org.jbox2d.collision.shapes
Class MassData

java.lang.Object
  org.jbox2d.collision.shapes.MassData

public class MassData
extends Object

This holds the mass data computed for a shape.

Field Summary

Vec2	center The position of the shape's centroid relative to the shape's origin.
float	I The rotational inertia of the shape about the local origin.
float	mass The mass of the shape, usually in kilograms.

Constructor Summary

MassData()
Blank mass data

MassData(MassData md)
Copies from the given mass data

Method Summary

MassData	clone() Return a copy of this object.
void	set(MassData md)

Methods inherited from class java.lang.Object

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

Field Detail

mass

public float mass

The mass of the shape, usually in kilograms.

center

public final Vec2 center

The position of the shape's centroid relative to the shape's origin.

I

public float I

The rotational inertia of the shape about the local origin.

Constructor Detail

MassData

public MassData()

Blank mass data

MassData

public MassData(MassData md)

Copies from the given mass data

Parameters:

md - mass data to copy from

Method Detail

set

public void set(MassData md)

clone

public MassData clone()

Return a copy of this object.

Overrides:

clone in class Object