net.dermetfan.gdx.physics.box2d

Class Breakable.Manager

java.lang.Object

net.dermetfan.gdx.physics.box2d.Breakable.Manager

All Implemented Interfaces:

com.badlogic.gdx.physics.box2d.ContactListener

Enclosing class:

Breakable

public static class Breakable.Manager
extends java.lang.Object
implements com.badlogic.gdx.physics.box2d.ContactListener

Manages the Breakables of the Contacts it receives. Do not forget to set as ContactListener and to call destroy() after every world step.

Author:

dermetfan

Field Summary

Fields

Modifier and Type	Field and Description
com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Body>	brokenBodies the bodies that broke in strain(Contact, ContactImpulse)
com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Fixture>	brokenFixtures the fixtures that broke in strain(Contact, ContactImpulse)
com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Joint>	brokenJoints the joints that broke in strain(Joint, float)
static net.dermetfan.utils.Function<java.lang.Object,Breakable>	defaultUserDataAccessor the userDataAccessor used by default
private com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Joint>	tmpJoints used for World.getJoints(Array) in strain(World, float)
private net.dermetfan.utils.Function<java.lang.Object,Breakable>	userDataAccessor the Function used to access a Breakable in user data (access must return a Breakable)

Constructor Summary

Constructors

Constructor and Description
Manager() instantiates a new Breakable.Manager
Manager(net.dermetfan.utils.Function<java.lang.Object,Breakable> userDataAccessor) instantiates a new Breakable.Manager with the given userDataAccessor

Method Summary

Modifier and Type	Method and Description
void	beginContact(com.badlogic.gdx.physics.box2d.Contact contact) does nothing
void	destroy() actually destroys all bodies in brokenBodies and fixtures in brokenFixtures
void	destroy(com.badlogic.gdx.physics.box2d.Body body)
void	destroy(com.badlogic.gdx.physics.box2d.Fixture fixture) destroys the given fixture (and its body depending on Breakable.breakBodyWithoutFixtures and Breakable.breakBody)
void	destroy(com.badlogic.gdx.physics.box2d.Joint joint)
void	endContact(com.badlogic.gdx.physics.box2d.Contact contact) does nothing
com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Body>	getBrokenBodies()
com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Fixture>	getBrokenFixtures()
net.dermetfan.utils.Function<java.lang.Object,Breakable>	getUserDataAccessor()
void	postSolve(com.badlogic.gdx.physics.box2d.Contact contact, com.badlogic.gdx.physics.box2d.ContactImpulse impulse) calls strain(Contact, ContactImpulse)
void	preSolve(com.badlogic.gdx.physics.box2d.Contact contact, com.badlogic.gdx.physics.box2d.Manifold oldManifold) does nothing
void	setUserDataAccessor(net.dermetfan.utils.Function<java.lang.Object,Breakable> userDataAccessor)
static boolean	shouldBreak(Breakable breakable, float normalImpulse, float tangentImpulse, com.badlogic.gdx.physics.box2d.Contact contact, com.badlogic.gdx.physics.box2d.ContactImpulse impulse, com.badlogic.gdx.physics.box2d.Fixture fixture)
static boolean	shouldBreak(Breakable breakable, com.badlogic.gdx.math.Vector2 reactionForce, float reactionTorque, com.badlogic.gdx.physics.box2d.Joint joint)
void	strain(com.badlogic.gdx.physics.box2d.Contact contact, com.badlogic.gdx.physics.box2d.ContactImpulse impulse) destroys/destroys all fixtures/bodies involved in the given Contact if they could not bear the given impulse
void	strain(com.badlogic.gdx.physics.box2d.Joint joint, float delta) destroy
void	strain(com.badlogic.gdx.physics.box2d.World world, float delta) strains all joints in the given world

Methods inherited from class java.lang.Object

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

Field Detail

brokenFixtures

public final com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Fixture> brokenFixtures

the fixtures that broke in strain(Contact, ContactImpulse)

brokenBodies

public final com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Body> brokenBodies

the bodies that broke in strain(Contact, ContactImpulse)

brokenJoints

public final com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Joint> brokenJoints

the joints that broke in strain(Joint, float)

defaultUserDataAccessor

public static final net.dermetfan.utils.Function<java.lang.Object,Breakable> defaultUserDataAccessor

the userDataAccessor used by default

userDataAccessor

private net.dermetfan.utils.Function<java.lang.Object,Breakable> userDataAccessor

the Function used to access a Breakable in user data (access must return a Breakable)

tmpJoints

private final com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Joint> tmpJoints

used for World.getJoints(Array) in strain(World, float)

