/// <summary>
/// Rotates this instance by x degrees.
/// </summary>
/// <param name="degrees">Amount to rotate relative to current rotation.</param>
/// <returns>Number of rotations performed.</returns>
public int Rotate(double degrees)
{
int output = 0;
float use = Convert.ToSingle(StaticMethods.DegToRad(degrees));
for (int t = 0; t < _TimeCollection.Count; t++)
{
for (int b = 0; b < _TimeCollection[t].Bones.Count; b++)
{
if (_NodeCollection[_TimeCollection[t].Bones[b].Node].Parent == -1)
{
// Z Rotation
_TimeCollection[t].Bones[b].Rotation.Z += use;
// Get start quadrant.
StaticMethods.Quadrant quad = StaticMethods.GetQuadrant(_TimeCollection[t].Bones[b].Position.X, _TimeCollection[t].Bones[b].Position.Y);
// X, Y Position
double hypotenuse = Math.Sqrt(Math.Pow(_TimeCollection[t].Bones[b].Position.X, 2) + Math.Pow(_TimeCollection[t].Bones[b].Position.Y, 2));
double rad = Math.Atan(_TimeCollection[t].Bones[b].Position.Y / _TimeCollection[t].Bones[b].Position.X);
rad += use;
_TimeCollection[t].Bones[b].Position.X = Convert.ToSingle(Math.Cos(rad) * hypotenuse);
_TimeCollection[t].Bones[b].Position.Y = Convert.ToSingle(Math.Sin(rad) * hypotenuse);
// Correct for the -x quadrants
if ((quad == StaticMethods.Quadrant.II) || (quad == StaticMethods.Quadrant.III))
{
_TimeCollection[t].Bones[b].Position.X *= -1;
_TimeCollection[t].Bones[b].Position.Y *= -1;
}
output++;
}
}
}
return(output);
}