//pretty sure this calls at the start of each frame so error with increaing partRegLen might be in here
void Start()
{
float x;
float y;
float z;
GameObject prefab = new GameObject();
prefab = this.part;
MyVector3 myVector = new MyVector3();
MyVector3 VectGrav = new MyVector3(0, 1f, 0);
ParticleGravity grav = new ParticleGravity(VectGrav);
Vector3 vector;
//world.startFrame ();
//creates particles and keeps track of them
while (numParticles < maxNumParticles)
{
///create particle with random position
myVector = createRandomVector();
//add to particle list in this classs for display compatibility reasons
vector = myVector.convertToVector3();
particleList.Add(prefab);
_particleList.Add(prefab);
/*
* particleList[numParticles].setInverseMassWithMass (0.5f);
* particleList[numParticles].affectedByGravity (true);
* particleList[numParticles].checkGravity();
*/
particleList[numParticles] = Instantiate(_particleList[numParticles], vector, Quaternion.identity, gameObject.transform);
//create particle and add it to the registry in the world
world.particle.setPosition(myVector);
world.particle.setInverseMass(0.2f);
world.addToParitcleReg(world.particle);
myVector = createRandomVector();
Move force = new Move(myVector.getComponentX(), myVector.getComponentY(), myVector.getComponentZ());
world.registry.add(world.particleReg[numParticles], force);
world.registry.add(world.particleReg[numParticles], grav);
//print ("Force added to particle");
numParticles++;
}
print("The length of the world registry is " + (world.registry.getLength()));
//Write function and throw this into Particle World Class!!!! possibly
for (int i = 0; i < numParticles - 1; i++)
{
for (int j = i + 1; j < numParticles; j++)
{
world.thisContact.addParticle(world.particleReg[i], world.particleReg[j]);
world.contacts.Add(world.thisContact);
}
}
}
/// <summary>
/// Run the application
/// </summary>
public void Go()
{
// Make the particle emitter.
emit = new ParticleRectangleEmitter(particles);
emit.Frequency = 50000; // 100000 every 1000 updates.
emit.LifeFullMin = 20;
emit.LifeFullMax = 50;
emit.LifeMin = 10;
emit.LifeMax = 30;
emit.DirectionMin = -2; // shoot up in radians.
emit.DirectionMax = -1;
emit.ColorMin = Color.DarkBlue;
emit.ColorMax = Color.LightBlue;
emit.SpeedMin = 5;
emit.SpeedMax = 20;
emit.MaxSize = new SizeF(5, 5);
emit.MinSize = new SizeF(1, 1);
// Make the first particle (a pixel)
ParticlePixel first = new ParticlePixel(Color.White, 100, 200, new Vector(0, 0, 0), -1);
particles.Add(first); // Add it to the system
if (File.Exists(Path.Combine(dataDirectory, "marble1.png")))
{
filePath = "";
}
// Make the second particle (an animated sprite)
AnimationCollection anim = new AnimationCollection();
SurfaceCollection surfaces = new SurfaceCollection();
surfaces.Add(Path.Combine(filePath, Path.Combine(dataDirectory, "marble1.png")), new Size(50, 50));
anim.Add(surfaces, 1);
AnimatedSprite marble = new AnimatedSprite(anim);
marble.Animate = true;
ParticleSprite second = new ParticleSprite(marble, 200, 200, new Vector(-7, -9, 0), 500);
second.Life = -1;
particles.Add(second); // Add it to the system
// Add some manipulators to the particle system.
ParticleGravity grav = new ParticleGravity(0.5f);
particles.Manipulators.Add(grav); // Gravity of 0.5f
particles.Manipulators.Add(new ParticleFriction(0.1f)); // Slow down particles
particles.Manipulators.Add(vort); // A particle vortex fixed on the mouse
particles.Manipulators.Add(new ParticleBoundary(SdlDotNet.Graphics.Video.Screen.Size)); // fix particles on screen.
