Method writeAux

src/main/java/field/graphics/MeshBuilder.java:965–982

(int vertexCursor)

        Map<Integer, ArrayBuffer> b = target.buffers();
        Iterator<Map.Entry<Integer, ArrayBuffer>> m = b.entrySet()
                .iterator();

        while (m.hasNext()) {
            Map.Entry<Integer, ArrayBuffer> n = m.next();
            if (n.getKey() == 0) continue;

            float[] z = aux.get(n.getKey());
            if (z == null) {
                z = new float[n.getValue()
                        .getDimension()];
            }
            ensureSize(n.getKey(), z.length, vertexCursor).put(z);
        }
    }

    public FloatBuffer ensureSize(int attribute, int dimension, int num) {
        ArrayBuffer a = target.buffer(attribute, dimension);
        if (a == null) {
            a = target.arrayBufferFactory.newArrayBuffer((int) (num * GROWTH + 1), GL15.GL_ARRAY_BUFFER, attribute,
                    dimension, 0);