private void ChaikinSplit(Rail OldPath, ref Rail NewPath, int Index)//lol
{
KeyFrame NewNode = NewPath.frames[Index].DeepCopy();
int NewNodeIndex = NewPath.frames.Length;
NewPath.InsertFrame(NewNode, NewPath.frames.Length);//Add node at the end to not change the indicies
KeyFrame MiddleKeyFrame = OldPath.frames[Index];
KeyFrame FirstKeyframe = OldPath.frames[MiddleKeyFrame.connections[0]];
KeyFrame LastKeyFrame = OldPath.frames[MiddleKeyFrame.connections[1]];
NewPath.frames[Index].x = (short)(0.25 * FirstKeyframe.x + 0.75 * MiddleKeyFrame.x);
NewPath.frames[Index].y = (short)(0.25 * FirstKeyframe.y + 0.75 * MiddleKeyFrame.y);
NewPath.frames[Index].z = (short)(0.25 * FirstKeyframe.z + 0.75 * MiddleKeyFrame.z);
NewPath.frames[NewNodeIndex].x = (short)(0.25 * LastKeyFrame.x + 0.75 * MiddleKeyFrame.x);
NewPath.frames[NewNodeIndex].y = (short)(0.25 * LastKeyFrame.y + 0.75 * MiddleKeyFrame.y);
NewPath.frames[NewNodeIndex].z = (short)(0.25 * LastKeyFrame.z + 0.75 * MiddleKeyFrame.z);
NewPath.frames[Index].connections[1] = (short)NewNodeIndex;
NewPath.frames[NewNodeIndex].connections[0] = (short)Index;
int ConnectToMiddleIndexOfIndex = -1;
for (int i = 0; i < LastKeyFrame.connections.Length; i++)
{
if (LastKeyFrame.connections[i] == (short)Index)
{
ConnectToMiddleIndexOfIndex = i;
}
}
if (ConnectToMiddleIndexOfIndex != -1)
{
NewPath.frames[MiddleKeyFrame.connections[1]].connections[ConnectToMiddleIndexOfIndex] = (short)NewNodeIndex;
}
}