public void GetAxisAlignedBoundingBox() { Assert.AreEqual(new Aabb(), new Aabb().GetAabb(Pose.Identity)); Assert.AreEqual(new Aabb(new Vector3F(10, 100, 1000), new Vector3F(10, 100, 1000)), new Aabb().GetAabb(new Pose(new Vector3F(10, 100, 1000), QuaternionF.Identity))); Assert.AreEqual(new Aabb(new Vector3F(10, 100, 1000), new Vector3F(10, 100, 1000)), new Aabb().GetAabb(new Pose(new Vector3F(10, 100, 1000), QuaternionF.CreateRotation(new Vector3F(1, 2, 3), 0.7f)))); Aabb aabb = new Aabb(new Vector3F(1, 10, 100), new Vector3F(2, 20, 200)); Assert.AreEqual(aabb, aabb.GetAabb(Pose.Identity)); Assert.AreEqual(new Aabb(new Vector3F(11, 110, 1100), new Vector3F(12, 120, 1200)), aabb.GetAabb(new Pose(new Vector3F(10, 100, 1000), QuaternionF.Identity))); // TODO: Test rotations. }
public void GetAxisAlignedBoundingBox() { Assert.AreEqual(new Aabb(), new Aabb().GetAabb(Pose.Identity)); Assert.AreEqual(new Aabb(new Vector3F(10, 100, 1000), new Vector3F(10, 100, 1000)), new Aabb().GetAabb(new Pose(new Vector3F(10, 100, 1000), QuaternionF.Identity))); Assert.AreEqual(new Aabb(new Vector3F(10, 100, 1000), new Vector3F(10, 100, 1000)), new Aabb().GetAabb(new Pose(new Vector3F(10, 100, 1000), QuaternionF.CreateRotation(new Vector3F(1, 2, 3), 0.7f)))); Aabb aabb = new Aabb(new Vector3F(1, 10, 100), new Vector3F(2, 20, 200)); Assert.AreEqual(aabb, aabb.GetAabb(Pose.Identity)); Assert.AreEqual(new Aabb(new Vector3F(11, 110, 1100), new Vector3F(12, 120, 1200)), aabb.GetAabb(new Pose(new Vector3F(10, 100, 1000), QuaternionF.Identity))); // TODO: Test rotations. }
protected override bool OnNext(out Pair <int> current) { while (true) { if (_otherCandidates == null) { if (_leafNodes.MoveNext()) { var leaf = _leafNodes.Current; _leafAabb = _partition.GetAabb(leaf); _leafAabb = _leafAabb.GetAabb(_scale, _toOther); _leafAabb.Scale(_otherScaleInverse); _otherCandidates = _otherPartition.GetOverlaps(_leafAabb).GetEnumerator(); } else { current = default(Pair <int>); return(false); } } while (_otherCandidates.MoveNext()) { var leaf = _leafNodes.Current; var otherCandidate = _otherCandidates.Current; var overlap = new Pair <int>(leaf.Item, otherCandidate); if (_partition.Filter == null || _partition.Filter.Filter(overlap)) { current = overlap; return(true); } } _otherCandidates.Dispose(); _otherCandidates = null; } }
/// <inheritdoc/> public override Aabb GetAabb(Vector3F scale, Pose pose) { // Recompute local cached AABB if it is invalid. if (Numeric.IsNaN(_minHeight)) { // Find min and max height. // TODO: We could cache that beforehand. _minHeight = float.PositiveInfinity; _maxHeight = float.NegativeInfinity; foreach (float height in _samples) { if (height < _minHeight) _minHeight = height; if (height > _maxHeight) _maxHeight = height; } } Vector3F minimum = new Vector3F(_originX, _minHeight, _originZ); Vector3F maximum = new Vector3F(_originX + _widthX, _maxHeight, _originZ + _widthZ); // Apply scale. var scaledLocalAabb = new Aabb(minimum, maximum); scaledLocalAabb.Scale(scale); // Add depth after scaling because scaleY = 0 makes sense to flatten the height field // but the bounding box should have a height > 0 to avoid tunneling. scaledLocalAabb.Minimum.Y = Math.Min(scaledLocalAabb.Minimum.Y - _depth, -_depth); // Apply pose. return scaledLocalAabb.GetAabb(pose); }