public void GetLocalMassDataTest2()
{
Scene scene = new Scene();
scene.Gravity = new Vector2();
Actor actor = new Actor(scene, PolygonFactory.CreateRectangle(4, 1));
FloatPortal p0 = new FloatPortal(scene);
FloatPortal p1 = new FloatPortal(scene);
Portal.SetLinked(p0, p1);
p0.SetTransform(new Transform2(new Vector2(1, 0)));
p1.SetTransform(new Transform2(new Vector2(50, 0)));
FloatPortal p2 = new FloatPortal(scene);
FloatPortal p3 = new FloatPortal(scene);
Portal.SetLinked(p2, p3);
p2.SetTransform(new Transform2(new Vector2(-1, 0)));
p3.SetTransform(new Transform2(new Vector2(-50, 0)));
scene.Step();
MassData result = GetLocalMassData(actor.Body);
Assert.AreEqual(actor.GetMass() / 2.0f, result.Mass, Delta);
Assert.IsTrue((new Vector2() - result.Centroid).Length < Delta);
}
public void GetLocalMassDataTest1()
{
Scene scene = new Scene();
scene.Gravity = new Vector2();
Actor actor = new Actor(scene, PolygonFactory.CreateRectangle(4, 1));
FloatPortal enter = new FloatPortal(scene);
FloatPortal exit = new FloatPortal(scene);
Portal.SetLinked(enter, exit);
enter.SetTransform(new Transform2(new Vector2(1, 0)));
exit.SetTransform(new Transform2(new Vector2(50, 0)));
scene.Step();
MassData result = GetLocalMassData(actor.Body);
Assert.AreEqual(actor.GetMass() * 3.0f / 4.0f, result.Mass, Delta);
Assert.IsTrue((new Vector2(-0.5f, 0) - result.Centroid).Length < Delta);
}
public void AsymmetricPortalSizeBugTest()
{
Scene scene = new Scene();
scene.Gravity = new Vector2();
FloatPortal portal0 = new FloatPortal(scene);
FloatPortal portal1 = new FloatPortal(scene);
portal0.SetTransform(new Transform2(new Vector2(0, 0), 1, (float)Math.PI / 2));
portal1.SetTransform(new Transform2(new Vector2(10, 0), 2, (float)Math.PI / 2, true));
Portal.SetLinked(portal0, portal1);
PortalCommon.UpdateWorldTransform(scene);
Actor actor = new Actor(scene, PolygonFactory.CreateRectangle(1, 4));
Vector2 startPos = new Vector2(0, 1);
actor.SetTransform(new Transform2(startPos));
for (int i = 0; i < 10; i++)
{
scene.Step(1 / (float)60);
Assert.IsTrue((actor.GetTransform().Position - startPos).Length < 0.001f);
}
}
public void GetCentroidTest2()
{
Scene scene = new Scene();
scene.Gravity = new Vector2();
Actor actor = new Actor(scene, PolygonFactory.CreateRectangle(0.5f, 3f));
FloatPortal enter = new FloatPortal(scene);
FloatPortal exit = new FloatPortal(scene);
Portal.SetLinked(enter, exit);
enter.SetTransform(new Transform2(new Vector2(0, 1), 1, (float)(Math.PI / 2)));
exit.SetTransform(new Transform2(new Vector2(5, 0), 2));
scene.Step();
Vector2 centroid = actor.GetCentroid();
foreach (BodyData data in Tree<BodyData>.GetAll(BodyExt.GetData(actor.Body)))
{
data.Body.LocalCenter = actor.Body.GetLocalPoint((Xna.Vector2)centroid);
}
Assert.IsTrue((actor.Body.LocalCenter - (Xna.Vector2)centroid).Length() < 0.0001f);
Assert.IsTrue((centroid - new Vector2(0, 1.6959f)).Length < 0.0001f);
}
public void GetCentroidTest4()
{
Scene scene = new Scene();
scene.Gravity = new Vector2();
Actor actor = new Actor(scene, PolygonFactory.CreateRectangle(0.5f, 3f));
Vector2 offset = new Vector2(2, 5);
actor.SetTransform(new Transform2(offset));
FloatPortal enter = new FloatPortal(scene);
FloatPortal exit = new FloatPortal(scene);
Portal.SetLinked(enter, exit);
enter.SetTransform(new Transform2(new Vector2(0, 1) + offset, 1, (float)(Math.PI / 2), true));
exit.SetTransform(new Transform2(new Vector2(5, 0) + offset, 2));
scene.Step();
Vector2 centroid = actor.GetCentroid();
Assert.IsTrue((centroid - new Vector2(0, 1.6959f) - offset).Length < 0.001f);
}