Events.Run();
}
protected virtual Animation CreateAnimPosition(Animator animator)
{
double angle = ScrollableGame.Rnd.NextDouble() * Math.PI * 2;
var spreadX = (float)(ParticleSpread.X * (1 + ScrollableGame.Rnd.NextDouble()));
var spreadY = (float)(ParticleSpread.Y * (1 + ScrollableGame.Rnd.NextDouble()));
Vector2 posFinal = DrawableTex.Position + new Vector2((float)Math.Cos(angle) * ParticleDistance + (spreadX * 2), (float)Math.Sin(angle) * ParticleDistance + (spreadY * 2));
Animation animPos = new SimpleVector2Animation(DrawableTex, DrawableTex.Position, posFinal, DurationPos);
if (ParticleGravity.Length() > 0)
{
animPos.EventoAnimFrame += animPos_EventoAnimFrame;
}
return(animPos);
}
public void TestApplyTo()
{
var force = new ParticleGravity(new Vector2D(0, 9.8));
var particle = new Particle
{
Mass = 2
};
force.Add(particle);
force.Apply(1);
particle.Update(1);
Assert.AreEqual(new Vector2D(0, 9.8), particle.Acceleration, "根据公式计算物体所应受到的重力");
particle.InverseMass = 0;
force.Apply(1);
particle.Update(1);
Assert.AreEqual(new Vector2D(0, 0), particle.Acceleration, "质量无限大的物体设定为不受重力影响");
force.Remove(particle);
force.Apply(1);
particle.Update(1);
Assert.AreEqual(new Vector2D(0, 0), particle.Acceleration, "被从作用力发生器中移除的物体不受重力影响");
}
public void TestConstructor()
{
var force = new ParticleGravity(new Vector2D(0, 9.8));
Assert.IsNotNull(force);
}
private static extern void Internal_create0(ParticleGravity managedInstance);
private static extern void Internal_create(ParticleGravity managedInstance, ref ParticleGravityOptions desc);
public void initialize()
{
Random rnd = new Random();
int numParticles = particleArray.Length;
//lines
float startX = 400.0f;
float startY = 300.0f;
float distanceX = 20.0f;
float distanceY = 20.0f;
float radius = 8.0f;
int stride = 4;
int cableCounter = 0;
for (int i = 0; i < (numParticles - freeParticles); ++i)
{
int row = i / stride;
int column = i - (stride * row);
float x = startX + distanceX * ((float)(column));
float y = startY + distanceY * ((float)(row));
particleArray[i].setPosition(x, y, 0.0f);
particleArray[i].Mass = 1.0f;
particleArray[i].Radius = radius;
//particleArray[i].setVelocity(20.0f, 90.0f + (float)(i * 10 * rnd.Next() % 20), 0.0f);
particleArray[i].setVelocity(0.0f, 0.0f, 0.0f);
particleArray[i].setAcceleration(0.0f, 0.0f, 0.0f);
particleArray[i].Damping = 0.99f;
particleArray[i].clearAccumulator();
if (row != 0 && column != 0)
{
// --
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = distanceX;
particleRods[cableCounter].particles[0] = particleArray[i];
particleRods[cableCounter].particles[1] = particleArray[i - 1];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
// \
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = (float)Math.Sqrt(distanceX * distanceX + distanceY * distanceY);
particleRods[cableCounter].particles[0] = particleArray[i];
particleRods[cableCounter].particles[1] = particleArray[i - stride - 1];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
// /
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = (float)Math.Sqrt(distanceX * distanceX + distanceY * distanceY);
particleRods[cableCounter].particles[0] = particleArray[i - 1];
particleRods[cableCounter].particles[1] = particleArray[i - stride];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
}
else
{
if (row != 0 && column == 0)
{
// --
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = distanceX;
particleRods[cableCounter].particles[0] = particleArray[i];
particleRods[cableCounter].particles[1] = particleArray[i + 1];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
}
}
if (i >= stride)
{
if (row != 0)
{
// |
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = distanceY;
particleRods[cableCounter].particles[0] = particleArray[i - stride];
particleRods[cableCounter].particles[1] = particleArray[i];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
}
}
particleGravityArray[i] = new ParticleGravity(new Vec3(0.0f, 9.8f * 10.0f, 0.0f));
world1.getForceRegistry().add(particleArray[i], particleGravityArray[i]);
}
for (int i = particleCount; i < (particleCount + freeParticles); ++i)
{
int randX = Math.Abs(rnd.Next() % 36);
float x = 15.0f + (float)((i - freeParticles) * 40);
float y = 0.0f + (i - freeParticles);
particleArray[i].setPosition(x, y, 0.0f);
particleArray[i].Mass = 10.0f;
particleArray[i].Radius = 20.0f + 3.0f * (float)(rnd.Next() % 3);
particleArray[i].setVelocity(20.0f * (i % 2 == 0 ? -1.0f : 1.0f), 90.0f + (float)(i * 10 * rnd.Next() % 20), 0.0f);
particleArray[i].setAcceleration(0.0f, 0.0f, 0.0f);
particleArray[i].Damping = 0.99f;
particleArray[i].clearAccumulator();
particleGravityArray[i] = new ParticleGravity(new Vec3(0.0f, 9.8f * 40.0f, 0.0f));
world1.getForceRegistry().add(particleArray[i], particleGravityArray[i]);
}
loadTextures();
loadModels();
buildGeometry();
buildCamera();
}
