net.dermetfan.gdx.physics.box2d

Class RotationController

java.lang.Object

net.dermetfan.gdx.physics.box2d.RotationController

Direct Known Subclasses:

RotationController.D, RotationController.P, RotationController.PD

public abstract class RotationController
extends java.lang.Object

rotates a body to an angle using torque

Since:

0.11.1

Author:

dermetfan

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RotationController.D the derivative control loop component
static class	RotationController.P the proportional control loop component
static class	RotationController.PD a proportional-derivative controller

Field Summary

Fields

Modifier and Type	Field and Description
static net.dermetfan.utils.Function<java.lang.Object,RotationController>	defaultUserDataAccessor returns the argument if it is a RotationController
private static net.dermetfan.utils.Function<java.lang.Object,RotationController>	userDataAccessor the Function used to extract a RotationController out of a Body's user data

Constructor Summary

Constructors

Constructor and Description
RotationController()

Method Summary

Modifier and Type	Method and Description
float	applyTorque(com.badlogic.gdx.physics.box2d.Body body, boolean wake) applies the necessary torque
static void	applyTorque(com.badlogic.gdx.physics.box2d.World world, boolean wake) Calls applyTorque for every Body with a RotationController in its user data.
abstract float	calculateTorque(com.badlogic.gdx.physics.box2d.Body body)
static net.dermetfan.utils.Function<java.lang.Object,RotationController>	getUserDataAccessor()
static void	setUserDataAccessor(net.dermetfan.utils.Function<java.lang.Object,RotationController> userDataAccessor)

Methods inherited from class java.lang.Object

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

Field Detail

defaultUserDataAccessor

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

returns the argument if it is a RotationController

userDataAccessor

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

the Function used to extract a RotationController out of a Body's user data

Constructor Detail

RotationController

public RotationController()

Method Detail

applyTorque

public static void applyTorque(com.badlogic.gdx.physics.box2d.World world,
                               boolean wake)

Calls applyTorque for every Body with a RotationController in its user data. The RotationController is accessed using the userDataAccessor.

Parameters:

world - the world which Bodies to iterate over

calculateTorque

public abstract float calculateTorque(com.badlogic.gdx.physics.box2d.Body body)

Returns:

the torque to apply

applyTorque

public float applyTorque(com.badlogic.gdx.physics.box2d.Body body,
                         boolean wake)

applies the necessary torque

Returns:

the torque applied, calculated by calculateTorque(Body)

getUserDataAccessor

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

Returns:

the userDataAccessor

setUserDataAccessor

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

Parameters:

userDataAccessor - The userDataAccessor to set. If null, defaultUserDataAccessor is set.