public void TestFindOrthogonalContactsOnTriangle() { Areas.Triangle3 triangle = new Areas.Triangle3( new Vector3(10.0f, 10.0f, 15.0f), new Vector3(20.0f, 10.0f, 15.0f), new Vector3(15.0f, 20.0f, 15.0f) ); LineContacts contacts = new Segment3( new Vector3(15.0f, 15.0f, 0.0f), new Vector3(15.0f, 15.0f, 30.0f) ).FindContacts(triangle); Assert.AreEqual( 0.5f, contacts.EntryTime, "Direct orthogonal contact to triangle detected" ); contacts = new Segment3( new Vector3(15.0f, 15.0f, 30.0f), new Vector3(15.0f, 15.0f, 0.0f) ).FindContacts(triangle); Assert.AreEqual( 0.5f, contacts.EntryTime, "Direct orthogonal contact to triangle backside detected" ); }
/// <summary>Checks whether another instance is equal to this instance</summary> /// <param name="other">Other instance to compare to this instance</param> /// <returns>True if the other instance is equal to this instance</returns> public virtual bool Equals(Segment3 other) { if (ReferenceEquals(other, null)) { return(false); } else { return((this.Start == other.Start) && (this.End == other.End)); } }
public void TestConstructor() { Segment3 line = new Segment3( new Vector3(1.0f, 2.0f, 3.0f), new Vector3(4.0f, 5.0f, 6.0f) ); Assert.AreEqual(1.0f, line.Start.X, "X start is taken over from constructor"); Assert.AreEqual(2.0f, line.Start.Y, "Y start is taken over from constructor"); Assert.AreEqual(3.0f, line.Start.Z, "Z start is taken over from constructor"); Assert.AreEqual(4.0f, line.End.X, "X end is taken over from constructor"); Assert.AreEqual(5.0f, line.End.Y, "Y end is taken over from constructor"); Assert.AreEqual(6.0f, line.End.Z, "Z end is taken over from constructor"); }
public void TestFindSideContactsOnTriangle() { Areas.Triangle3 triangle = new Areas.Triangle3( new Vector3(10.0f, 10.0f, 15.0f), new Vector3(20.0f, 10.0f, 15.0f), new Vector3(15.0f, 20.0f, 15.0f) ); LineContacts contacts = new Segment3( new Vector3(15.0f, 5.0f, 0.0f), new Vector3(15.0f, 5.0f, 30.0f) ).FindContacts(triangle); Assert.IsNaN( contacts.EntryTime, "Side A->B miss of triangle plane correctly filtered out" ); contacts = new Segment3( new Vector3(10.0f, 15.0f, 0.0f), new Vector3(10.0f, 15.0f, 30.0f) ).FindContacts(triangle); Assert.IsNaN( contacts.EntryTime, "Side A->C miss of triangle plane correctly filtered out" ); contacts = new Segment3( new Vector3(20.0f, 15.0f, 0.0f), new Vector3(20.0f, 15.0f, 30.0f) ).FindContacts(triangle); Assert.IsNaN( contacts.EntryTime, "Side B->C miss of triangle plane correctly filtered out" ); contacts = new Ray3( new Vector3(15.0f, 15.0f, 15.0f + Specifications.MaximumDeviation), new Vector3(15.0f, 15.0f, 30.0f) ).FindContacts(triangle); Assert.IsNaN( contacts.EntryTime, "Close orthogonal miss of triangle at segment beginning correctly filtered out" ); contacts = new Ray3( new Vector3(15.0f, 15.0f, 0.0f), new Vector3(15.0f, 15.0f, 15.0f - Specifications.MaximumDeviation) ).FindContacts(triangle); Assert.IsNaN( contacts.EntryTime, "Close orthogonal miss of triangle at segment end correctly filtered out" ); }
public void TestSerialization() { XmlSerializer serializer = new XmlSerializer(typeof(Segment3)); System.IO.MemoryStream stream = new System.IO.MemoryStream(); Segment3 segment = new Segment3( new Vector3(123.0f, 456.0f, 789.0f), new Vector3(987.0f, 654.0f, 321.0f) ); serializer.Serialize(stream, segment); stream.Seek(0, System.IO.SeekOrigin.Begin); Segment3 restored = (Segment3)serializer.Deserialize(stream); Assert.AreEqual(segment, restored, "Deserialized segment matches serialized segment"); }
