private void DoCameraSlew()
{
if (_kbdActions.Any())
{
_cameraSlewProgress = 1.0f;
}
if (_cameraSlewProgress < 1.0f)
{
_cameraActionMovement = Vector3.Zero;
var newprogress = _cameraSlewProgress + _ticks / (CameraSlewTime * 1000);
var totvector = new Vector3((float)(CenterSystem.x - _cameraPos.X), (float)(-CenterSystem.y - _cameraPos.Y), (float)(CenterSystem.z - _cameraPos.Z));
if (newprogress >= 1.0f)
{
_cameraPos = new Vector3((float)CenterSystem.x, (float)(-CenterSystem.y), (float)CenterSystem.z);
}
else
{
var slewstart = Math.Sin((_cameraSlewProgress - 0.5) * Math.PI);
var slewend = Math.Sin((newprogress - 0.5) * Math.PI);
var slewfact = (slewend - slewstart) / (1.0 - slewstart);
_cameraPos += Vector3.Multiply(totvector, (float)slewfact);
}
_cameraSlewProgress = (float)newprogress;
}
}
