private VertexPositionColorNormal CreateVertex(Vector3 position, CustomTile t)
{
Vector3 tileNorm = Vector3.Zero;
Vector3 tileCenter = new Vector3(t.X, t.Y, t.Z);
for (int i = 0; i < t.Corners.Length - 1; ++i)
{
Vector3 a = new Vector3(t.Corners[i].X, t.Corners[i].Y, t.Corners[i].Z);
Vector3 b = new Vector3(t.Corners[i + 1].X, t.Corners[i + 1].Y, t.Corners[i + 1].Z);
tileNorm += ((tileCenter - a) * (tileCenter - b));
}
tileNorm.Normalize();
return(new VertexPositionColorNormal(position, tileCenter, GetColorByHeight(t.Height)));
}
private void AddTile(CustomTile tile, int currentDepth, ref BoundingBox box)
{
BoundingBox = box;
if (currentDepth >= MaxDepth)
{
if (Tiles == null)
{
Tiles = new List <CustomTile>();
}
Tiles.Add(tile);
}
else
{
var dividedBoxes = DivideBoundingBox(ref box, currentDepth);
var leftBoundingBox = dividedBoxes.Item1;
var rightBoundingBox = dividedBoxes.Item2;
var leftContainment = leftBoundingBox.Contains(tile.BoundingBox);
var rightContainment = rightBoundingBox.Contains(tile.BoundingBox);
if (leftContainment == ContainmentType.Contains || leftContainment == ContainmentType.Intersects)
{
if (Left == null)
{
Left = new IntersectionCheckNode();
}
Left.AddTile(tile, currentDepth + 1, ref leftBoundingBox);
}
if (rightContainment == ContainmentType.Contains || rightContainment == ContainmentType.Intersects)
{
if (Right == null)
{
Right = new IntersectionCheckNode();
}
Right.AddTile(tile, currentDepth + 1, ref rightBoundingBox);
}
}
}
public CustomTileIntersection(CustomTile tile, float distance)
{
Tile = tile;
Distance = distance;
}