Happy Ghast Example

gistfile1.txt

{
    type: "mapmaker:happy_ghast",
    harness: "green",
    loop: 1b,
    path: [
        [
            "~5",
            "~",
            "~"
        ],
        [
            "~5",
            "~",
            "~5"
        ],
        [
            "~",
            "~",
            "~5"
        ]
    ],
    scale: 0.001d,
    speed: 2.5d
}