# fluid.sample-invalid

> Talos next · Since 0.7

`ctx.water.sample`, `ctx.wind.sample`, `ctx.water.poke` or `ctx.entity.setWaterWake` was given a value that is NaN or infinite, or `poke` a radius of 0 or less (`RangeError`); nothing is read, poked or fed

| | |
|---|---|
| Severity | `error` |

## Meaning

`ctx.water.sample`, `ctx.wind.sample`, `ctx.water.poke` or `ctx.entity.setWaterWake` was given a value that is NaN or infinite, or `poke` a radius of 0 or less (`RangeError`); nothing is read, poked or fed

## Fix

check the arithmetic that built the point; pass finite world coordinates