public void DegenerateTrianglesToConstructor_NoError()
{
var tri = new Triangle(new Vector(), new Vector(), new Vector(), 0);
var obj = new SpatialSubdivision(new Triangle[] { tri }, new AxisAlignedBox(new Vector(0, 0, 0), new Vector(1, 1, 1)));
Assert.IsNotNull(obj);
}
private void TestTree_OutsideIn(SpatialSubdivision tree, ICollection <Triangle> triList, int numRays = 100000)
{
var triSet = new GeometryCollection();
foreach (var tri in triList)
{
triSet.Add(tri);
}
for (var i = 1; i <= numRays; i++)
{
var start = MakeRandomVector(triangleSpaceSize * 10);
var end = MakeRandomVector(triangleSpaceSize);
var dir = end - start;
var info = tree.IntersectRay(start, dir, context);
var infoBase = triSet.IntersectRay(start, dir, context);
Assert.AreEqual(infoBase == null, info == null, "Ray " + i + ": SpatialSubdivision and GeometryCollection differ in intersection status");
if (info != null)
{
Assert.AreEqual(infoBase.triIndex, info.triIndex, "triIndex diff on ray " + i);
Assert.AreEqual(infoBase.rayFrac, info.rayFrac, 1e-10, "rayFrac diff on ray " + i);
Assert.AreEqual(infoBase.pos, info.pos, "pos diff on ray " + i);
Assert.AreEqual(infoBase.normal, info.normal, "normal diff on ray " + i);
Assert.AreEqual(infoBase.color, info.color, "color diff on ray " + i);
}
}
}
private ICollection <Triangle> BuildRandomTree(int numTriangles, int maxTreeDepth, int maxGeometryPerNode, int randomSeed, out SpatialSubdivision tree)
{
random = new Random(randomSeed);
var triangles = MakeRandomTriangles(numTriangles);
var boundingBox = GetBoundingBoxOfRandomTriangles();
tree = new SpatialSubdivision(triangles, boundingBox, maxTreeDepth, maxGeometryPerNode);
Assert.IsNotNull(tree);
return(triangles);
}
public void ConstructBalancedTree()
{
const int maxTreeDepth = 3;
const int maxGeometryPerNode = 1;
random = new Random(12345);
var triangles = MakeRandomTriangles(8);
var boundingBox = GetBoundingBoxOfRandomTriangles();
var tree = new SpatialSubdivision(triangles, boundingBox, maxTreeDepth, maxGeometryPerNode);
Assert.IsNotNull(tree);
Assert.AreEqual(3, tree.TreeDepth);
Assert.AreEqual(5, tree.NumNodes);
Assert.AreEqual(3, tree.NumLeafNodes);
Assert.AreEqual(2, tree.NumInternalNodes);
}
public void CollectionsOfNullToConstructor_Error()
{
var obj = new SpatialSubdivision(new Triangle[] { null, null, null }, new AxisAlignedBox(new Vector(0, 0, 0), new Vector(1, 1, 1)));
Assert.IsNotNull(obj);
}
public void EmptyInputToConstructor_NoError()
{
var obj = new SpatialSubdivision(new List <Triangle>(), new AxisAlignedBox(new Vector(), new Vector()));
Assert.IsNotNull(obj);
}
public void NullBoundingBoxToConstructor_NoError()
{
var obj = new SpatialSubdivision(new List <Triangle>(), null);
Assert.IsNotNull(obj);
}