public void TestAsynchronousUpdate()
{
using (
ParticleSystem <SimpleParticle> system = new ParticleSystem <SimpleParticle>(40)
) {
system.Affectors.Add(
new MovementAffector <SimpleParticle>(SimpleParticleModifier.Default)
);
for (int index = 0; index < 40; ++index)
{
SimpleParticle particle = new SimpleParticle();
particle.Position.Y = (float)index;
particle.Velocity.X = 1.2f;
system.AddParticle(particle);
}
IAsyncResult asyncResult = system.BeginUpdate(2, 4, null, null);
system.EndUpdate(asyncResult);
for (int index = 0; index < system.Particles.Count; ++index)
{
Assert.AreEqual(2.4f, system.Particles.Array[index].Position.X);
}
}
}
public void TestAsynchronousPrune()
{
using (
ParticleSystem <SimpleParticle> system = new ParticleSystem <SimpleParticle>(10)
) {
for (int index = 0; index < 15; ++index)
{
SimpleParticle particle = new SimpleParticle();
particle.Position.Y = (float)index;
system.AddParticle(particle);
}
for (int repetition = 0; repetition < 3; ++repetition)
{
IAsyncResult asyncResult = system.BeginPrune(
delegate(ref SimpleParticle particle) {
Thread.Sleep(0); // yield time slice
return(particle.Position.Y < 5.0f);
},
null, null
);
system.EndPrune(asyncResult);
}
Assert.AreEqual(5, system.Particles.Count);
for (int index = 0; index < system.Particles.Count; ++index)
{
Assert.Less(system.Particles.Array[index].Position.Y, 5.0f);
}
}
}
public void TestPrune()
{
using (
ParticleSystem <SimpleParticle> system = new ParticleSystem <SimpleParticle>(10)
) {
for (int index = 0; index < 10; ++index)
{
SimpleParticle particle = new SimpleParticle();
particle.Position.Y = (float)index;
system.AddParticle(particle);
}
system.Prune(
delegate(ref SimpleParticle particle) {
return(particle.Position.Y < 5.0f);
}
);
Assert.AreEqual(5, system.Particles.Count);
for (int index = 0; index < system.Particles.Count; ++index)
{
Assert.Less(system.Particles.Array[index].Position.Y, 5.0f);
}
}
}
public void TestSetVelocity() {
SimpleParticle particle = new SimpleParticle();
Vector3 velocity = new Vector3(1.2f, 3.4f, 5.6f);
SimpleParticleModifier.Default.SetVelocity(ref particle, ref velocity);
Assert.AreEqual(velocity, particle.Velocity);
}
public void TestGetVelocity() {
SimpleParticle particle = new SimpleParticle();
particle.Velocity = new Vector3(1.2f, 3.4f, 5.6f);
Vector3 velocity;
SimpleParticleModifier.Default.GetVelocity(ref particle, out velocity);
Assert.AreEqual(new Vector3(1.2f, 3.4f, 5.6f), velocity);
}
public void TestSetVelocity()
{
SimpleParticle particle = new SimpleParticle();
Vector3 velocity = new Vector3(1.2f, 3.4f, 5.6f);
SimpleParticleModifier.Default.SetVelocity(ref particle, ref velocity);
Assert.AreEqual(velocity, particle.Velocity);
}
public void TestSetPosition()
{
SimpleParticle particle = new SimpleParticle();
Vector3 position = new Vector3(1.2f, 3.4f, 5.6f);
SimpleParticleModifier.Default.SetPosition(ref particle, ref position);
Assert.AreEqual(position, particle.Position);
}
public void TestGetVelocity()
{
SimpleParticle particle = new SimpleParticle();
particle.Velocity = new Vector3(1.2f, 3.4f, 5.6f);
Vector3 velocity;
SimpleParticleModifier.Default.GetVelocity(ref particle, out velocity);
Assert.AreEqual(new Vector3(1.2f, 3.4f, 5.6f), velocity);
}
public void TestConstructor() {
SimpleParticle particle = new SimpleParticle(
new Vector3(1.1f, 2.2f, 3.3f), new Vector3(4.4f, 5.5f, 6.6f)
);
Assert.AreEqual(1.1f, particle.Position.X);
Assert.AreEqual(2.2f, particle.Position.Y);
Assert.AreEqual(3.3f, particle.Position.Z);
Assert.AreEqual(4.4f, particle.Velocity.X);
Assert.AreEqual(5.5f, particle.Velocity.Y);
Assert.AreEqual(6.6f, particle.Velocity.Z);
}
public void TestGetPosition()
{
SimpleParticle particle = new SimpleParticle();
particle.Position = new Vector3(1.2f, 3.4f, 5.6f);
Vector3 position;
SimpleParticleModifier.Default.GetPosition(ref particle, out position);
Assert.AreEqual(new Vector3(1.2f, 3.4f, 5.6f), position);
}
public void TestAddToVelocity()
{
SimpleParticle[] particles = new SimpleParticle[] {
new SimpleParticle(), new SimpleParticle()
};
