public static void UpdateAsCells(Particle[] particles, float defLen, float stiffness)
{
int particlesLength = (int)Math.Sqrt(particles.Length);
int k = 0;
for (int i = 0; i < particlesLength; ++i)
{
for (int j = 0; j < particlesLength - 1; ++j)
{
ParticlesLink.Update(particles[k], particles[k + 1], defLen, stiffness);
k = k + 1;
}
++k;
}
for (int j = 0; j < particlesLength; ++j)
{
k = j;
for (int i = 0; i < particlesLength - 1; ++i)
{
ParticlesLink.Update(particles[k], particles[k + particlesLength], defLen, stiffness);
k += particlesLength;
}
}
}
public void Update(float dt)
{
for (int i = 0; i < particlesCount; ++i)
{
this.particles[i].Move(dt);
}
#region Temp code.
float mi = 0.5f * particlesCount_i * stepBetweenParticles;
float mj = 0.5f * particlesCount_j * stepBetweenParticles;
int s = 20;
for (int i = 0; i < particlesCount_i; i += s)
{
int j, k;
j = 0;
k = i * particlesCount_i + j;
this.particles[k] = new Particle();
this.particles[k].position.x = i * stepBetweenParticles - mi;
this.particles[k].position.y = j * stepBetweenParticles - mj;
this.particles[k].position.z = 0;
j = particlesCount_j - 1;
k = i * particlesCount_i + j;
this.particles[k] = new Particle();
this.particles[k].position.x = i * stepBetweenParticles - mi;
this.particles[k].position.y = j * stepBetweenParticles - mj;
this.particles[k].position.z = 0;
}
for (int j = 0; j < particlesCount_j; j += s)
{
int i, k;
i = 0;
k = i * particlesCount_i + j;
this.particles[k] = new Particle();
this.particles[k].position.x = i * stepBetweenParticles - mi;
this.particles[k].position.y = j * stepBetweenParticles - mj;
this.particles[k].position.z = 0;
i = particlesCount_i - 1;
k = i * particlesCount_i + j;
this.particles[k] = new Particle();
this.particles[k].position.x = i * stepBetweenParticles - mi;
this.particles[k].position.y = j * stepBetweenParticles - mj;
this.particles[k].position.z = 0;
}
#endregion Temp code.
ParticlesLink.UpdateAsCells(this.particles, stepBetweenParticles, 0.5f);
//ParticlesCollision.Update(this.particles);
}
