---
name: "SDL_ALPHA_TRANSPARENT_FLOAT"
section: "3"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_ALPHA_TRANSPARENT_FLOAT"
---

# SDL\_ALPHA\_TRANSPARENT\_FLOAT(3)

A fully transparent floating point alpha value.

## NAME

SDL\_ALPHA\_TRANSPARENT\_FLOAT - A fully transparent floating point alpha value.

## HEADER FILE

Defined in SDL3/SDL\_pixels.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**#define SDL\_ALPHA\_TRANSPARENT\_FLOAT 0.0f**

## AVAILABILITY

This macro is available since SDL 3.2.0.

## SEE ALSO

**•**(3), [**SDL\_ALPHA\_OPAQUE\_FLOAT**(3)](/SDL_ALPHA_OPAQUE_FLOAT/3.md)