# Sandbox.ParticleGradient.Evaluate

## Overload 1

```csharp
Color Evaluate(in float delta, in float randomFixed)
```

### Parameters

- `in delta` (`float`)
- `in randomFixed` (`float`)

### Returns

`Color`

## Overload 2

```csharp
Color Evaluate(Particle p, int seed, int line = 0)
```

### Parameters

- `p` (`Particle`)
- `seed` (`int`)
- `line` (`int`), default `0`

### Returns

`Color`

Declared in [Sandbox.ParticleGradient](/api/Sandbox.ParticleGradient).
Assembly: `Sandbox.Engine`.