public void CollideTest()
{
var space = new Space();
var body = new Body(1, 1.66);
var shape = new Box(body, 2, 2, 0);
var body2 = new Body(1, 1.66);
var shape2 = new Box(body2, 3, 3, 0);
body.Position = new Vect(2, 1);
body2.Position = new Vect(3, 2);
space.AddBody(body);
space.AddShape(shape);
space.AddBody(body2);
space.AddShape(shape2);
ContactPointSet pointSet = shape.Collide(shape2);
Assert.AreEqual(2, pointSet.Count, "#1");
Assert.AreEqual(new Vect(0, 1), pointSet.Normal, "#2");
Assert.AreEqual(2, pointSet.Points.Count, "#3.0");
Assert.AreEqual(new Vect(3, 2), pointSet.Points[0].PointA, "#3.1");
Assert.AreEqual(new Vect(3, 0.5), pointSet.Points[0].PointB, "#3.2");
Assert.AreEqual(-1.5, pointSet.Points[0].Distance, "#3.3");
Assert.AreEqual(new Vect(1.5, 2), pointSet.Points[1].PointA, "#4.1");
Assert.AreEqual(new Vect(1.5, 0.5), pointSet.Points[1].PointB, "#4.2");
Assert.AreEqual(-1.5, pointSet.Points[1].Distance, "#4.3");
space.Dispose();
}
public void TestArbiterProperties()
{
Space space;
using (space = new Space())
{
space.CollisionBias = 1.0;
float radius = 5.0f;
var body1 = new Body(1, 1.666)
{
Position = new Vect(0 * radius * 1.5, 0)
};
space.AddBody(body1);
Shape shape = new Circle(body1, radius);
space.AddShape(shape);
var body2 = new Body(1, 1.666)
{
Position = new Vect(0 * radius * 1.5, 0)
};
space.AddBody(body2);
var shape2 = new Circle(body2, radius);
space.AddShape(shape2);
CollisionHandler <object> handler = space.GetOrCreateCollisionHandler(0, 0);
handler.Data = "object data";
Body bodyA = null;
Body bodyB = null;
Shape shapeA = null;
Shape shapeB = null;
double restituition = -1;
double fricction = -1;
Vect surfaceVelocity = new Vect(-1, -1);
Vect totalImpulse = new Vect(-1, -1);
double ke = -1;
ContactPointSet pointSet = null;
bool first = false;
bool removal = true;
int count = -1;
Vect normal = new Vect(-1, -1);
Vect pointA = new Vect(-1, -1);
Vect pointB = new Vect(-1, -1);
double depth = -1;
var arb = default(Arbiter);
handler.Begin = (arbiter, s, obj) =>
{
Assert.IsNull(arbiter.Data, "arbiter.Data");
arbiter.Data = "another data";
arbiter.GetBodies(out bodyA, out bodyB);
arbiter.GetShapes(out shapeA, out shapeB);
restituition = arbiter.Restitution;
fricction = arbiter.Friction;
surfaceVelocity = arbiter.SurfaceVelocity;
totalImpulse = arbiter.TotalImpulse;
ke = arbiter.TotalKE;
pointSet = arbiter.ContactPointSet;
first = arbiter.IsFirstContact;
removal = arbiter.IsRemoval;
count = arbiter.Count;
normal = arbiter.Normal;
pointA = arbiter.GetPointA(0);
pointB = arbiter.GetPointB(0);
depth = arbiter.GetDepth(0);
arb = arbiter;
return(true);
};
space.Step(0.1);
Assert.AreSame(body2, bodyA, "#1");
Assert.AreSame(body1, bodyB, "#1.1");
var arbiters = bodyA.Arbiters;
Assert.AreEqual(1, arbiters.Count, "#0");
Assert.AreEqual(arb, arbiters[0], "#0.1");
Assert.AreEqual("another data", arbiters[0].Data, "#0.2");
Assert.AreSame(shape2, shapeA, "#2");
Assert.AreSame(shape, shapeB, "#2.1");
Assert.AreEqual(0, restituition, 0.00001, "#3");
Assert.AreEqual(0, fricction, 0.00001, "#4");
Assert.AreEqual(Vect.Zero, surfaceVelocity, "#5");
Assert.AreEqual(Vect.Zero, totalImpulse, "#6");
Assert.AreEqual(double.NaN, ke, "#7");
Assert.AreEqual(1, pointSet.Count, "8.1");
Assert.AreEqual(new Vect(1, 0), pointSet.Normal, "8.2");
Assert.AreEqual(-10, pointSet.Points[0].Distance, 0.00001, "8.3");
Assert.AreEqual(new Vect(5, 0), pointSet.Points[0].PointA, "8.4");
Assert.AreEqual(new Vect(-5, 0), pointSet.Points[0].PointB, "8.5");
Assert.AreEqual(0, pointSet.Points[1].Distance, 0.00001, "8.6");
Assert.AreEqual(new Vect(0, 0), pointSet.Points[1].PointA, "8.7");
Assert.AreEqual(new Vect(0, 0), pointSet.Points[1].PointB, "8.8");
Assert.IsTrue(first, "#9");
Assert.IsFalse(removal, "#10");
Assert.AreEqual(1, count, "#11");
Assert.AreEqual(new Vect(1, 0), normal, "#12");
Assert.AreEqual(new Vect(5, 0), pointA, "#13");
Assert.AreEqual(new Vect(-5, 0), pointB, "#14");
Assert.AreEqual(-10, depth, 0.00001, "#15");
}
}