ProcessTileSeparationY = function (body, y)
{
    if (y < 0)
    {
        body.blocked.none = false;
        body.blocked.up = true;
    }
    else if (y > 0)
    {
        body.blocked.none = false;
        body.blocked.down = true;
    }

    body.position.y -= y;
    body.updateCenter();

    if (body.bounce.y === 0)
    {
        body.velocity.y = 0;
    }
    else
    {
        body.velocity.y = -body.velocity.y * body.bounce.y;
    }
}
Internal function to process the separation of a physics body from a tile.

@function Phaser.Physics.Arcade.Tilemap.ProcessTileSeparationY
@since 3.0.0

@param {Phaser.Physics.Arcade.Body} body - The Body object to separate.
@param {number} y - The y separation amount.