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1990-01-08
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41 lines
SNOWFALL
1989 by Lars R. Clausen
Well, there isn't really that much to say about SnowFall. I cooked it up
one day I felt I missed some snow, and along the way, I put in some options
for whoever might want to use them. Basically, SnowFall loads a picture, by
default "SnowPic", and lets snowflakes fall down through anything of color 0
to land on anything else, tumbling down slopes if possible to make the heaps
more realistic. On request from a shopkeeper who'd like to use it in his
display window, I made it redraw the original picture onse in a while, by
default every 10000 moves of the snowflakes. Just for fun, I also made it
possible to make a wind blow.
To start SnowFall, either duobleclick its icon or start it from CLI by
simply typing SnowFall. The command line options are these:
-p[filename] Load this file as the picture (must be an ILBM file).
-t[number] Refresh the picture every time number moves have been
done. SnowFall simply keeps a copy of the picture on
another screen, blitting it up when needed. A number of -1
means no refreshing will be done.
-w[windforce] Let the wind blow with this force. For every 8 windforce,
the snowflakes will move 1 pixel more sideways per move.
High windforces gives pretty bad results.
As usual, I provide the program 'as is', taking no responsibility at all
for what it might do to your computer and so on. Don't send me any money for
this one, it's my (late) christmas present for you all. Bugreports and
comments can be sent to:
Lars Clausen
Hougårdsvej 29
8220 Brabrand
Denmark
or: FidoNet 2:230/22.34
P.S. The way snowflakes seem to double when hitting flat ground is not a
bug, it's a feature!