public static void Load()
{
string settingsFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "IgniteVR", "Spark");
string filename = Path.Combine(settingsFolder, "camerawrite_settings.json");
string animationsFolder = Path.Combine(settingsFolder, "Animations");
try
{
// general settings file
if (File.Exists(filename))
{
string json = File.ReadAllText(filename);
instance = JsonConvert.DeserializeObject <CameraWriteSettings>(json);
}
else
{
Console.WriteLine($"Settings file doesn't exist, creating.");
instance = new CameraWriteSettings();
}
}
catch (Exception e)
{
Console.WriteLine($"Error reading settings file\n{e}");
instance = new CameraWriteSettings();
}
try
{
// animation files
if (!Directory.Exists(animationsFolder))
{
Console.WriteLine("Animations folder doesn't exist, creating.");
Directory.CreateDirectory(animationsFolder);
}
animations = new Dictionary <string, AnimationKeyframes>();
string[] files = Directory.GetFiles(animationsFolder);
foreach (string file in files)
{
string json = File.ReadAllText(file);
AnimationKeyframes anim = JsonConvert.DeserializeObject <AnimationKeyframes>(json);
if (anim != null)
{
animations[Path.GetFileNameWithoutExtension(file)] = anim;
}
}
}
catch (Exception e)
{
Console.WriteLine($"Error reading animation files\n{e}");
}
}
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]);
