public static void ApplyGravity(Particle Particle)
{
//http://upload.wikimedia.org/math/2/5/8/2584a12584dcea216e766c4bbcb514eb.png
//My idiocy makes this shit infinite.
float DragCoefficient = Convert.ToSingle((2) / (Particle.Element.Density * Math.Pow(Particle.Velocity.Y, 2) * 1));
if (Particle.Velocity.Y < 0)
Particle.Velocity.Y *= -1;
else if (Particle.Velocity.Y == 0)
Particle.Velocity.Y = 0.001f;
Particle.Velocity.Y *= gravConstant;
Particle.Velocity.X *= (1 - Particle.Element.Friction);
}
/// <summary>
/// Gets neighbors of particle.
///
/// Indices:
///
/// 0 1 2
/// 3 4
/// 5 6 7
/// </summary>
/// <returns>An array of the neighbors.</returns>
public Particle[] getNeighbors()
{
int X = Convert.ToInt32(this.Position.X);
int Y = Convert.ToInt32(this.Position.Y);
Particle[] neighbors = new Particle[8];
neighbors[0] = this.core.particleMap.GetParticleAt(X - 1, Y + 1);
neighbors[1] = this.core.particleMap.GetParticleAt(X, Y + 1);
neighbors[2] = this.core.particleMap.GetParticleAt(X + 1, Y + 1);
neighbors[3] = this.core.particleMap.GetParticleAt(X - 1, Y);
neighbors[4] = this.core.particleMap.GetParticleAt(X + 1, Y);
neighbors[5] = this.core.particleMap.GetParticleAt(X - 1, Y - 1);
neighbors[6] = this.core.particleMap.GetParticleAt(X, Y - 1);
neighbors[7] = this.core.particleMap.GetParticleAt(X + 1, Y - 1);
return neighbors;
}
public void RemoveParticle(Particle part)
{
}
public void AddParticle(Particle part)
{
Particles[Particles.Length - 1] = part;
}
