/// <summary>
/// Creates a detector volume.
/// </summary>
/// <param name="triangleMesh">Arbitrary closed triangle mesh representing the volume.</param>
/// <param name="queryAccelerator">System used to find nearby objects.</param>
public DetectorVolume(MeshBoundingBoxTreeData triangleMesh, IQueryAccelerator queryAccelerator)
{
TriangleMesh = new TriangleMesh(triangleMesh);
QueryAccelerator = queryAccelerator;
collisionRules = new CollisionRules()
{
group = new CollisionGroup()
};
}
internal override void Refit(MeshBoundingBoxTreeData data)
{
data.GetBoundingBox(LeafIndex, out BoundingBox);
//Having an ever-so-slight margin allows the hierarchy use a volume metric even for degenerate shapes (consider a flat tessellated plane).
BoundingBox.Max.X += LeafMargin;
BoundingBox.Max.Y += LeafMargin;
BoundingBox.Max.Z += LeafMargin;
BoundingBox.Min.X -= LeafMargin;
BoundingBox.Min.Y -= LeafMargin;
BoundingBox.Min.Z -= LeafMargin;
}
/// <summary>
/// Constructs a new tree.
/// </summary>
/// <param name="data">Data to use to construct the tree.</param>
public MeshBoundingBoxTree(MeshBoundingBoxTreeData data)
{
Data = data;
}
internal override void Refit(MeshBoundingBoxTreeData data)
{
ChildA.Refit(data);
ChildB.Refit(data);
BoundingBox.CreateMerged(ref ChildA.BoundingBox, ref ChildB.BoundingBox, out BoundingBox);
}
internal abstract void Refit(MeshBoundingBoxTreeData data);
///<summary>
/// Constructs a new triangle mesh.
///</summary>
///<param name="data">Data to use to construct the mesh.</param>
public TriangleMesh(MeshBoundingBoxTreeData data)
{
this.data = data;
tree = new MeshBoundingBoxTree(data);
}
///<summary>
/// Constructs a new triangle mesh.
///</summary>
///<param name="data">Data to use to construct the mesh.</param>
public TriangleMesh(MeshBoundingBoxTreeData data)
{
this.data = data;
tree = new MeshBoundingBoxTree(data);
}
internal abstract void Refit(MeshBoundingBoxTreeData data);
internal override void Refit(MeshBoundingBoxTreeData data)
{
data.GetBoundingBox(LeafIndex, out BoundingBox);
//Having an ever-so-slight margin allows the hierarchy use a volume metric even for degenerate shapes (consider a flat tessellated plane).
BoundingBox.Max.X += LeafMargin;
BoundingBox.Max.Y += LeafMargin;
BoundingBox.Max.Z += LeafMargin;
BoundingBox.Min.X -= LeafMargin;
BoundingBox.Min.Y -= LeafMargin;
BoundingBox.Min.Z -= LeafMargin;
}
internal override void Refit(MeshBoundingBoxTreeData data)
{
ChildA.Refit(data);
ChildB.Refit(data);
BoundingBox.CreateMerged(ref ChildA.BoundingBox, ref ChildB.BoundingBox, out BoundingBox);
}
/// <summary>
/// Constructs a new tree.
/// </summary>
/// <param name="data">Data to use to construct the tree.</param>
public MeshBoundingBoxTree(MeshBoundingBoxTreeData data)
{
Data = data;
}