public ViewChunk[] View()
{
Point observerPoint = space.GetPointFromPosition(observer.position);
if (view == null || !space.IsPointInRange(observerPoint, previousObserverPoint, updateDistace))
{
previousObserverPoint = observerPoint;
view = GetVisible(observerPoint);
}
return(view);
}
public Vector3 GetHeightAtPosition(Vector3 targetStartPosition)
{
Point closestPoint = space.GetPointFromPosition(targetStartPosition);
float heightValue = terrain.GetValue(closestPoint);
Vector3 surfaceNormal = space.GetNormalFromPosition(targetStartPosition);
return(closestPoint.GetPosition() + surfaceNormal * heightValue);
}
public FixedViewer(ChunkedSpace space, Vector3 origin, float distace, MeshLod?visibleLod = null)
{
Point originPoint = space.GetPointFromPosition(origin);
Chunk[] chunks = space.GetChunksWithin(originPoint, distace);
view = chunks
.Select(chunk => new ViewChunk(chunk, visibleLod ?? new MeshLod(0)))
.ToArray();
}
public ViewChunk[] View()
{
Point observerPoint = space.GetPointFromPosition(observer.position);
float altitude = space.GetDistanceFromSurface(observer.position);
if (view == null)
{
previousObserverPoint = observerPoint;
previousObserverAltitude = altitude;
view = GetVisible(observerPoint);
return(view);
}
bool pointIsOutsideUpdateDistance = !space.IsPointInRange(observerPoint, previousObserverPoint, updateDistace);
// In this viewer we are also interesed in movement along the space normal
bool normalDimensionIsOutsideUpdateDistance = Mathf.Abs(altitude - previousObserverAltitude) > updateDistace;
if (pointIsOutsideUpdateDistance || normalDimensionIsOutsideUpdateDistance)
{
previousObserverPoint = observerPoint;
previousObserverAltitude = altitude;
view = GetVisible(observerPoint);
}
return(view);
}
