/// <summary>
/// Counts points outside axis-aligned box.
/// </summary>
public static long CountPointsOutsideBox(
this PointSetNode self, Box3d query, int minCellExponent = int.MinValue
)
=> CountPoints(self,
n => !query.Intersects(n.BoundingBox),
n => query.Contains(n.BoundingBox),
p => !query.Contains(p),
minCellExponent);
/// <summary>
/// All points outside axis-aligned box (excluding boundary).
/// </summary>
public static IEnumerable <Chunk> QueryPointsOutsideBox(
this IPointCloudNode self, Box3d query, int minCellExponent = int.MinValue
)
=> QueryPoints(self,
n => !query.Intersects(n.BoundingBoxExactGlobal),
n => query.Contains(n.BoundingBoxExactGlobal),
p => !query.Contains(p),
minCellExponent);
/// <summary>
/// Counts points inside axis-aligned box.
/// </summary>
public static long CountPointsInsideBox(
this IPointCloudNode self, Box3d query, int minCellExponent = int.MinValue
)
=> CountPoints(self,
n => query.Contains(n.BoundingBoxExactGlobal),
n => !query.Intersects(n.BoundingBoxExactGlobal),
p => query.Contains(p),
minCellExponent);
/// <summary>
/// All points inside axis-aligned box (including boundary).
/// </summary>
public static IEnumerable <Chunk> QueryPointsInsideBox(
this PointSetNode self, Box3d query, int minCellExponent = int.MinValue
)
=> QueryPoints(self,
n => query.Contains(n.BoundingBox),
n => !query.Intersects(n.BoundingBox),
p => query.Contains(p),
minCellExponent);
public void CanDeletePoints()
{
var q = new Box3d(new V3d(0.3), new V3d(0.7));
var a = CreateRegularPointsInUnitCube(10, 1);
Assert.IsTrue(a.QueryAllPoints().SelectMany(chunk => chunk.Positions).Any(p => q.Contains(p)));
var b = a.Delete(n => q.Contains(n.BoundingBox), n => !(q.Contains(n.BoundingBox) || q.Intersects(n.BoundingBox)), p => q.Contains(p), CancellationToken.None);
Assert.IsTrue(a.PointCount > b.PointCount);
Assert.IsTrue(!b.QueryAllPoints().SelectMany(chunk => chunk.Positions).Any(p => q.Contains(p)));
}
private void CreateParticles(Box3d exclusion)
{
int numX = (int)(Bounds.Width / Diameter);
int numY = (int)(Bounds.Height / Diameter);
int numZ = (int)(Bounds.Depth / Diameter);
Positions = new List <Vector3d>();
for (int z = 0; z < numZ; z++)
{
for (int y = 0; y < numY; y++)
{
for (int x = 0; x < numX; x++)
{
Vector3d pos = new Vector3d();
pos.x = Diameter * x + Bounds.Min.x + Spacing;
pos.y = Diameter * y + Bounds.Min.y + Spacing;
pos.z = Diameter * z + Bounds.Min.z + Spacing;
if (!exclusion.Contains(pos))
{
Positions.Add(pos);
}
}
}
}
}
public void ValidBoxDoesNotContainInvalidBox()
{
var a = new Box3d(new V3d(0, 0, 0), new V3d(3, 3, 3));
var b = Box3d.Invalid;
Assert.IsTrue(!a.Contains(b));
}
public void ValidBoxContainsValidBox()
{
var a = new Box3d(new V3d(0, 0, 0), new V3d(3, 3, 3));
var b = new Box3d(new V3d(1, 1, 1), new V3d(2, 2, 2));
Assert.IsTrue(a.Contains(b));
}
public void BoxInsideOutside_Contains_OutsideTouching()
{
var a = new Box3d(new V3d(0, 0, 0), new V3d(4, 4, 4));
var b = new Box3d(new V3d(4, 0, 0), new V3d(8, 4, 4));
Assert.IsTrue(!a.Contains(b));
}
