static Vector3B()
{
Zero = new Vector3B();
Up = new Vector3B(0, 1, 0);
Down = new Vector3B(0, -1, 0);
Right = new Vector3B(1, 0, 0);
Left = new Vector3B(-1, 0, 0);
Forward = new Vector3B(0, 0, -1);
Backward = new Vector3B(0, 0, 1);
}
static unsafe BoxCornerEnumerator()
{
m_indices = (Vector3B *)Marshal.AllocHGlobal(0x18);
m_indices[0] = new Vector3B(0, 4, 5);
m_indices[1] = new Vector3B(3, 4, 5);
m_indices[2] = new Vector3B(3, 1, 5);
m_indices[3] = new Vector3B(0, 1, 5);
m_indices[4] = new Vector3B(0, 4, 2);
m_indices[5] = new Vector3B(3, 4, 2);
m_indices[6] = new Vector3B(3, 1, 2);
m_indices[7] = new Vector3B(0, 1, 2);
}
static BoxCornerEnumerator()
{
m_indices = (Vector3B *)(void *)Marshal.AllocHGlobal(sizeof(byte) * 3 * 8);
m_indices[0] = new Vector3B(0, 4, 5);
m_indices[1] = new Vector3B(3, 4, 5);
m_indices[2] = new Vector3B(3, 1, 5);
m_indices[3] = new Vector3B(0, 1, 5);
m_indices[4] = new Vector3B(0, 4, 2);
m_indices[5] = new Vector3B(3, 4, 2);
m_indices[6] = new Vector3B(3, 1, 2);
m_indices[7] = new Vector3B(0, 1, 2);
}
public bool ShouldSend(Vector3B newThrust)
{
if (SleepFrames > 4 && LastSendState != newThrust)
{
SleepFrames = 0;
LastSendState = newThrust;
return true;
}
else
{
SleepFrames++;
return false;
}
}
/**
* Given a position in 3D space find the direction of the face of cubemap it falls on.
*/
public static void GetCubeFaceDirection(ref Vector3 position, out Vector3B face)
{
Vector3 abs = Vector3.Abs(position);
if (abs.X > abs.Y)
if (abs.X > abs.Z)
if (position.X > 0.0f)
face = Vector3B.Right;
else
face = Vector3B.Left;
else
if (position.Z > 0.0f)
face = Vector3B.Backward;
else
face = Vector3B.Forward;
else
if (abs.Y > abs.Z)
if (position.Y > 0.0f)
face = Vector3B.Up;
else
face = Vector3B.Down;
else
if (position.Z > 0.0f)
face = Vector3B.Backward;
else
face = Vector3B.Forward;
}