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Wind Zones provide another subtle thing that reinforces the realism of a place. What a Wind Zone does is to take trees and other features in the landscape and blow them just a little bit. We can work in either spherical Wind Zones or directional ones. And they can affect the landscape in subtle ways. I'll choose GameObject > Create Other > and Wind Zone. And I'll make a Wind Zone. What we can see here is that it starts out with a transform in the middle, and we can just see some of the trees waving here in the wind. It's probably too much at the moment, as I'd like to keep it subtle.
Depending on where we see these trees, they wave. It's really dependent on proximity. That is far off trees will be fairly still, but close ones will have wind. In the Wind Zone then, we can define it as directional or spherical. A spherical Wind Zone is good for a local turbulence, whereas a directional will give us an overall gentle breeze through this forest. I'll leave mine as directional, and just lower down the wind main to 0.2. I"ll put in the tiniest bit of turbulence, maybe in the 0.2 range as well.
And so, there's just a little bit of wave in those trees. When we see it from the buildings, we'll get the idea of just the littlest bit of a breeze, rippling through the leaves. It's just enough to bring those trees to life, and that's how we should think of it. We don't need to make gale forced gusts. Really what we need to do is just add, a little bit of motion in otherwise exactly static objects. I'll press Play and see how it looks. And see if I can see it through the depth of field. It's definitely blurry on the shore. But I feel like I can see the leaves moving just a little bit, and that one close tree is moving.
I'll jump outside and check it out. It looks good, there's just the littlest bit of movement in the trees. Just enough to get the idea that there's something going on, and that's really all we need. Again, if you'd like to make a swirling tornado or a giant gale force winds that rip trees apart, be my guest. You might want to look into a particle system as well. But for just the littlest bit of wind to make that landscape have some life, a Wind Zone is all you need.
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