MinieLibrary/src/main/java/com/jme3/bullet/animation/DacLinks.java
/**
     * Callback from Bullet, invoked just before the physics is stepped. A good
     * time to clear/apply forces.
     *
     * @param space the space that is about to be stepped (not null)
     * @param timeStep the time per physics step (in seconds, &ge;0)
     */
Callback from Bullet, invoked just before the physics is stepped. A good
time to clear/apply forces.

@param space the space that is about to be stepped (not null)
@param timeStep the time per physics step (in seconds, ≥0)
Callback from Bullet invoked just before the physics is stepped . A good time to clear / apply forces . @param space the space that is about to be stepped ( not null ) @param timeStep the time per physics step ( in seconds ≥0 )
@Override
    public void prePhysicsTick(PhysicsSpace space, float timeStep) {
        assert space == getPhysicsSpace();
        Validate.nonNegative(timeStep, "time step");
        torsoLink.preTick(timeStep);
        for (BoneLink boneLink : boneLinkList) {
            boneLink.preTick(timeStep);
        }
        for (AttachmentLink link : attachmentLinks.values()) {
            link.preTick(timeStep);
        }
    }
@ Override public void prePhysicsTick ( PhysicsSpace space , float timeStep ) { assert space == getPhysicsSpace ( ) ; Validate . nonNegative ( timeStep , "time step" ) ; torsoLink . preTick ( timeStep ) ; for ( BoneLink boneLink : boneLinkList ) { boneLink . preTick ( timeStep ) ; } for ( AttachmentLink link : attachmentLinks . values ( ) ) { link . preTick ( timeStep ) ; } }
Callback from Bullet, invoked just before the physics is stepped.
Callback from Bullet invoked just before the physics is stepped .