public static Mesh newQube(float x[], float y[],float z[], Color colors[]) {
		final int length=8;
		Mesh mesh = new Mesh(true, length, 3*length, new VertexAttribute(
				Usage.Position, 3, "quad_positions"), new VertexAttribute(
				Usage.ColorPacked, 4, "quad_colors"));

		float vertices[] = new float[length * 4];
		short indices[] = new short[length * 3];
		for (int a = 0; a < length; a++) {
			vertices[a * 4] = x[a];
			vertices[a * 4 + 1] = y[a];
			vertices[a * 4 + 2] = z[a];
			vertices[a * 4 + 3] = colors[a].toFloatBits();
			indices[a] = (short)a;
			indices[a+4] = (short)a;
		}
		indices[17] = 1;
		indices[18] = 2;
		indices[19] = 3;
		indices[20] = 4;
		indices[21] = 5;
		indices[22] = 6;
		indices[23] = 7;

		mesh.setVertices(vertices);
		mesh.setIndices(indices);

		return mesh;
	}
	}