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Show HN: Terra Firma, a playable erosion simulation

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Re: Show HN: Terra Firma, a playable erosion simulation

#11
I think simulators like these are cool, and there is clearly an audience for it. Maybe, instead of simulating more stuff (rainfall, biomes, lava) you can go deeper into simulation you're already doing. To sell a game like this people need to be blown away by something, and that happens when you do one thing extremely well.

Maybe think of the experience you want the player to have and then work backwards from that?

Re: Show HN: Terra Firma, a playable erosion simulation

#12
post #3

Is it only sandbox mode, or does it have some scenarios with an objective? The river look too straight. I expected more meanders.

Just sandbox mode for now. The rivers don't meander in the way that real rivers do- real rivers meander because of differences in flow velocity across the width of the river, but the simulation doesn't run at that sort of resolution. If it did, the area covered would be far smaller.

You could totally cheat the river physics. The game would look better and nobody would know.

Re: Show HN: Terra Firma, a playable erosion simulation

#13
post #8

I like poking around with these sorts of sandboxes, but in order to gamify it, you might need some objectives, limitations and planning goals, eg: - you have a limited amount of some mineral or rock that erodes quicker or slower than others, and you need to move water from one location to another. - there is a magma chamber growing under a mountain. Move the villagers out of harms way / destroy enemies. - introduce s…

Why do they need to gamefy it? Toys as townscaper exist and have received positive feedback.

Re: Show HN: Terra Firma, a playable erosion simulation

#14
post #8

I like poking around with these sorts of sandboxes, but in order to gamify it, you might need some objectives, limitations and planning goals, eg: - you have a limited amount of some mineral or rock that erodes quicker or slower than others, and you need to move water from one location to another. - there is a magma chamber growing under a mountain. Move the villagers out of harms way / destroy enemies. - introduce s…

Plenty of us prefer open ended sandboxes/simulators like Minecraft, C:S, flight sims. Following game designer gets boring fast, setting own goals is always fun

Speaking of CS, I wish this simulator had heightmap export.

Re: Show HN: Terra Firma, a playable erosion simulation

#15
post #12
post #3

Earlier quoted context omitted.

Just sandbox mode for now. The rivers don't meander in the way that real rivers do- real rivers meander because of differences in flow velocity across the width of the river, but the simulation doesn't run at that sort of resolution. If it did, the area covered would be far smaller.

You could totally cheat the river physics. The game would look better and nobody would know.

It needn't even be that much of a cheat! There are empirically validated equations that can '1-dimensionally' model river meander evolution.

https://www.osti.gov/servlets/purl/1018448

https://agupubs.onlinelibrary.wiley.com/doi/pdfdirect/10.102...

Re: Show HN: Terra Firma, a playable erosion simulation

#19
post #8

I like poking around with these sorts of sandboxes, but in order to gamify it, you might need some objectives, limitations and planning goals, eg: - you have a limited amount of some mineral or rock that erodes quicker or slower than others, and you need to move water from one location to another. - there is a magma chamber growing under a mountain. Move the villagers out of harms way / destroy enemies. - introduce s…

- Try to copy [some real life relief/landmark]
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