ジオメトリクラスです。
| CalculateBounds | Calculates the bounding box from the given array of positions and the transformation matrix. |
| CalculateFrustumPlanes | 錐台平面を計算します |
| TestPlanesAABB | plane 配列内にバウンズがある場合は、true をします |
| TryCreatePlaneFromPolygon | GeometryUtility.TryCreatePlaneFromPolygon creates a plane from the given list of vertices that define the polygon, as long as they do not characterize a straight line or zero area. |