public void Index2ShortestDistanceMethodenTest()
{
Index2 size = new Index2(20, 20);
Index2 i1 = new Index2(5, 7); // Startwert
Index2 i2 = new Index2(12, 13); // Destinations
Index2 i3 = new Index2(7, 6); // Results
Assert.AreEqual(i3.X, i1.ShortestDistanceX(i2.X, size.X));
Assert.AreEqual(i3.Y, i1.ShortestDistanceY(i2.Y, size.Y));
Assert.AreEqual(i3, i1.ShortestDistanceXY(i2, size));
}
public void Index2ShortestDistanceMethodenTest()
{
Index2 size = new Index2(20, 20);
Index2 i1 = new Index2(5, 7); // Startwert
Index2 i2 = new Index2(12, 13); // Destinations
Index2 i3 = new Index2(7, 6); // Results
Assert.AreEqual(i3.X, i1.ShortestDistanceX(i2.X, size.X));
Assert.AreEqual(i3.Y, i1.ShortestDistanceY(i2.Y, size.Y));
Assert.AreEqual(i3, i1.ShortestDistanceXY(i2, size));
}
private bool FillChunkRenderer()
{
Index2 destinationChunk = new Index2(player.ActorHost.Position.ChunkIndex);
// Nur ausführen wenn der Spieler den Chunk gewechselt hat
if (destinationChunk != currentChunk)
{
int mask = (int)Math.Pow(2, VIEWRANGE) - 1;
int span = (int)Math.Pow(2, VIEWRANGE);
int spanOver2 = span >> 1;
for (int x = 0; x < span; x++)
{
for (int y = 0; y < span; y++)
{
Index2 local = new Index2(x - spanOver2, y - spanOver2) + destinationChunk;
local.NormalizeXY(planet.Size);
int virtualX = local.X & mask;
int virtualY = local.Y & mask;
int rendererIndex = virtualX +
(virtualY << VIEWRANGE);
for (int z = 0; z < planet.Size.Z; z++)
{
chunkRenderer[rendererIndex, z].SetChunk(_manager, local.X, local.Y, z);
}
}
}
currentChunk = destinationChunk;
}
#region Chunkrenderer updaten
int shortestDistance = int.MaxValue;
ChunkRenderer updatableRenderer = null;
foreach (var renderer in chunkRenderer)
{
if (!renderer.NeedUpdate())
continue;
Index2 absoluteIndex = new Index2(renderer.ChunkPosition.Value);
Index2 relativeIndex = destinationChunk.ShortestDistanceXY(
absoluteIndex, new Index2(
planet.Size.X,
planet.Size.Y));
int distance = relativeIndex.LengthSquared();
if (distance < shortestDistance)
{
updatableRenderer = renderer;
shortestDistance = distance;
}
}
if (updatableRenderer != null)
updatableRenderer.RegenerateVertexBuffer();
#endregion
return updatableRenderer != null;
}
