Re: [pygame] using alpha for a circle

[Lenard Lindstrom <len-l@xxxxxxxxx>]

Jan Filip Tristan wrote:
> Hi,
> It seems to be an easy question but  I don't know the answer.
> How to set an alpha value to the color of a circle?
>
> TIA
> blenderkid
>
>   
First make sure the surface you draw to has source alpha:

s = pygame.Surface(size, pygame.SRCALPHA, 32)

Second use a four component color. The last component is the alpha:

pygame.draw.circle(s, (r, g, b, alpha), pos, radius)

--
Lenard Lindstrom
<len-l@xxxxxxxxx>