Vector of two int32s.

Represents the plane defined by the three points in a triangle. Reference: Step 2 in http://codespear.github.io/graphics/2013/09/21/terrain-surface/

Represents a submerged part of a BuoyantMeshTriangle.

Associates a position with a height above water.

Cache for the "dir" variable in CalculateGerstnerWaveHeight

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