public static FloatBuffer createVector3Buffer(int vertices) {
        FloatBuffer vBuff = createFloatBuffer(3 * vertices);
        return vBuff;
    }
Create a new FloatBuffer of an appropriate size to hold the specified
number of Vector3f object data.

@param vertices
           number of vertices that need to be held by the newly created
           buffer
@return the requested new FloatBuffer
jme3-core/src/main/java/com/jme3/util/BufferUtils.java