Module org.dyn4j

Package org.dyn4j.world

Class Island<T extends PhysicsBody>

Object

Island<T>

Type Parameters:

T - the PhysicsBody type

public final class Island<T extends PhysicsBody>
extends Object

Used to solve the contact constraints and joints for a group of interconnected bodies.

Islands are used and setup by the ConstraintGraph during it's solving process.

Since:

1.0.0

Version:

4.0.0

Author:

William Bittle

Constructor Summary

Constructors

Constructor	Description
Island()	Default constructor.
Island(int initialBodyCount, int initialJointCount)	Full constructor.

Method Summary

Modifier and Type	Method	Description
void	add(ContactConstraint<T> contactConstraint)	Adds the given ContactConstraint to the ContactConstraint list.
void	add(Joint<T> joint)	Adds the given Joint to the Joint list.
void	add(T body)	Adds the given PhysicsBody to the PhysicsBody list.
void	clear()	Clears the island.
void	solve(ContactConstraintSolver<T> solver, Vector2 gravity, TimeStep step, Settings settings)	Integrates the PhysicsBodys, solves all ContactConstraints and Joints, and attempts to sleep motionless PhysicsBodys.

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Island

public Island()

Default constructor.

Since:

3.2.0

Island

public Island(int initialBodyCount,
              int initialJointCount)

Full constructor.

Parameters:

initialBodyCount - the initial body capacity

initialJointCount - the initial joint capacity

Since:

4.0.0

Method Detail

clear

public void clear()

Clears the island.

add

public void add(T body)

Adds the given PhysicsBody to the PhysicsBody list.

Parameters:

body - the PhysicsBody

add

public void add(ContactConstraint<T> contactConstraint)

Adds the given ContactConstraint to the ContactConstraint list.

Parameters:

contactConstraint - the ContactConstraint

add

public void add(Joint<T> joint)

Adds the given Joint to the Joint list.

Parameters:

joint - the Joint

solve

public void solve(ContactConstraintSolver<T> solver,
                  Vector2 gravity,
                  TimeStep step,
                  Settings settings)

Integrates the PhysicsBodys, solves all ContactConstraints and Joints, and attempts to sleep motionless PhysicsBodys.

Parameters:

solver - the contact constraint solver

gravity - the gravity vector

step - the time step information

settings - the current world settings