public void TestResovleMultiContacts()
{
var resolver = new ParticleContactResolver(100);
var p = new List <Particle>
{
new Particle
{
Position = new Vector2D(0, 0),
Velocity = new Vector2D(0, 0),
Mass = 1
},
new Particle
{
Position = new Vector2D(2, 0),
Velocity = new Vector2D(0, 0),
Mass = 1
},
new Particle
{
Position = new Vector2D(4, 0),
Velocity = new Vector2D(0, 0),
Mass = 1
}
};
var contactList = new List <ParticleContact>
{
new ParticleContact(p[0], p[1], 1, 1, new Vector2D(-1, 0)),
new ParticleContact(p[2], p[1], 1, 1, new Vector2D(1, 0))
};
resolver.ResolveContacts(contactList, 1 / 60.0);
Assert.AreEqual(new Vector2D(-1, 0), p[0].Position, "物体0向左分离");
Assert.AreEqual(new Vector2D(2, 0), p[1].Position, "物体1位置不变");
Assert.AreEqual(new Vector2D(5, 0), p[2].Position, "物体2向右分离");
}
public void TestGetterAndSetterOfIterations()
{
var resolver = new ParticleContactResolver(100);
resolver.Iterations = 1000;
Assert.AreEqual(1000, resolver.Iterations);
}
/// <summary>
/// Crea un nuovo particle simulator che gestisce il dato numero di contatti per frame.
/// Si può specificare il numero di iterazioni massime da usare.
/// </summary>
/// <param name="maxContacts">Massimo numero di contacts gestiti</param>
/// <param name="iteration">Massimo numero di iterazioni nella risoluzione dei contacts</param>
public ParticleWorld(uint maxContacts, uint iteration)
{
Particles = new List <Particle>();
forceRegistry = new ForceRegistry();
resolver = new ParticleContactResolver(iteration);
contactGenRegistration = new List <ParticleContactGenerator>();
contacts = new List <ParticleContact>();
}
public void TestResolveContacts()
{
var resolver = new ParticleContactResolver(100);
var p = new List <Particle>
{
new Particle
{
Position = new Vector2D(0, 0),
Velocity = new Vector2D(1, 0),
Mass = 1
},
new Particle
{
Position = new Vector2D(2, 0),
Velocity = new Vector2D(0, 0),
Mass = 1
}
};
var contact = new ParticleContact(p[0], p[1], 1, 1, new Vector2D(-1, 0));
var contactList = new List <ParticleContact>();
resolver.ResolveContacts(contactList, 1 / 60.0);
contactList.Add(contact);
resolver.ResolveContacts(contactList, 1 / 60.0);
Assert.AreEqual(new Vector2D(-1, 0), p[0].Position, "物体0依据速度分量分离");
Assert.AreEqual(new Vector2D(0, 0), p[0].Velocity, "物体0碰撞后速度相反");
Assert.AreEqual(new Vector2D(1, 0), p[1].Velocity, "物体1碰撞后速度相反");
p = new List <Particle>
{
new Particle
{
Position = new Vector2D(0, 0),
Velocity = new Vector2D(1, 0),
Mass = 1
},
new Particle
{
Position = new Vector2D(2, 0),
Velocity = new Vector2D(0, 0),
Mass = 1
}
};
contactList = new List <ParticleContact>
{
new ParticleContact(p[1], p[0], 1, 1, new Vector2D(1, 0))
};
resolver.ResolveContacts(contactList, 1 / 60.0);
Assert.AreEqual(new Vector2D(-1, 0), p[0].Position, "函数满足对称性");
Assert.AreEqual(new Vector2D(0, 0), p[0].Velocity, "函数满足对称性");
Assert.AreEqual(new Vector2D(1, 0), p[1].Velocity, "函数满足对称性");
}
/// <summary>
/// Creates a new particle simulator that can handle up to the
/// given number of contacts per frame.You can also optionally
/// give a number of contact-resolution iterations to use. If you
/// don't give a number of iterations, then twice the number of
/// contacts will be used.
/// </summary>
public ParticleEngine(int maxContacts)
{
Particles = new List <Particle>();
ForceAreas = new List <ParticleForceArea>();
Forces = new List <ParticleForce>();
Constraints = new List <ParticleConstraint>();
Resolver = new ParticleContactResolver();
m_contacts = new ParticleContact[maxContacts];
for (int i = 0; i < maxContacts; i++)
{
m_contacts[i] = new ParticleContact();
}
}
public void TestConstructor()
{
var resolver = new ParticleContactResolver(100);
Assert.AreEqual(100, resolver.Iterations);
}
private void Awake()
{
resolver = GetComponent <ParticleContactResolver>();
particles = FindObjectsOfType <Particle>();
}
