Package org.jbox2d.particle

Class ParticleGroup

java.lang.Object

org.jbox2d.particle.ParticleGroup

public class ParticleGroup
extends Object

A group of particles

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 172 - 287

Constructor Summary

Constructors

Constructor	Description
ParticleGroup()

Method Summary

Modifier and Type	Method	Description
float	getAngle()	Get the rotational angle of the particle group as a whole.
float	getAngularVelocity()	Get the angular velocity of the group.
int	getBufferIndex()	Get the offset of this group in the global particle buffer.
Vec2	getCenter()	Get the center of gravity for the group.
int	getGroupFlags()	Get the construction flags for the group.
float	getInertia()	Get the moment of inertia for the group.
Vec2	getLinearVelocity()	Get the linear velocity of the group.
float	getMass()	Get the total mass of the group: the sum of all particles in it.
ParticleGroup	getNext()	Get the next particle group from the list in world.
int	getParticleCount()	Get the number of particles.
Vec2	getPosition()	Get the position of the particle group as a whole.
Transform	getTransform()	Get the position of the group's origin and rotation.
Object	getUserData()	Get the user data pointer that was provided in the group definition.
void	setGroupFlags(int flags)	Set the construction flags for the group.
void	setUserData(Object data)	Set the user data.
void	updateStatistics()

Methods inherited from class java.lang.Object

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

Constructor Details

ParticleGroup

public ParticleGroup()

Method Details

getNext

public ParticleGroup getNext()

Get the next particle group from the list in world.

Returns:

The next particle group from the list in world

getParticleCount

public int getParticleCount()

Get the number of particles.

Returns:

The number of particles.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 185 - 186

getBufferIndex

public int getBufferIndex()

Get the offset of this group in the global particle buffer.

Returns:

The offset of this group in the global particle buffer.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 188 - 189

getGroupFlags

public int getGroupFlags()

Get the construction flags for the group.

Returns:

The construction flags for the group.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 197 - 198

setGroupFlags

public void setGroupFlags(int flags)

Set the construction flags for the group.

Parameters:

flags - The construction flags for the group

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 200 - 201

getMass

public float getMass()

Get the total mass of the group: the sum of all particles in it.

Returns:

The total mass of the group: the sum of all particles in it.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 203 - 204

getInertia

public float getInertia()

Get the moment of inertia for the group.

Returns:

The moment of inertia for the group.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 206 - 207

getCenter

public Vec2 getCenter()

Get the center of gravity for the group.

Returns:

The center of gravity for the group.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 209 - 210

getLinearVelocity

public Vec2 getLinearVelocity()

Get the linear velocity of the group.

Returns:

The linear velocity of the group.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 212 - 213

getAngularVelocity

public float getAngularVelocity()

Get the angular velocity of the group.

Returns:

The angular velocity of the group.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 215 - 216

getTransform

public Transform getTransform()

Get the position of the group's origin and rotation. Used only with groups of rigid particles.

Returns:

The position of the group's origin and rotation.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 218 - 220

getPosition

public Vec2 getPosition()

Get the position of the particle group as a whole. Used only with groups of rigid particles.

Returns:

The position of the particle group as a whole.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 222 - 224

getAngle

public float getAngle()

Get the rotational angle of the particle group as a whole. Used only with groups of rigid particles.

Returns:

The rotational angle of the particle group as a whole.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 226 - 228

getUserData

public Object getUserData()

Get the user data pointer that was provided in the group definition.

Returns:

The user data pointer that was provided in the group definition.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 236 - 237

setUserData

public void setUserData(Object data)

Set the user data. Use this to store your application specific data.

Parameters:

data - The user data.

Repolink:

Github: google/liquidfun liquidfun/Box2D/Box2D/Particle/b2ParticleGroup.h Lines 239 - 240

updateStatistics

public void updateStatistics()