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TonyLiberatto

Forests on the equator

30 posts in this topic

If you modeled the monsoon trough as a region centered aound 0 degrees + seasonal tilt it would create a pretty acurate model for wet and dry seasons in the tropics. Unless you already did that too.

Any chance you do things in polar cootdinates to "project" the planet onto a cylinder? That was something i was doing when I was playing with the math to mess around with weather and day length. Made some of the math a lot easier.

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I had no idea we already had so much coded into the mod in relation to the seasons.

My question remains how many builds in the future are we to actually having rain forests in the equator?

I also had no idea how much work it was involved in that.

Thanks Dunk, Bioxx and the whole TFC team for all the hard work

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Thats the plan :) Rainfall on earth is determined by air currents, ocean currents and terrain. Air currents and ocean currents generally follow an equation based on latitude to determine direction, with ocean currents being redirected by continents. For TFC, this means that chunks will have to trace back along the wind current that would pass over them to see where it came from. When that trace finds the ocean, we can determine how much moisture the air current takes on and how the temperature will be affected. This tells us how much it might rain in the original chunk. The advantage of this method is that we only need to check the biome ane coordinates of other chunks, making it fast and accurate :)

This is absolutely brilliant! Way more accurate than anything I had imagined. Everything I messed around with was mostly approximations based on latitude and seasonal tilt. I never would have thought to trace the terrain for ocean chunks to calculate moisture. Bravo!It even takes care of the concerns about basing the planet too much on earth. Simply by changing the size and tilt of the planet the weather systems would take care of themselves since they arent hard coded, but rather a side effect of terrain as they should be.
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Thats the plan :) Rainfall on earth is determined by air currents, ocean currents and terrain. Air currents and ocean currents generally follow an equation based on latitude to determine direction, with ocean currents being redirected by continents. For TFC, this means that chunks will have to trace back along the wind current that would pass over them to see where it came from. When that trace finds the ocean, we can determine how much moisture the air current takes on and how the temperature will be affected. This tells us how much it might rain in the original chunk. The advantage of this method is that we only need to check the biome ane coordinates of other chunks, making it fast and accurate :)

But... wouldn't this require all the relevant chucks to be generated?  I mean, you could end up with a situation where tons of trees are generating and then suddenly a whole new continent exists that completely changes rainfall patterns, making the area a desert.  Or could you maybe pregenerate a height map of ungenerated chunks allowing you to simply check if something is there?  Oh, that would be really useful for improved river and lake generation too... no idea if it's possible though.

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From what Dunk was describing i don't think it wouldnt have to be loaded. It would just use the terrain generation algorith to track east and west to get a sneak peak of the next chunks till it found an ocean chunk. It's a really clever solution.

I would have been fine with a quick-n-dirty localized weather model based solely on latitude and seasonal tilt. Dunk has way cooler stuff in mind.

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