3D OpenSimplex2 noise, with better visual isotropy in (X, Z). Recommended for 3D terrain and time-varied animations. The Y coordinate should always be the "different" coordinate in whatever your use case is. If Y is vertical in world coordinates, call noise3_ImproveXZ(x, Y, z). If Z is vertical in world coordinates, call noise3_ImproveXZ(x, Z, y) or use noise3_ImproveXY. For a
(seed: i64, x: f64, y: f64, z: f64)
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