public void TestDispatchToDetector()
{
var pA = new Particle {
Mass = 1, Position = new Vector2D(0, 0)
};
var pB = new Particle {
Mass = 1, Position = new Vector2D(2, 0)
};
pA.BindShape(new Circle(5));
pB.BindShape(new Circle(5));
var contact = ContactRegistry.DispatchToDetector(
ContactRegistry.ContactTypeMap[(int)pA.Shape.Type, (int)pB.Shape.Type],
pA.Shape, pB.Shape);
Assert.IsNotNull(contact, "发生圆圆碰撞");
var edge = new Edge(0, 4, 4, 4);
contact = ContactRegistry.DispatchToDetector(
ContactRegistry.ContactTypeMap[(int)pA.Shape.Type, (int)edge.Type],
pA.Shape, edge);
Assert.IsNotNull(contact, "发生圆边碰撞");
}
public void TestResolveContactsStopIteration()
{
Settings.ContactIteration = 2;
var pA = new Particle {
Mass = 1, Position = new Vector2D(0, 0)
};
var pB = new Particle {
Mass = 1, Position = new Vector2D(2, 0)
};
pA.BindShape(new Circle(5));
pB.BindShape(new Circle(5));
var objects = new HashSet <PhysicsObject> {
pA, pB
};
var contactRegistry = new ContactRegistry(objects, new HashSet <Edge>());
contactRegistry.OnContactEvent += (s, a) =>
{
_isRan = true;
Assert.AreEqual(contactRegistry, s);
Assert.AreEqual(1, a.ContactList.Count);
};
contactRegistry.ResolveContacts(1 / 60.0);
Assert.IsTrue(_isRan);
}
public void TestResolveContactsNotAddMoreContact()
{
Settings.ContactIteration = 1;
Settings.MaxContacts = 0;
var pA = new Particle {
Mass = 1, Position = new Vector2D(0, 0)
};
var pB = new Particle {
Mass = 1, Position = new Vector2D(2, 0)
};
pA.BindShape(new Circle(5));
pB.BindShape(new Circle(5));
var contactRegistry = new ContactRegistry(new HashSet <PhysicsObject>(), new HashSet <Edge>());
contactRegistry.Add(new ParticleRope(2, 0, pA, pB));
contactRegistry.OnContactEvent += (s, a) =>
{
Assert.AreEqual(contactRegistry, s);
Assert.AreEqual(0, a.ContactList.Count);
};
contactRegistry.ResolveContacts(1 / 60.0);
Settings.MaxContacts = 500;
}
public void TestResolveContacts()
{
Settings.ContactIteration = 1;
var pA = new Particle {
Mass = 1, Position = new Vector2D(0, 0)
};
var pB = new Particle {
Mass = 1, Position = new Vector2D(2, 0)
};
pA.BindShape(new Circle(5));
pB.BindShape(new Circle(5));
var objects = new HashSet <PhysicsObject> {
pA, pB
};
var edge = new Edge(0, 4, 4, 4);
var edges = new HashSet <Edge> {
edge
};
var contactRegistry = new ContactRegistry(objects, edges);
contactRegistry.OnContactEvent += (s, a) =>
{
Assert.AreEqual(contactRegistry, s);
Assert.AreEqual(3, a.ContactList.Count);
};
contactRegistry.ResolveContacts(1 / 60.0);
}
public void TestExcuteParticleCollisionDetector()
{
var pA = new Particle {
Mass = 1, Position = new Vector2D(0, 0)
};
var pB = new Particle {
Mass = 1, Position = new Vector2D(2, 0)
};
pA.BindShape(new Circle(5));
pB.BindShape(new Circle(5));
var objects = new HashSet <PhysicsObject> {
pA, pB
};
var edge = new Edge(0, 4, 4, 4);
var edges = new HashSet <Edge> {
edge
};
var shapes = ContactRegistry.CollectAllShapes(objects, edges);
var contacts = ContactRegistry.ExcuteParticleCollisionDetector(shapes);
var count = 0;
foreach (var contact in contacts)
{
count++;
}
Assert.AreEqual(3, count, "应当产生三个碰撞");
shapes = new List <Shape> {
edge, pA.Shape, pB.Shape
};
contacts = ContactRegistry.ExcuteParticleCollisionDetector(shapes);
count = 0;
foreach (var contact in contacts)
{
count++;
}
Assert.AreEqual(3, count, "形状列表的次序不影响结果");
pA.BindShape(new Circle(5, 1));
pB.BindShape(new Circle(5, 1));
shapes = new List <Shape> {
pA.Shape, edge, pB.Shape
};
contacts = ContactRegistry.ExcuteParticleCollisionDetector(shapes);
count = 0;
foreach (var contact in contacts)
{
count++;
}
Assert.AreEqual(2, count, "形状标识符一致的物体不执行碰撞检测");
}
public void TestConstructor()
{
var objects = new HashSet <PhysicsObject>
{
new Particle {
Mass = 1, Position = new Vector2D(0, 0)
},
new Particle {
Mass = 1, Position = new Vector2D(2, 0)
}
};
var contactRegistry = new ContactRegistry(objects, new HashSet <Edge>());
Assert.IsNotNull(contactRegistry);
}
public void TestCollectAllShapes()
{
var pA = new Particle {
Mass = 1, Position = new Vector2D(0, 0)
};
var pB = new Particle {
Mass = 1, Position = new Vector2D(2, 0)
};
pA.BindShape(new Circle(5));
pB.BindShape(new Point());
var objects = new HashSet <PhysicsObject> {
pA, pB
};
var edges = new HashSet <Edge> {
new Edge(0, 4, 4, 4)
};
var shapes = ContactRegistry.CollectAllShapes(objects, edges);
Assert.AreEqual(2, shapes.Count);
}
