public void TestCoalescability()
{
GravityAffector <SimpleParticle> affector = new GravityAffector <SimpleParticle>(
SimpleParticleModifier.Default
);
Assert.IsFalse(affector.IsCoalescable);
}
public void TestConstructor()
{
GravityAffector <SimpleParticle> affector = new GravityAffector <SimpleParticle>(
SimpleParticleModifier.Default
);
Assert.IsNotNull(affector); // nonsense; avoids compiler warning
}
public void TestGravity()
{
GravityAffector <SimpleParticle> affector = new GravityAffector <SimpleParticle>(
SimpleParticleModifier.Default
);
SimpleParticle[] /*100*/ particles = new SimpleParticle[100];
affector.Affect(particles, 25, 50, (int)affector.UpdatesPerSecond);
for (int index = 0; index < 25; ++index)
{
Assert.AreEqual(Vector3.Zero, particles[index].Velocity);
}
for (int index = 25; index < 50; ++index)
{
Assert.AreEqual(affector.Gravity, particles[index].Velocity);
}
for (int index = 75; index < 100; ++index)
{
Assert.AreEqual(Vector3.Zero, particles[index].Velocity);
}
}
