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Returns the length of the specified floating-point vector.
| ret length(x) |
|---|
Parameters
| Item | Description |
|---|---|
| x |
The specified floating-point vector. |
Return Value
A floating-point scalar that represents the length of the x parameter.
Type Description
| Name | Template Type | Component Type | Size |
|---|---|---|---|
| x | vector | float | any |
| ret | scalar | float | 1 |
Minimum Shader Model
This function is supported in the following shader models.
| Shader Model | Supported |
|---|---|
| Shader Model 2 (DirectX HLSL) and higher shader models | yes |
| Shader Model 1 (DirectX HLSL) | yes (vs_1_1 only) |