Vector3 adjustment = new Vector3(1.2f, 3.4f, 5.6f);
SimpleParticleModifier.Default.AddToVelocity(particles, 0, 2, ref adjustment);
Assert.AreEqual(adjustment, particles[0].Velocity);
Assert.AreEqual(adjustment, particles[1].Velocity);
}
public void TestConstructor()
{
SimpleParticle particle = new SimpleParticle(
new Vector3(1.1f, 2.2f, 3.3f), new Vector3(4.4f, 5.5f, 6.6f)
);
Assert.AreEqual(1.1f, particle.Position.X);
Assert.AreEqual(2.2f, particle.Position.Y);
Assert.AreEqual(3.3f, particle.Position.Z);
Assert.AreEqual(4.4f, particle.Velocity.X);
Assert.AreEqual(5.5f, particle.Velocity.Y);
Assert.AreEqual(6.6f, particle.Velocity.Z);
}
public void TestAddScaledVelocityToPosition()
{
SimpleParticle[] particles = new SimpleParticle[] {
new SimpleParticle(), new SimpleParticle()
};
particles[0].Velocity = new Vector3(1.0f, 2.0f, 3.0f);
particles[1].Velocity = new Vector3(4.0f, 5.0f, 6.0f);
SimpleParticleModifier.Default.AddScaledVelocityToPosition(particles, 0, 2, 2.5f);
Assert.AreEqual(particles[0].Velocity * 2.5f, particles[0].Position);
Assert.AreEqual(particles[1].Velocity * 2.5f, particles[1].Position);
}
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);
}
}
public void TestMovement()
{
MovementAffector <SimpleParticle> affector = new MovementAffector <SimpleParticle>(
SimpleParticleModifier.Default
);
SimpleParticle[] /*100*/ particles = new SimpleParticle[100];
particles[0].Velocity = Vector3.One;
particles[25].Velocity.X = 1.2f;
particles[50].Velocity.Y = 3.4f;
particles[75].Velocity.Z = 5.6f;
particles[99].Velocity = -Vector3.One;
affector.Affect(particles, 20, 60, 1);
for (int index = 0; index < 100; ++index)
{
switch (index)
{
case 25: {
Assert.AreEqual(new Vector3(1.2f, 0.0f, 0.0f), particles[index].Position);
break;
}
case 50: {
Assert.AreEqual(new Vector3(0.0f, 3.4f, 0.0f), particles[index].Position);
break;
}
case 75: {
Assert.AreEqual(new Vector3(0.0f, 0.0f, 5.6f), particles[index].Position);
break;
}
default: {
Assert.AreEqual(Vector3.Zero, particles[index].Position);
break;
}
}
}
}
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);
}
}
public void TestSetWeight()
{
SimpleParticle particle = new SimpleParticle();
SimpleParticleModifier.Default.SetWeight(ref particle, 12.34f);
}
public void TestGetWeight()
{
SimpleParticle particle = new SimpleParticle();
Assert.AreEqual(0.0f, SimpleParticleModifier.Default.GetWeight(ref particle));
}
public void TestGetPosition() {
SimpleParticle particle = new SimpleParticle();
particle.Position = new Vector3(1.2f, 3.4f, 5.6f);
Vector3 position;
SimpleParticleModifier.Default.GetPosition(ref particle, out position);
Assert.AreEqual(new Vector3(1.2f, 3.4f, 5.6f), position);
}
public void TestSetPosition() {
SimpleParticle particle = new SimpleParticle();
Vector3 position = new Vector3(1.2f, 3.4f, 5.6f);
SimpleParticleModifier.Default.SetPosition(ref particle, ref position);
Assert.AreEqual(position, particle.Position);
}
public void TestSetWeight() {
SimpleParticle particle = new SimpleParticle();
SimpleParticleModifier.Default.SetWeight(ref particle, 12.34f);
}
public void TestGetWeight() {
SimpleParticle particle = new SimpleParticle();
Assert.AreEqual(0.0f, SimpleParticleModifier.Default.GetWeight(ref particle));
}
public void TestAddScaledVelocityToPosition() {
SimpleParticle[] particles = new SimpleParticle[] {
new SimpleParticle(), new SimpleParticle()
};
particles[0].Velocity = new Vector3(1.0f, 2.0f, 3.0f);
particles[1].Velocity = new Vector3(4.0f, 5.0f, 6.0f);
SimpleParticleModifier.Default.AddScaledVelocityToPosition(particles, 0, 2, 2.5f);
Assert.AreEqual(particles[0].Velocity * 2.5f, particles[0].Position);
Assert.AreEqual(particles[1].Velocity * 2.5f, particles[1].Position);
}
public void TestAddToVelocity() {
SimpleParticle[] particles = new SimpleParticle[] {
new SimpleParticle(), new SimpleParticle()
};
Vector3 adjustment = new Vector3(1.2f, 3.4f, 5.6f);
SimpleParticleModifier.Default.AddToVelocity(particles, 0, 2, ref adjustment);
Assert.AreEqual(adjustment, particles[0].Velocity);
Assert.AreEqual(adjustment, particles[1].Velocity);
}
