public void TestClosestPointHorizontal() { Ray2 ray = new Ray2(new Vector2(0.0f, 100.0f), Vector2.UnitX); Vector2 leftCap = ray.ClosestPointTo(new Vector2(-2.0f, 200.0f)); Assert.AreEqual( new Vector2(0.0f, 100.0f), leftCap, "Closest point beyond left end found" ); Vector2 leftPoint = ray.ClosestPointTo(new Vector2(0.0f, 200.0f)); Assert.AreEqual( new Vector2(0.0f, 100.0f), leftPoint, "Closest point on left end found" ); Vector2 midLeftRight = ray.ClosestPointTo(new Vector2(0.5f, 200.0f)); Assert.AreEqual( new Vector2(0.5f, 100.0f), midLeftRight, "Closest point inmidst of line found" ); Vector2 rightPoint = ray.ClosestPointTo(new Vector2(1.0f, 200.0f)); Assert.AreEqual( new Vector2(1.0f, 100.0f), rightPoint, "Closest point on right end found" ); Vector2 rightCap = ray.ClosestPointTo(new Vector2(3.0f, 200.0f)); Assert.AreEqual( new Vector2(3.0f, 100.0f), rightCap, "Closest point beyond right end found" ); }
/// <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(Ray2 other) { if (other == null) { return(false); } else { return((this.Origin == other.Origin) && (this.Direction == other.Direction)); } }
public void TestSerialization() { XmlSerializer serializer = new XmlSerializer(typeof(Ray2)); System.IO.MemoryStream stream = new System.IO.MemoryStream(); Ray2 ray = new Ray2(new Vector2(123.0f, 456.0f), new Vector2(654.0f, 321.0f)); serializer.Serialize(stream, ray); stream.Seek(0, System.IO.SeekOrigin.Begin); Ray2 restored = (Ray2)serializer.Deserialize(stream); Assert.AreEqual(ray, restored, "Deserialized ray matches serialized ray"); }
public void TestConstructor() { Ray2 ray = new Ray2(new Vector2(2.0f, 3.0f), new Vector2(1.0f, 0.0f)); Assert.AreEqual(2.0f, ray.Origin.X, "X origin is taken over from constructor"); Assert.AreEqual(3.0f, ray.Origin.Y, "Y origin is taken over from constructor"); Assert.AreEqual(1.0f, ray.Direction.X, "X direction is taken over from constructor"); Assert.AreEqual(0.0f, ray.Direction.Y, "Y direction is taken over from constructor"); ray = new Ray2(new Vector2(2.0f, 3.0f), new Vector2(0.0f, 1.0f)); Assert.AreEqual(2.0f, ray.Origin.X, "X origin is taken over from constructor"); Assert.AreEqual(3.0f, ray.Origin.Y, "Y origin is taken over from constructor"); Assert.AreEqual(0.0f, ray.Direction.X, "X direction is taken over from constructor"); Assert.AreEqual(1.0f, ray.Direction.Y, "Y direction is taken over from constructor"); }
public void TestEqualityOperator() { Ray2 ray1 = new Ray2(new Vector2(100.0f, 200.0f), new Vector2(300.0f, 400.0f)); Ray2 ray2 = new Ray2(ray1); Assert.AreEqual(ray1, ray2, "Copied ray is equal to the original ray"); ray1.Origin.X = 0.0f; Assert.AreNotEqual(ray1, ray2, "Modified copy is no longer equal to the original ray"); ray1.Origin.X = 100.0f; ray1.Origin.Y = 0.0f; Assert.AreNotEqual(ray1, ray2, "Modified copy is no longer equal to the original ray"); ray1.Origin.Y = 200.0f; ray1.Direction.X = 0.0f; Assert.AreNotEqual(ray1, ray2, "Modified copy is no longer equal to the original ray"); ray1.Direction.X = 300.0f; ray1.Direction.Y = 0.0f; Assert.AreNotEqual(ray1, ray2, "Modified copy is no longer equal to the original ray"); ray1.Direction.Y = 400.0f; }
public void TestClosestPointVertical() { Ray2 ray = new Ray2(new Vector2(100.0f, 0.0f), Vector2.UnitY); Vector2 leftCap = ray.ClosestPointTo(new Vector2(200.0f, -2.0f)); Assert.AreEqual(new Vector2(100.0f, 0.0f), leftCap, "Closest point beyond lower end found"); Vector2 leftPoint = ray.ClosestPointTo(new Vector2(200.0f, 0.0f)); Assert.AreEqual(new Vector2(100.0f, 0.0f), leftPoint, "Closest point on lower end found"); Vector2 midLeftRight = ray.ClosestPointTo(new Vector2(200.0f, 0.5f)); Assert.AreEqual(new Vector2(100.0f, 0.5f), midLeftRight, "Closest point inmidst of line found"); Vector2 rightPoint = ray.ClosestPointTo(new Vector2(200.0f, 1.0f)); Assert.AreEqual(new Vector2(100.0f, 1.0f), rightPoint, "Closest point on upper end found"); Vector2 rightCap = ray.ClosestPointTo(new Vector2(200.0f, 3.0f)); Assert.AreEqual(new Vector2(100.0f, 3.0f), rightCap, "Closest point beyond upper end found"); }
public Ray2(Ray2 other) { Origin = other.Origin; Direction = other.Direction; }
/// <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(Ray2 other) { if(other == null) return false; else return (this.Origin == other.Origin) && (this.Direction == other.Direction); }
public void TestEqualityOperatorAgainstNull() { Ray2 line = new Ray2(); Assert.IsFalse(line.Equals(null), "Initialized Line is not equal to null"); }