public double3 GetAboveGroundObserverCubePoint()
{
var localPos = (double3)(float3)transform.InverseTransformPoint(WorldObserver);
var localAlt = math.length(localPos);
var localHeight = GetLocalHeight(localPos);
var cubePoint = SgtTerrainTopology.VectorToUnitCube(localPos);
if (localAlt > localHeight && localHeight > 0.0)
{
cubePoint *= localAlt / localHeight;
}
return(cubePoint);
}
public double3 GetSpherePoint()
{
var localPos = (double3)(float3)transform.InverseTransformPoint(WorldObserver);
var localAlt = math.length(localPos);
var localHeight = GetLocalHeight(localPos);
var localDist = math.abs(localAlt - localHeight) / radius;
for (var i = 0; i < distances.Count; i++)
{
var distance = detail * math.pow(0.5, 1 + i);
var frac = math.saturate(localDist / distance);
distance *= math.cos(math.asin(frac));
distances[i] = distance;
}
return(SgtTerrainTopology.Unwarp(SgtTerrainTopology.VectorToUnitCube(SgtTerrainTopology.Untilt(localPos))));
}