public double ComputeApparentThickness(DoubleVector3 p, double thickness)
{
var ss1 = Project(p);
var ss2 = Project(p + position.To(p).Cross(position.To(lookat)).ToUnit() * thickness);
return((ss1 - ss2).Norm2D());
// var cameraSpace = Vector4.Transform(ToNumerics4(p), worldToCamera);
// return thickness * (1000f + cameraSpace.Z) / 1000f;
}
private DoubleVector3 PushToLand(DoubleVector3 pWorld, double computedRadius)
{
var paddedHoleDilationRadius = computedRadius + InternalTerrainCompilationConstants.AdditionalHoleDilationRadius + InternalTerrainCompilationConstants.TriangleEdgeBufferRadius;
var terrainOverlayNetwork = terrainService.CompileSnapshot().OverlayNetworkManager.CompileTerrainOverlayNetwork(paddedHoleDilationRadius);
// Console.WriteLine("PHDR: " + paddedHoleDilationRadius);
var bestWorldDistance = double.PositiveInfinity;
var bestWorld = DoubleVector3.Zero;
foreach (var terrainOverlayNode in terrainOverlayNetwork.TerrainNodes)
{
var pLocal = (DoubleVector2)terrainOverlayNode.SectorNodeDescription.WorldToLocal(pWorld);
terrainOverlayNode.LocalGeometryView.FindNearestLandPointAndIsInHole(pLocal, out var pNearestLocal);
// clamp pNearestLocal to be within bounds, not
var pNearestWorld = terrainOverlayNode.SectorNodeDescription.LocalToWorld(pNearestLocal);
var worldDistance = pWorld.To(pNearestWorld).Norm2D();
if (worldDistance < bestWorldDistance)
{
bestWorldDistance = worldDistance;
bestWorld = pNearestWorld;
}
}
return(bestWorld);
throw new NotImplementedException();
// DoubleVector3 nearestLandPoint;
// if (!terrainService.BuildSnapshot().FindNearestLandPointAndIsInHole(paddedHoleDilationRadius, vect, out nearestLandPoint)) {
// throw new InvalidOperationException("In new hole but not terrain snapshot hole.");
// }
// return nearestLandPoint;
}
public PerspectiveProjector(DoubleVector3 position, DoubleVector3 lookat, DoubleVector3 up, double width, double height)
{
this.position = position;
this.lookat = lookat;
this.up = up;
this.width = width;
this.height = height;
this.worldToCamera =
Matrix4x4.CreateTranslation(ToNumerics3(-1.0 * position)) *
Matrix4x4.CreateLookAt(ToNumerics3(DoubleVector3.Zero), ToNumerics3(position.To(lookat)), ToNumerics3(up)) *
Matrix4x4.CreateScale(-1, 1, 1);
this.cameraToView = Matrix4x4.CreatePerspectiveFieldOfView((float)Math.PI * 2 / 4, (float)(width / height), 1f, 10000f);
// this.cameraToView = Matrix4x4.CreatePerspectiveOffCenter(0, (float)width, (float)height, 0, 1.0f, 1000.0f);
transform = cameraToView * worldToCamera;
}
