public void updatePoints(Vector3f start, Vector3f end) {
        this.start.set(start);
        this.end.set(end);

        VertexBuffer posBuf = getBuffer(Type.Position);
        
        FloatBuffer fb = (FloatBuffer) posBuf.getData();
        fb.rewind();
        fb.put(start.x).put(start.y).put(start.z);
        fb.put(end.x).put(end.y).put(end.z);
        
        posBuf.updateData(fb);
        
        updateBound();
    }
Alter the start and end.

@param start the desired mesh location of the start (not null,
unaffected)
@param end the desired mesh location of the end (not null, unaffected)
jme3-core/src/main/java/com/jme3/scene/shape/Line.java