public void TestEqualityOperator() { Segment3 segment1 = new Segment3( new Vector3(100.0f, 200.0f, 300.0f), new Vector3(400.0f, 500.0f, 600.0f) ); Segment3 segment2 = new Segment3(segment1); Assert.AreEqual(segment1, segment2, "Copied segment is equal to the original segment"); segment1.Start.X = 0.0f; Assert.AreNotEqual( segment1, segment2, "Modified copy is no longer equal to the original segment" ); segment1.Start.X = 100.0f; segment1.Start.Y = 0.0f; Assert.AreNotEqual( segment1, segment2, "Modified copy is no longer equal to the original segment" ); segment1.Start.Y = 200.0f; segment1.Start.Z = 0.0f; Assert.AreNotEqual( segment1, segment2, "Modified copy is no longer equal to the original segment" ); segment1.Start.Z = 300.0f; segment1.End.X = 0.0f; Assert.AreNotEqual( segment1, segment2, "Modified copy is no longer equal to the original segment" ); segment1.End.X = 400.0f; segment1.End.Y = 0.0f; Assert.AreNotEqual( segment1, segment2, "Modified copy is no longer equal to the original segment" ); segment1.End.Y = 500.0f; segment1.End.Z = 0.0f; Assert.AreNotEqual( segment1, segment2, "Modified copy is no longer equal to the original segment" ); segment1.End.Z = 600.0f; }
public void TestFindContactsOnPlane() { Areas.Plane3 plane = new Areas.Plane3( new Vector3(15.0f, 15.0f, 15.0f), -Vector3.Backward ); LineContacts contacts = new Segment3( new Vector3(15.0f, 15.0f, 0.0f), new Vector3(15.0f, 15.0f, 30.0f) ).FindContacts(plane); Assert.AreEqual( 0.5f, contacts.EntryTime, "Direct orthogonal contact to plane detected" ); contacts = new Segment3( new Vector3(15.0f, 15.0f, 30.0f), new Vector3(15.0f, 15.0f, 0.0f) ).FindContacts(plane); Assert.AreEqual( 0.5f, contacts.EntryTime, "Direct orthogonal contact to plane from backside detected" ); }
public void TestEqualityOperatorAgainstNull() { Segment3 line = new Segment3(); Assert.IsFalse(line.Equals(null), "Initialized Line is not equal to null"); }
public void TestClosestPoint() { // Test whether the closest point determination works on the X axis Segment3 line = new Segment3( new Vector3(0.0f, 100.0f, 100.0f), new Vector3(1.0f, 100.0f, 100.0f) ); Vector3 leftCap = line.ClosestPointTo(new Vector3(-2.0f, 200.0f, 200.0f)); Assert.AreEqual( new Vector3(0.0f, 100.0f, 100.0f), leftCap, "Closest point beyond left end found" ); Vector3 leftPoint = line.ClosestPointTo(new Vector3(0.0f, 200.0f, 200.0f)); Assert.AreEqual( new Vector3(0.0f, 100.0f, 100.0f), leftPoint, "Closest point on left end found" ); Vector3 midLeftRight = line.ClosestPointTo(new Vector3(0.5f, 200.0f, 200.0f)); Assert.AreEqual( new Vector3(0.5f, 100.0f, 100.0f), midLeftRight, "Closest point inmidst of line found" ); Vector3 rightPoint = line.ClosestPointTo(new Vector3(1.0f, 200.0f, 200.0f)); Assert.AreEqual( new Vector3(1.0f, 100.0f, 100.0f), rightPoint, "Closest point on right end found" ); Vector3 rightCap = line.ClosestPointTo(new Vector3(3.0f, 200.0f, 200.0f)); Assert.AreEqual( new Vector3(1.0f, 100.0f, 100.0f), rightCap, "Closest point beyond right end found" ); // Test whether the closest point determination works on the Y axis line = new Segment3(new Vector3(100.0f, 0.0f, 100.0f), new Vector3(100.0f, 1.0f, 100.0f)); leftCap = line.ClosestPointTo(new Vector3(200.0f, -2.0f, 200.0f)); Assert.AreEqual( new Vector3(100.0f, 0.0f, 100.0f), leftCap, "Closest point beyond lower end found" ); leftPoint = line.ClosestPointTo(new Vector3(200.0f, 