private void WallCollision(Particle pi)
{
float x = 0;
float y = 0;
if (pi.Position.X > (_worldWidth / 2 - Wpadding))
x -= (pi.Position.X - (_worldWidth / 2 - Wpadding)) / CollisionForce;
else if (pi.Position.X < (-_worldWidth / 2 + Wpadding))
x += ((-_worldWidth / 2 + Wpadding) - pi.Position.X) / CollisionForce;
if (pi.Position.Y > (_worldHeight - Hpadding))
y -= (pi.Position.Y - (_worldHeight - Hpadding)) / CollisionForce;
else if (pi.Position.Y < Hpadding)
y += (Hpadding - pi.Position.Y) / CollisionForce;
pi.Velocity.X += x;
pi.Velocity.Y += y;
}
public Spring2(Particle pa, Particle pb, float restLength)
{
PA = pa;
PB = pb;
RestLength = restLength;
}
public bool Contains(Particle p)
{
return (PA.GetHashCode() == p.GetHashCode() || PB.GetHashCode() == p.GetHashCode());
}
private void ApplyGravity(Particle particle)
{
particle.Velocity.Set(particle.Velocity.X + Gravity.X, particle.Velocity.Y + Gravity.Y);
}