public BezierSpline(AnimationKeyframes animation)
{
List <CameraTransform> animKeyFrames = animation.keyframes;
List <CameraTransform> currentCurve = new List <CameraTransform>();
curves = new List <BezierCurve>();
// add extra handles
if (animKeyFrames.Count > 2)
{
// split each node in a set of triplets
currentCurve.Add(animKeyFrames[0]);
// loop through all keyframes except first and last
for (int i = 1; i < animKeyFrames.Count - 1; i++)
{
Vector3 dir = animKeyFrames[i + 1].Position - animKeyFrames[i - 1].Position;
Quaternion rotDiff = animKeyFrames[i + 1].Rotation - animKeyFrames[i - 1].Rotation;
float fovDiff = animKeyFrames[i + 1].fovy ?? 1 - animKeyFrames[i - 1].fovy ?? 1;
float divisionFactor = 6;
float dist1 = Vector3.Distance(animKeyFrames[i + 1].Position, animKeyFrames[i].Position);
float dist2 = Vector3.Distance(animKeyFrames[i - 1].Position, animKeyFrames[i].Position);
if (Math.Min(dist1, dist2) / Math.Max(dist1, dist2) < .5f)
{
divisionFactor = 8;
}
CameraTransform handle1 = new CameraTransform(
animKeyFrames[i].Position - dir / divisionFactor,
// Quaternion.Lerp(keyframes[i - 1].Rotation, keyframes[i].Rotation, .5f)
animKeyFrames[i].Rotation - rotDiff * .25f,
animKeyFrames[i].fovy ?? 1 - fovDiff / divisionFactor
);
CameraTransform handle2 = new CameraTransform(
animKeyFrames[i].Position + dir / divisionFactor,
// Quaternion.Lerp(keyframes[i].Rotation, keyframes[i + 1].Rotation, .5f)
animKeyFrames[i].Rotation + rotDiff * .25f,
animKeyFrames[i].fovy ?? 1 + fovDiff / divisionFactor
);
currentCurve.Add(handle1);
currentCurve.Add(animKeyFrames[i]);
curves.Add(new BezierCurve(currentCurve));
currentCurve.Clear();
currentCurve.Add(animKeyFrames[i]);
currentCurve.Add(handle2);
}
// add the last keyframe
currentCurve.Add(animKeyFrames[^ 1]);
public static void SetCameraTransform(CameraTransform data)
{
Program.PostRequestCallback(BaseUrl + "camera_transform", null, JsonConvert.SerializeObject(data), null);
}