private void LoadChannel(glTFLoader.Schema.AnimationChannel channel, glTFLoader.Schema.AnimationSampler[] samplers, AnimationClip clip)
{
var target = channel.Target;
var node = data.cache.nodes[target.Node.Value];
var relativePath = GetNodeRelativePath(node.transform, root.transform);
var sampler = samplers[channel.Sampler];
var input = accessorLoader.LoadAccessor(sampler.Input);
var output = accessorLoader.LoadAccessor(sampler.Output);
switch (target.Path)
{
case glTFLoader.Schema.AnimationChannelTarget.PathEnum.translation:
LoadTranslation(input, output, clip, relativePath);
break;
case glTFLoader.Schema.AnimationChannelTarget.PathEnum.rotation:
LoadRotation(input, output, clip, relativePath);
break;
case glTFLoader.Schema.AnimationChannelTarget.PathEnum.scale:
LoadScale(input, output, clip, relativePath);
break;
case glTFLoader.Schema.AnimationChannelTarget.PathEnum.weights:
LoadWeights(input, output, clip, relativePath);
break;
default:
break;
}
}
private void LoadMeshAttribute(GltfMesh mesh, string attributeName, int accessorIndex)
{
var arr = accessorLoader.LoadAccessor(accessorIndex);
switch (attributeName)
{
case "POSITION":
{
var vertices = (Vector3[])arr;
CoordinateSystemConverter.Convert(vertices);
mesh.vertices = vertices;
break;
}
case "NORMAL":
{
var normals = (Vector3[])arr;
CoordinateSystemConverter.Convert(normals);
mesh.normals = normals;
break;
}
case "TANGENT":
{
var tangents = (Vector4[])arr;
CoordinateSystemConverter.Convert(tangents);
mesh.tangents = tangents;
break;
}
case "TEXCOORD_0":
{
var texCoords = (Vector2[])arr;
CoordinateSystemConverter.FlipTexCoords(texCoords);
mesh.texCoords = texCoords;
break;
}
case "COLOR_0":
{
var colors = (Vector4[])arr;
mesh.colors = TypeConverter.ConvertColors(colors);
break;
}
case "INDEX":
{
var indices = new int[arr.Length];
for (int i = 0; i < arr.Length; i++)
{
indices[i] = Convert.ToInt32(arr.GetValue(i));
}
CoordinateSystemConverter.FlipIndices(indices);
mesh.indices = indices;
break;
}
case "JOINTS_0":
mesh.joints = (Vector4[])arr;
break;
case "WEIGHTS_0":
mesh.weights = (Vector4[])arr;
break;
default:
Debug.LogWarning($"Invalid accessor name ({attributeName})");
break;
}
}