public void InvalidateFrame(int frame)
{
if (frame <= 0)
{
throw new Exception("Cannot invalidate frame 0 for camera");
}
if (frame < _frames.Count)
{
_frames.RemoveRange(
frame,
_frames.Count - frame);
if (_prevframe <= frame)
{
_prevframe = -1;
}
}
var cachepos = (frame / cacherate);
if (frame % cacherate != 0)
{
cachepos++;
}
if (cachepos < _framecache.Count)
{
_framecache.RemoveRange(cachepos, _framecache.Count - cachepos);
}
if (frame == 1)
{
Rider firstframe = _timeline.GetFrame(0);
var entry = new CameraEntry(firstframe.CalculateCenter());
_frames[0] = entry;
_framecache[0] = Vector2d.Zero;
}
}
private CameraEntry GetNext(CameraEntry prev, Rider rider)
{
// todo i really wish this cared about angles
// it shouldnt center if the next step is going towards the center
// of the previous
// something like that
var center = rider.CalculateCenter();
var prevoffs = prev.Position;
var offset = (center - prev.Position);
offset = Vector2d.Lerp(prevoffs, center, 0.15);
return(new CameraEntry(center, offset, rider.CalculateMomentum()));
}
public override void InvalidateFrame(int frame)
{
if (frame <= 0)
{
throw new Exception("Cannot invalidate frame 0 for camera");
}
if (frame < _frames.Count)
{
_frames.RemoveRange(
frame,
_frames.Count - frame);
if (_cacheframe <= frame)
{
_cacheframe = -1;
}
}
if (frame == 1)
{
Rider firstframe = _timeline.GetFrame(0);
var entry = new CameraEntry(firstframe.CalculateCenter());
_frames[0] = entry;
}
}
public CameraBoundingBox(Rider rider)
{
RiderPosition = rider.CalculateCenter();
}