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Author Topic:   What determines forest expansion?

NoMercy posted 06-10-99 01:58 PM ET
I'm intrigued to know what determines forest expansion. Some games they expand rapidly and some not. I see no pattern. i.e. terrain, altitude, faction, cloud cover etc.
Any ideas?
K posted 06-10-99 03:25 PM ET
I think they have a percentage chance each turn. I also think that solar flares and perihelion add to those percentages.
Series II posted 06-10-99 03:33 PM ET
ALthough I am not certain. I think that it has to do with how wet a non-forest square is and how many squares of forest border it. The wetter and the more squares the more likely forest will spread.
Knowing SMAC is probably has something to do with how many squares are on the map divided by how many forest squares there are times the square root of the number of erraticated factions times 3.14.
Eris posted 06-10-99 03:37 PM ET
I don't actually know, but it seems to me they might have patterned it on Life... more trees seem to expand quicker than fewer ones.
TheMadStork posted 06-11-99 03:43 AM ET
The rate of expansion is supposedly random; the ability to expand is not. The square to which the forest expands must have one side adjacent to a square with an exisiting forest and is must not be rocky.
I go now.
Rackam posted 06-11-99 09:11 AM ET
I've noticed that forest is more likely to expand into rolling terrain than flat with moisture being equal.
~Rackam
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Author	Topic: What determines forest expansion?
NoMercy	posted 06-10-99 01:58 PM ET I'm intrigued to know what determines forest expansion. Some games they expand rapidly and some not. I see no pattern. i.e. terrain, altitude, faction, cloud cover etc. Any ideas?
K	posted 06-10-99 03:25 PM ET I think they have a percentage chance each turn. I also think that solar flares and perihelion add to those percentages.
Series II	posted 06-10-99 03:33 PM ET ALthough I am not certain. I think that it has to do with how wet a non-forest square is and how many squares of forest border it. The wetter and the more squares the more likely forest will spread. Knowing SMAC is probably has something to do with how many squares are on the map divided by how many forest squares there are times the square root of the number of erraticated factions times 3.14.
Eris	posted 06-10-99 03:37 PM ET I don't actually know, but it seems to me they might have patterned it on Life... more trees seem to expand quicker than fewer ones.
TheMadStork	posted 06-11-99 03:43 AM ET The rate of expansion is supposedly random; the ability to expand is not. The square to which the forest expands must have one side adjacent to a square with an exisiting forest and is must not be rocky. I go now.
Rackam	posted 06-11-99 09:11 AM ET I've noticed that forest is more likely to expand into rolling terrain than flat with moisture being equal. ~Rackam