Constructor Detail

Manager

public Manager()

instantiates a new Breakable.Manager

Manager

public Manager(net.dermetfan.utils.Function<java.lang.Object,Breakable> userDataAccessor)

instantiates a new Breakable.Manager with the given userDataAccessor

Method Detail

destroy

public void destroy()

actually destroys all bodies in brokenBodies and fixtures in brokenFixtures

strain

public void strain(com.badlogic.gdx.physics.box2d.Contact contact,
                   com.badlogic.gdx.physics.box2d.ContactImpulse impulse)

destroys/destroys all fixtures/bodies involved in the given Contact if they could not bear the given impulse

strain

public void strain(com.badlogic.gdx.physics.box2d.World world,
                   float delta)

strains all joints in the given world

strain

public void strain(com.badlogic.gdx.physics.box2d.Joint joint,
                   float delta)

destroy

shouldBreak

public static boolean shouldBreak(Breakable breakable,
                                  float normalImpulse,
                                  float tangentImpulse,
                                  com.badlogic.gdx.physics.box2d.Contact contact,
                                  com.badlogic.gdx.physics.box2d.ContactImpulse impulse,
                                  com.badlogic.gdx.physics.box2d.Fixture fixture)

Parameters:

contact - for Breakable.Callback.strained(Fixture, Breakable, Contact, ContactImpulse, float, float)

impulse - for Breakable.Callback.strained(Fixture, Breakable, Contact, ContactImpulse, float, float)

fixture - for Breakable.Callback.strained(Fixture, Breakable, Contact, ContactImpulse, float, float)

Returns:

if the fixtures and bodies involved in the given contact should break under the given circumstances

shouldBreak

public static boolean shouldBreak(Breakable breakable,
                                  com.badlogic.gdx.math.Vector2 reactionForce,
                                  float reactionTorque,
                                  com.badlogic.gdx.physics.box2d.Joint joint)

Parameters:

reactionForce - the reaction force

reactionTorque - the reaction torque

joint - which circumstances to test

Returns:

if the joint strained with the given values should break

destroy

public void destroy(com.badlogic.gdx.physics.box2d.Fixture fixture)

destroys the given fixture (and its body depending on Breakable.breakBodyWithoutFixtures and Breakable.breakBody)

Parameters:

fixture - the Fixture to destroy

destroy

public void destroy(com.badlogic.gdx.physics.box2d.Body body)

Parameters:

body - the Body to destroy

destroy

public void destroy(com.badlogic.gdx.physics.box2d.Joint joint)

Parameters:

joint - the Joint to destroy

beginContact

public void beginContact(com.badlogic.gdx.physics.box2d.Contact contact)

does nothing

Specified by:

beginContact in interface com.badlogic.gdx.physics.box2d.ContactListener

preSolve

public void preSolve(com.badlogic.gdx.physics.box2d.Contact contact,
                     com.badlogic.gdx.physics.box2d.Manifold oldManifold)

does nothing

Specified by:

preSolve in interface com.badlogic.gdx.physics.box2d.ContactListener

postSolve

public void postSolve(com.badlogic.gdx.physics.box2d.Contact contact,
                      com.badlogic.gdx.physics.box2d.ContactImpulse impulse)

calls strain(Contact, ContactImpulse)

Specified by:

postSolve in interface com.badlogic.gdx.physics.box2d.ContactListener

endContact

public void endContact(com.badlogic.gdx.physics.box2d.Contact contact)

does nothing

Specified by:

endContact in interface com.badlogic.gdx.physics.box2d.ContactListener

getBrokenFixtures

public com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Fixture> getBrokenFixtures()

Returns:

the brokenFixtures

getBrokenBodies

public com.badlogic.gdx.utils.Array<com.badlogic.gdx.physics.box2d.Body> getBrokenBodies()

Returns:

the brokenBodies

getUserDataAccessor

public net.dermetfan.utils.Function<java.lang.Object,Breakable> getUserDataAccessor()

Returns:

the userDataAccessor

setUserDataAccessor

public void setUserDataAccessor(net.dermetfan.utils.Function<java.lang.Object,Breakable> userDataAccessor)

Parameters:

userDataAccessor - the userDataAccessor to set