0.0f, 200.0f)); Assert.AreEqual( new Vector3(100.0f, 0.0f, 100.0f), leftPoint, "Closest point on lower end found" ); midLeftRight = line.ClosestPointTo(new Vector3(200.0f, 0.5f, 200.0f)); Assert.AreEqual( new Vector3(100.0f, 0.5f, 100.0f), midLeftRight, "Closest point inmidst of line found" ); rightPoint = line.ClosestPointTo(new Vector3(200.0f, 1.0f, 200.0f)); Assert.AreEqual( new Vector3(100.0f, 1.0f, 100.0f), rightPoint, "Closest point on upper end found" ); rightCap = line.ClosestPointTo(new Vector3(200.0f, 3.0f, 200.0f)); Assert.AreEqual( new Vector3(100.0f, 1.0f, 100.0f), rightCap, "Closest point beyond upper end found" ); // Test whether the closest point determination works on the Z axis line = new Segment3(new Vector3(100.0f, 100.0f, 0.0f), new Vector3(100.0f, 100.0f, 1.0f)); leftCap = line.ClosestPointTo(new Vector3(200.0f, 200.0f, -2.0f)); Assert.AreEqual( new Vector3(100.0f, 100.0f, 0.0f), leftCap, "Closest point beyond nearest end found" ); leftPoint = line.ClosestPointTo(new Vector3(200.0f, 200.0f, 0.0f)); Assert.AreEqual( new Vector3(100.0f, 100.0f, 0.0f), leftPoint, "Closest point on nearest end found" ); midLeftRight = line.ClosestPointTo(new Vector3(200.0f, 200.0f, 0.5f)); Assert.AreEqual( new Vector3(100.0f, 100.0f, 0.5f), midLeftRight, "Closest point inmidst of line found" ); rightPoint = line.ClosestPointTo(new Vector3(200.0f, 200.0f, 1.0f)); Assert.AreEqual( new Vector3(100.0f, 100.0f, 1.0f), rightPoint, "Closest point on farthest end found" ); rightCap = line.ClosestPointTo(new Vector3(200.0f, 200.0f, 3.0f)); Assert.AreEqual( new Vector3(100.0f, 100.0f, 1.0f), rightCap, "Closest point beyond farthest end found" ); }
public void TestFindContactsOnOrientedBox() { Volumes.Box3 box = new Volumes.Box3( MatrixHelper.Create( new Vector3(15.0f, 15.0f, 15.0f), Vector3.Normalize(new Vector3(1.0f, -1.0f, -1.0f)), Vector3.Normalize(new Vector3(1.0f, 1.0f, -1.0f)), Vector3.Normalize(new Vector3(1.0f, 1.0f, 1.0f)) ), new Vector3(5.0f, 5.0f, 5.0f) ); float boxRadius = (float)Math.Sqrt(5 * 5 + 5 * 5 + 5 * 5); float outRadius = boxRadius + Specifications.MaximumDeviation; float[] contacts = new Segment3( new Vector3(0.0f, 15.0f, 15.0f), new Vector3(30.0f, 15.0f, 15.0f) ).FindContacts(box); Assert.AreEqual( (15.0f - boxRadius) / 30.0f, contacts[0], Specifications.MaximumDeviation, "Contact locations on box for X sweep found" ); Assert.AreEqual( (15.0f + boxRadius) / 30.0f, contacts[1], Specifications.MaximumDeviation, "Contact locations on box for X sweep found" ); Assert.IsNull( new Segment3( new Vector3(0.0f, 15.0f, 15.0f), new Vector3(15.0f - outRadius, 15.0f, 15.0f) ).FindContacts(box), "Close miss of box on X axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f + outRadius, 15.0f, 15.0f), new Vector3(30.0f, 15.0f, 15.0f) ).FindContacts(box), "Close miss of box on X axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(0.0f, 15.0f - outRadius, 15.0f), new Vector3(30.0f, 15.0f - outRadius, 15.0f) ).FindContacts(box), "Close miss of box on Y axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(0.0f, 15.0f + outRadius, 15.0f), new Vector3(30.0f, 15.0f + outRadius, 15.0f) ).FindContacts(box), "Close miss of box on Y axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(0.0f, 15.0f, 15.0f - outRadius), new Vector3(30.0f, 15.0f, 15.0f - outRadius) ).FindContacts(box), "Close miss of box on Z axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(0.0f, 15.0f, 15.0f + outRadius), new