package info.u250.c2d.box2d.model; public abstract class b2FixtureDefModel extends b2Model{ private static final long serialVersionUID = 1L; /** The friction coefficient, usually in the range [0,1]. **/ public float friction = 0.2f; /** The restitution (elasticity) usually in the range [0,1]. **/ public float restitution = 0; /** The density, usually in kg/m^2. **/ public float density = 1; /** A sensor shape collects contact information but never generates a collision response. */ public boolean isSensor = false; /** Contact filtering data. **/ /** The collision category bits. Normally you would just set one bit. */ public short categoryBits = 0x0001; /** The collision mask bits. This states the categories that this shape would accept for collision. */ public short maskBits = -1; /** Collision groups allow a certain group of objects to never collide (negative) or always collide (positive). Zero means no * collision group. Non-zero group filtering always wins against the mask bits. */ public short groupIndex = 0; }