# hbmspace:descend_through_air

Moves a position down through air.

The modifier moves the position down while it is above `floor` and the block is empty, then emits that one position.

## Fields

| Field | Meaning and default | Range |
| - | - | - |
| `type` | `hbmspace:descend_through_air`. | |
| `floor` | Lowest Y. | `i32` |

## Example

Placement of `data/hbmspace/worldgen/placed_feature/ike/lake_bromine.json`:

```json
[
  {
    "type": "minecraft:rarity_filter",
    "chance": 8
  },
  {
    "type": "minecraft:in_square"
  },
  {
    "type": "minecraft:height_range",
    "height": {
      "type": "minecraft:uniform",
      "max_inclusive": {
        "absolute": 255
      },
      "min_inclusive": {
        "absolute": 0
      }
    }
  },
  {
    "type": "hbmspace:descend_through_air",
    "floor": 5
  },
  {
    "type": "minecraft:biome"
  }
]
```