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local-wind-effect [2023/08/01 14:06] king |
local-wind-effect [2023/08/01 16:53] (current) king |
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| ====== Local Wind Effect ====== | ====== Local Wind Effect ====== | ||
| - | By default, the SpeedTree wind system supports a single uniform wind direction that affects all tree instances the same way. However, | + | By default, the SpeedTree wind system supports a single uniform wind direction that affects all tree instances the same way. However, support for localized, omnidirectional wind sources is also possible. Think of a helicopter hovering just above a forest’s canopy, for example. |
| Because the wind system is implemented largely through a vertex shader, it’s possible to efficiently apply unique wind behavior to every instance even without a localized source. This is accomplished primarily through two techniques: | Because the wind system is implemented largely through a vertex shader, it’s possible to efficiently apply unique wind behavior to every instance even without a localized source. This is accomplished primarily through two techniques: | ||
