Ian Mallett wrote:
Hi,
I'm making a game where there are status bars overlaying the main
screen. These status bars change in both length and in color according
to their length. e.g., a short bar will be red (warning that you have
limited amounts of resource), and a long bar will be green (showing
that you have enough of a resource). This part is not the problem.
What the problem is, is that until now, I've been using
pygame.draw.rect() and changing the color and rect. arguments.
Unfortunately, that does not seem to support transparency, which I
would now like to have. Normally, I would make a .png file with the
partial transparency and stretch it to fill the bar, but of course, I
would need to make a lot of
them to cover all possible colors. Ideas?
Ian
For a simple rectangle you could create a blank surface filled with a
color and blit it each time you need to render the bar. For efficiency
you could just create a small surface and tile it across the length of
the bar. Alternatively you could use numarray to do the blending,
although that wouldn't be quite as intuitive.
Regards,
Will McGugan
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