public void BoxInsideOutside_Contains_Inside()
{
var a = new Box3d(new V3d(0, 0, 0), new V3d(4, 4, 4));
var b = new Box3d(new V3d(1, 1, 2), new V3d(2, 2, 3));
Assert.IsTrue(a.Contains(b));
}
public bool ObjectIsInsideBox(
int objectIndex,
Box3d box
)
{
return(box.Contains(Sphere3ds[objectIndex]));
}
public void BoxInsideOutside_ContainsEqual()
{
var a = new Box3d(new V3d(1, 2, 3), new V3d(4, 5, 6));
var b = new Box3d(new V3d(1, 2, 3), new V3d(4, 5, 6));
Assert.IsTrue(a.Contains(b));
Assert.IsTrue(b.Contains(a));
}
public void MarkAsStatic(Box3d bounds)
{
for (int i = 0; i < NumParticles; i++)
{
if (bounds.Contains(Positions[i]))
{
StaticConstraints.Add(new StaticConstraint3d(this, i));
}
}
}
public bool ObjectIsInsideBox(
int objectIndex,
Box3d box
)
{
var pl = Position3dList;
int pi = objectIndex * 3;
return(box.Contains(new Triangle3d(pl[pi], pl[pi + 1], pl[pi + 2])));
}
public bool ObjectIsInsideBox(int objectIndex, Box3d box)
{
int[] fia = FirstIndexArray, via = VertexIndexArray;
var pa = PositionArray;
int fvi = fia[objectIndex], fve = fia[objectIndex + 1];
while (fvi < fve)
{
if (!box.Contains(pa[via[fvi++]]))
{
return(false);
}
}
return(true);
}
public void CanQueryPointsNearPlane_1()
{
var pointset = CreateRandomPointsInUnitCube(1024, 64);
var q = new Plane3d(V3d.ZAxis, new V3d(0.5, 0.5, 0.5));
var ps = pointset.QueryPointsNearPlane(q, 0.1).SelectMany(x => x.Positions).ToList();
Assert.IsTrue(pointset.PointCount > ps.Count);
var bb = new Box3d(new V3d(0.0, 0.0, 0.4), new V3d(1.0, 1.0, 0.6));
foreach (var p in ps)
{
Assert.IsTrue(bb.Contains(p));
}
}
public void CanQueryPointsNotNearPolygon_1()
{
var pointset = CreateRandomPointsInUnitCube(1024, 64);
var q = new Polygon3d(new V3d(0.4, 0.4, 0.5), new V3d(0.6, 0.4, 0.5), new V3d(0.6, 0.6, 0.5), new V3d(0.4, 0.6, 0.5));
var ps = pointset.QueryPointsNotNearPolygon(q, 0.1).SelectMany(x => x.Positions).ToList();
Assert.IsTrue(pointset.PointCount > ps.Count);
var bb = new Box3d(new V3d(0.4, 0.4, 0.4), new V3d(0.6, 0.6, 0.6));
foreach (var p in ps)
{
Assert.IsTrue(!bb.Contains(p));
}
}
public void CanQueryPointsNearPlanes_1()
{
var pointset = CreateRandomPointsInUnitCube(1024, 64);
var q = new[]
{
new Plane3d(V3d.ZAxis, new V3d(0.5, 0.5, 0.5)),
new Plane3d(V3d.XAxis, new V3d(0.7, 0.5, 0.5))
};
var ps = pointset.QueryPointsNearPlanes(q, 0.1).SelectMany(x => x.Positions).ToList();
Assert.IsTrue(pointset.PointCount > ps.Count);
var bb1 = new Box3d(new V3d(0.0, 0.0, 0.4), new V3d(1.0, 1.0, 0.6));
var bb2 = new Box3d(new V3d(0.6, 0.0, 0.0), new V3d(0.8, 1.0, 1.0));
//var wrongs = ps.Where(p => !bb1.Contains(p) && !bb2.Contains(p)).ToArray();
foreach (var p in ps)
{
Assert.IsTrue(bb1.Contains(p) || bb2.Contains(p));
}
}
public bool ObjectIsInsideBox(int objectIndex, Box3d box)
{
GetTriangle(objectIndex, out V3d p0, out V3d p1, out V3d p2);
return(box.Contains(p0) && box.Contains(p1) && box.Contains(p2));
}
public bool ObjectIsInsideBox(int objectIndex, Box3d box)
{
var pa = m_positionArray;
return(box.Contains(pa[objectIndex]) && box.Contains(pa[objectIndex + 1]));
}