircleConstraint

constructor(body: Body)

Creates a new NodeCircleConstraint with a reference to a physical body.

Properties

body

val body: Body

circle

var circle: (Node) -> Circle

a function that determines the circle for a given node. The function outputs a Circle object that specifies the center and radius of the constraint for that node.

compliance

var compliance: Double

a parameter representing the flexibility of the constraint. A higher value allows nodes to move more freely within the constraint boundary.

iterations

var iterations: Int

the number of iterations performed during constraint solving. Higher iterations can increase accuracy at the cost of computation time.

lambdas

var lambdas: DoubleArray

an array used to store lagrange multipliers for constraint force calculations for each node in the body.

strength

var strength: Double

a multiplier controlling the intensity of the constraint application. Values greater than 1 make the constraint effect stronger, while values less than 1 make it weaker.

Functions

initialize

open suspend override fun initialize()

solve

open suspend override fun solve(body: Body, dt: Double)

Resolves constraints and updates the state of nodes within the given physical body over a time step.