/// <summary>
/// Computing collision between two particules
/// </summary>
/// <param name="other"></param>
internal void CollisionWithOtherParticule(Particule other)
{
// The particule A is denoted by this
// The particle B is denoted by other
// Difference on X axis & Y axis
double DiffX = Math.Abs(this.PositionX - other.PositionX);
double DiffY = Math.Abs(this.PositionY - other.PositionY);
// Distance Between the two...
double DistanceBetween = Math.Sqrt((DiffX * DiffX) + (DiffY * DiffY));
// Speed Difference
double DiffSpeedX = this.SpeedX - other.SpeedX;
double DiffSpeedY = this.SpeedY - other.SpeedY;
// Compute Angle between Particules
double cosAngle = DiffX / DistanceBetween;
double sinAngle = DiffY / DistanceBetween;
// Computing new Speed on X and Y for Particules after collision
double VAx = DiffSpeedX * sinAngle * sinAngle - DiffSpeedY * sinAngle * cosAngle + other.SpeedX;
double VAy = DiffSpeedY * cosAngle * cosAngle - DiffSpeedX * sinAngle * cosAngle + other.SpeedY;
double VBx = DiffSpeedX * cosAngle * cosAngle + DiffSpeedY * sinAngle * cosAngle + other.SpeedX;
double VBy = DiffSpeedY * sinAngle * sinAngle + DiffSpeedX * sinAngle * cosAngle + other.SpeedY;
// Speed Lost factor
double SpeedLostFac = Math.Sqrt(1 - Simulation_Constant.SPEED_LOSS_FACTOR);
this.SetSpeedX(VAx * SpeedLostFac);
this.SetSpeedY(VAy * SpeedLostFac);
other.SetSpeedX(VBx * SpeedLostFac);
other.SetSpeedY(VBy * SpeedLostFac);
}
/// <summary>
/// Get distance between two particule
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
internal double GetDistanceTo(Particule other)
{
// Difference on X axis & Y axis
double DiffX = Math.Abs(this.PositionX - other.PositionX);
double DiffY = Math.Abs(this.PositionY - other.PositionY);
// Distance Between the two...
double DistanceBetween = Math.Sqrt((DiffX * DiffX) + (DiffY * DiffY));
return(DistanceBetween);
}
/// <summary>
/// Will the particule touche each other yes or not
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
internal Boolean ParticulesInContact(Particule other)
{
return(GetDistanceTo(other) < (2 * Simulation_Constant.PARTICULE_RADIUS));
}
