public object ExportGLTFExtension <T1, T2>(T1 babylonObject, ref T2 gltfObject, ref GLTF gltf, GLTFExporter exporter, ExtensionInfo info)
{
var babylonCamera = babylonObject as BabylonCamera;
var gltfAnimation = gltfObject as GLTFAnimation;
AnimationExtensionInfo animationExtensionInfo = info as AnimationExtensionInfo;
if (babylonCamera == null)
{
return(null);
}
Guid guid = Guid.Empty;
Guid.TryParse(babylonCamera.id, out guid);
IINode camNode = Tools.GetINodeByGuid(guid);
var maxCamera = CameraUtilities.GetGenCameraFromNode(camNode, exporter.logger);
if (maxCamera == null)
{
exporter.logger.RaiseError($"Impossible to export {FlightSimAsoboPropertyAnimationExtension.SerializedName} for {camNode.Name}, camera node must be a TargetCamera type");
return(null);
}
if (babylonCamera != null && gltfAnimation != null && FlightSimCameraUtilities.class_ID.Equals(new MaterialUtilities.ClassIDWrapper(maxCamera.ClassID)))
{
GLTFNode gltfNode = null;
GLTFCamera gltfCamera = null;
if (!exporter.nodeToGltfNodeMap.TryGetValue(babylonCamera, out gltfNode))
{
return(gltfObject);
}
if (gltfNode != null && gltfNode.camera >= 0)
{
gltfCamera = gltf.CamerasList[gltfNode.camera.GetValueOrDefault()];
}
int samplerIndex = AddParameterSamplerAnimation(babylonCamera, gltfAnimation, exporter, gltf, animationExtensionInfo.startFrame, animationExtensionInfo.endFrame);
if (samplerIndex > -1)
{
GLTFExtensionAsoboPropertyAnimation gltfExtension = new GLTFExtensionAsoboPropertyAnimation();
List <GLTFAnimationPropertyChannel> animationPropertyChannels = new List <GLTFAnimationPropertyChannel>();
//TODO: for each animated property in the camera
//TODO: this should be generated based on the property itself
GLTFAnimationPropertyChannel propertyChannel = new GLTFAnimationPropertyChannel();
propertyChannel.sampler = samplerIndex;
propertyChannel.target = $"cameras/{gltfCamera.index}/perspective/yfov";
animationPropertyChannels.Add(propertyChannel);
gltfExtension.channels = animationPropertyChannels.ToArray();
return(gltfExtension);
}
}
return(null);
}