2.3 KiB
Smoothstep
Menu Path : Operator > Math > Arithmetic > Smoothstep
The Smoothstep Operator calculates the linear interpolation of a value between two border values with smoothing at the limits.
This Operator returns a value between X and Y. Where this value is between X and Y depends on the value of S:
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If S is greater than 1, the result is Y.
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If S is less than 0 the result is X.
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If S is between 0 and 1 then the result is a smooth transition between X and Y. The result = (Y - X) * ( 3S2 - 2S3 ) + X
This Operator accepts input values of various types. For the list of types this Operator can use, see Available Types. The X and Y input are always of the same type. S changes to be the same type as X and Y.
Operator properties
| Input | Type | Description |
|---|---|---|
| X | Configurable | The value to interpolate from. |
| Y | Configurable | The value to interpolate to. |
| S | Configurable | A value for the interpolation. An input of either float type or the same type as X. |
| Output | Type | Description |
|---|---|---|
| Out | Output Port | The linear interpolation of S between X and Y with smoothing at the limits. The Type changes to match the type of X and Y. |
Operator configuration
To view the Smoothstep Operator’s configuration, click the cog icon in the Operator’s header. X and Y must be the same type among Available Types. If S is a vector type, Unity calculates the interpolation value by value.
Available types
You can use the following types for your input ports:
- float
- Vector
- Vector2
- Vector3
- Vector4
- Position
- Direction