public void initialize( string name, Vector3 position, Vector3 direction, Color color, float scaleModifier = 1.0f, int nParticlesModifier = 0, float lifetimeModifier = 0.0f)
{
particles.Clear();
data = ParticleManager.Instance.getBaseParticleSystemData(name);
this.position = position;
this.direction = direction;
// modify the base data with the parameters
if (nParticlesModifier != 0)
{
data.nParticles = nParticlesModifier;
}
if (lifetimeModifier != 0.0f)
{
data.systemLife = lifetimeModifier;
data.particlesLife = lifetimeModifier;
}
data.size *= scaleModifier;
data.sizeIni *= scaleModifier;
data.sizeEnd *= scaleModifier;
data.positionVarianceMin *= scaleModifier;
data.positionVarianceMax *= scaleModifier;
data.directionVarianceMin *= scaleModifier;
data.directionVarianceMax *= scaleModifier;
data.accelerationVarianceMin *= scaleModifier;
data.accelerationVarianceMax *= scaleModifier;
data.color = new Color(data.color.ToVector4() * color.ToVector4());
// get an aproximate number of the simultaneous particles that will have the system
float spawnRatio = data.particlesLife / (float)data.nParticles;
particles.Capacity = data.nParticles;
switch(data.type)
{
case ParticleSystemData.tParticleSystem.Burst:
for(int i=0; i<data.nParticles; i++)
{
Particle p = new Particle();
p.isDead = true;
initializeParticle(p);
particles.Add(p);
}
break;
case ParticleSystemData.tParticleSystem.Fountain:
for(int i=0; i<data.nParticles; i++)
{
Particle p = new Particle();
// we want particles prepared to be spawned with the spawnRatio ratio, so we set'em all alive but invisible
p.life = 1.3f + spawnRatio * i;
p.isDead = false;
p.color *= 0;
particles.Add(p);
}
break;
default:
break;
}
}
public void loadXML()
{
baseParticleSystems.Clear();
XDocument xml = XDocument.Load(SB.content.RootDirectory + "/xml/particles/particleSystems2.xml");
IEnumerable<XElement> baseParticleSystemList = xml.Descendants("particleSystem");
foreach (XElement bps in baseParticleSystemList)
{
ParticleSystemData data = new ParticleSystemData();
data.name = bps.Attribute("name").Value;
string type = bps.Attribute("type").Value;
data.type = type == "burst" ? data.type = ParticleSystemData.tParticleSystem.Burst : data.type = ParticleSystemData.tParticleSystem.Fountain;
string render = bps.Attribute("render").Value;
bool additive = render == "additive";
string path = bps.Attribute("texturePath").Value;
data.textureName = path;
data.texture = TextureManager.Instance.getTexture("particles/" + path);
data.nParticles = bps.Attribute("nParticles").Value.toInt();
data.systemLife = bps.Attribute("systemLife").Value.toFloat();
data.position = bps.Attribute("position").Value.toVector3();
data.positionVarianceMin = bps.Attribute("positionVarianceMin").Value.toVector3();
data.positionVarianceMax = bps.Attribute("positionVarianceMax").Value.toVector3();
data.direction = bps.Attribute("direction").Value.toVector3();
data.directionVarianceMin = bps.Attribute("directionVarianceMin").Value.toVector3();
data.directionVarianceMax = bps.Attribute("directionVarianceMax").Value.toVector3();
data.acceleration = bps.Attribute("acceleration").Value.toVector3();
data.accelerationVarianceMin = bps.Attribute("accelerationVarianceMin").Value.toVector3();
data.accelerationVarianceMax = bps.Attribute("accelerationVarianceMax").Value.toVector3();
data.color = bps.Attribute("color").Value.toColor();
data.colorVarianceMin = bps.Attribute("colorVarianceMin").Value.toColor();
data.colorVarianceMax = bps.Attribute("colorVarianceMax").Value.toColor();
data.particlesRotation = bps.Attribute("particlesRotation").Value.toFloat();
data.particlesRotationVariance = bps.Attribute("particlesRotationVariance").Value.toFloat();
data.particlesRotationSpeed = bps.Attribute("particlesRotationSpeed").Value.toFloat();
data.particlesRotationSpeedVariance = bps.Attribute("particlesRotationSpeedVariance").Value.toFloat();
data.size = bps.Attribute("size").Value.toFloat();
data.sizeIni = bps.Attribute("sizeIni").Value.toFloat();
data.sizeEnd = bps.Attribute("sizeEnd").Value.toFloat();
data.fadeIn = bps.Attribute("fadeIn").Value.toFloat();
data.fadeOut = bps.Attribute("fadeOut").Value.toFloat();
data.particlesLife = bps.Attribute("particlesLife").Value.toFloat();
// we are using premultiplied alpha so in order to render those particles in additive mode we need to set alpha to 0
if (additive)
{
data.color.A = 0;
data.colorVarianceMin.A = 0;
data.colorVarianceMax.A = 0;
}
//SB::ownAssert(info.fadeIn + info.fadeOut <= info.particlesLife);
//SB::ownAssert(info.positionVarianceMin.x <= info.positionVarianceMax.x);
//SB::ownAssert(info.positionVarianceMin.y <= info.positionVarianceMax.y);
//SB::ownAssert(info.positionVarianceMin.z <= info.positionVarianceMax.z);
//SB::ownAssert(info.directionVarianceMin.x <= info.directionVarianceMax.x);
//SB::ownAssert(info.directionVarianceMin.y <= info.directionVarianceMax.y);
//SB::ownAssert(info.directionVarianceMin.z <= info.directionVarianceMax.z);
//SB::ownAssert(info.accelerationVarianceMin.x <= info.accelerationVarianceMax.x);
//SB::ownAssert(info.accelerationVarianceMin.y <= info.accelerationVarianceMax.y);
//SB::ownAssert(info.accelerationVarianceMin.z <= info.accelerationVarianceMax.z);
baseParticleSystems.Add(data.name, data);
}
}
public void setBaseParticleSystemData(string name, ParticleSystemData data)
{
baseParticleSystems[name] = data;
}