Vector3(30.0f, 15.0f, 15.0f + outRadius) ).FindContacts(box), "Close miss of box on Z axis properly handled" ); contacts = new Segment3( new Vector3(15.0f, 0.0f, 15.0f), new Vector3(15.0f, 30.0f, 15.0f) ).FindContacts(box); Assert.AreEqual( (15.0f - boxRadius) / 30.0f, contacts[0], Specifications.MaximumDeviation, "Contact locations on box for Y sweep found" ); Assert.AreEqual( (15.0f + boxRadius) / 30.0f, contacts[1], Specifications.MaximumDeviation, "Contact locations on box for Y sweep found" ); Assert.IsNull( new Segment3( new Vector3(15.0f, 0.0f, 15.0f), new Vector3(15.0f, 15.0f - outRadius, 15.0f) ).FindContacts(box), "Close miss of box on Y axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f, 15.0f + outRadius, 15.0f), new Vector3(15.0f, 30.0f, 15.0f) ).FindContacts(box), "Close miss of box on Y axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f - outRadius, 0.0f, 15.0f), new Vector3(15.0f - outRadius, 30.0f, 15.0f) ).FindContacts(box), "Close miss of box on X axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f + outRadius, 0.0f, 15.0f), new Vector3(15.0f + outRadius, 30.0f, 15.0f) ).FindContacts(box), "Close miss of box on X axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f, 0.0f, 15.0f - outRadius), new Vector3(15.0f, 30.0f, 15.0f - outRadius) ).FindContacts(box), "Close miss of box on Z axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f, 0.0f, 15.0f + outRadius), new Vector3(15.0f, 30.0f, 15.0f + outRadius) ).FindContacts(box), "Close miss of box on Z axis properly handled" ); contacts = new Segment3( new Vector3(15.0f, 15.0f, 0.0f), new Vector3(15.0f, 15.0f, 30.0f) ).FindContacts(box); Assert.AreEqual( (15.0f - boxRadius) / 30.0, contacts[0], Specifications.MaximumDeviation, "Contact locations on boxf for Z sweep found" ); Assert.AreEqual( (15.0f + boxRadius) / 30.0f, contacts[1], Specifications.MaximumDeviation, "Contact locations on box for Z sweep found" ); Assert.IsNull( new Segment3( new Vector3(15.0f, 15.0f, 0.0f), new Vector3(15.0f, 15.0f, 15.0f - outRadius) ).FindContacts(box), "Close miss of box on Z axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f, 15.0f, 15.0f + outRadius), new Vector3(15.0f, 15.0f, 30.0f) ).FindContacts(box), "Close miss of box on Z axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f - outRadius, 15.0f, 0.0f), new Vector3(15.0f - outRadius, 15.0f, 30.0f) ).FindContacts(box), "Close miss of box on X axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f + outRadius, 15.0f, 0.0f), new Vector3(15.0f + outRadius, 15.0f, 30.0f) ).FindContacts(box), "Close miss of box on X axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f, 15.0f - outRadius, 0.0f), new Vector3(15.0f, 15.0f - outRadius, 30.0f) ).FindContacts(box), "Close miss of box on Y axis properly handled" ); Assert.IsNull( new Segment3( new Vector3(15.0f, 15.0f + outRadius, 0.0f), new Vector3(15.0f, 15.0f + outRadius, 30.0f) ).FindContacts(box), "Close miss of box on Y axis properly handled" ); }
public Segment3(Segment3 other) { Start = other.Start; End = other.End; }
/// <summary>Checks whether another instance is equal to this instance</summary> /// <param name="other">Other instance to compare to this instance</param> /// <returns>True if the other instance is equal to this instance</returns> public virtual bool Equals(Segment3 other) { if(ReferenceEquals(other, null)) return false; else return (this.Start == other.Start) && (this.End == other.End); }