# vfx.explain

> Talos next · Since next

Plain reasons from the measurements, each with a fix: nothing alive and why, a short pool, no lift, too faint, under a pixel.

It cannot say whether it looks good.

| | |
|---|---|
| Title | Explain an effect |
| Mode | `disk` |
| Token cost | about 157 tokens (listed only when its toolset is enabled) |
| Toolset | `vfx` |

## Arguments

| Argument | Type | Required | Default | Allowed values | Description |
|---|---|---|---|---|---|
| `distances` | `number[]` | no |  |  | Metres, for on-screen sizes |
| `params` | `object` | no |  |  | Values over the defaults |
| `path` | `string` | yes |  |  |  |
| `seconds` | `number` | no |  |  |  |
| `speed` | `number` | no |  |  | How fast the instance moves, m/s |

## Example

An MCP `tools/call` with the required arguments (placeholders in angle brackets).

```json
{
  "name": "vfx.explain",
  "arguments": {
    "path": "<path>"
  }
}
```