libgdx/libgdx — pull request #1029 by jrenner (2013-12-02 06:49:14+00:00)
Title: Sprite alpha

Previously, to change just a sprite's alpha I had to do this:
```java
Color color = sprite.getColor();
color.a = newAlpha;
sprite.setColor(color);
```

now you can just do this, and it should perform a little faster as well (not tested):
```java
sprite.setAlpha(newAlpha);
```