Gallery

gistfile1.twig

{% if block|length>1 %}
{
    "role": "gallery",
    "layout": "galleryLayout",
    "behavior": {
        "type": "parallax",
        "factor": 0.8
    },
    "items": [
    {% for image in block %}
        {
            "URL": "bundle://{{ image|url_encode }}"
        }{% if not loop.last %},{% endif %}
    {% endfor %}
    ]
},
{% elseif block|length == 1 %}
{
    "role": "photo",
    "layout": "imageLayout",
    "behavior": {
        "type": "parallax",
        "factor": 0.8
    },
    "fillMode": "cover",
    "URL": "bundle://{{ block[0]|url_encode }}"
},
{% endif %}