# SecPlane

TODO

```
struct SecPlane play
{
	double  D;
	double  NegiC;
	vector3 Normal;

	void   ChangeHeight(double hdiff);
	double GetChangedHeight(double hdiff) const;
	double HeightDiff(double oldd, double newd = 0.0) const;
	bool   IsEqual(SecPlane other) const;
	bool   IsSlope() const;
	int    PointOnSide(vector3 pos) const;
	double PointToDist(vector2 xy, double z) const;
	double ZAtPointDist(vector2 v, double dist) const;

	clearscope double ZAtPoint(vector2 v) const;
}
```

### `D`

TODO

### `NegiC`

TODO

### `Normal`

TODO

### `ChangeHeight`

TODO

### `GetChangedHeight`

TODO

### `HeightDiff`

TODO

### `IsEqual`

TODO

### `IsSlope`

TODO

### `PointOnSide`

TODO

### `PointToDist`

TODO

### `ZAtPointDist`

TODO

### `ZAtPoint`

TODO

<!-- EOF -->