public int Compare(object x, object y)
{
ConstraintData a = (ConstraintData)x;
ConstraintData b = (ConstraintData)y;
ParticleData pa1 = m_particles[a.ParticleAIndex];
ParticleData pa2 = m_particles[a.ParticleBIndex];
ParticleData pb1 = m_particles[b.ParticleAIndex];
ParticleData pb2 = m_particles[b.ParticleBIndex];
if (pa1.IsKinematic || pa2.IsKinematic)
{
return(-1);
}
if (pb1.IsKinematic || pb2.IsKinematic)
{
return(1);
}
if (Math.Min(pa1.Mass, pa2.Mass) < Math.Min(pb1.Mass, pb2.Mass))
{
return(-1);
}
return(1);
}
public ClothParticleSystem(ParticleClothSettings settings)
{
m_numParticles = settings.Particles.Length;
m_x = new float[m_numParticles];
m_y = new float[m_numParticles];
m_z = new float[m_numParticles];
m_px = new float[m_numParticles];
m_py = new float[m_numParticles];
m_pz = new float[m_numParticles];
m_fx = new float[m_numParticles];
m_fy = new float[m_numParticles];
m_fz = new float[m_numParticles];
m_mass = new float[m_numParticles];
m_invmass = new float[m_numParticles];
m_kinematic = new bool[m_numParticles];
settings.GetGravity(out m_gx, out m_gy, out m_gz);
m_constraints = settings.Constraints;
for (int i = 0; i < m_numParticles; ++i)
{
ParticleData p = settings.Particles[i];
m_x[i] = m_px[i] = p.x;
m_y[i] = m_py[i] = p.y;
m_z[i] = m_pz[i] = p.z;
m_mass[i] = p.Mass;
m_invmass[i] = 1f / p.Mass;
m_kinematic[i] = p.IsKinematic;
}
m_collisions = settings.CollisionObjects;
for (int i = 0; i < m_collisions.Length; ++i)
{
m_collisions[i].Init(this);
}
}