private void LoadRotation(Array input, Array output, AnimationClip clip, string relativePath)
{
var curveX = new AnimationCurve();
var curveY = new AnimationCurve();
var curveZ = new AnimationCurve();
var curveW = new AnimationCurve();
var times = (float[])input;
var rotations = (Vector4[])output;
CoordinateSystemConverter.Convert(rotations);
for (int i = 0; i < times.Length; i++)
{
var time = times[i];
var rotation = rotations[i];
curveX.AddKey(time, rotation.x);
curveY.AddKey(time, rotation.y);
curveZ.AddKey(time, rotation.z);
curveW.AddKey(time, rotation.w);
}
clip.SetCurve(relativePath, typeof(Transform), "localRotation.x", curveX);
clip.SetCurve(relativePath, typeof(Transform), "localRotation.y", curveY);
clip.SetCurve(relativePath, typeof(Transform), "localRotation.z", curveZ);
clip.SetCurve(relativePath, typeof(Transform), "localRotation.w", curveW);
}
public static Matrix4x4 ConvertMatrix4x4(float[] arr, bool convertCoordinateSystem = true)
{
var mat = new Matrix4x4();
for (int i = 0; i < arr.Length; i++)
mat[i] = arr[i];
if (convertCoordinateSystem)
CoordinateSystemConverter.Convert(ref mat);
return mat;
}
public static Quaternion ConvertQuaternion(float[] arr, bool convertCoordinateSystem = true)
{
var quat = new Quaternion();
for (int i = 0; i < arr.Length; i++)
quat[i] = arr[i];
if (convertCoordinateSystem)
CoordinateSystemConverter.Convert(ref quat);
return quat;
}
public static Vector4 ConvertVector4(float[] arr, bool convertCoordinateSystem = true)
{
var vec = new Vector4();
for (int i = 0; i < arr.Length; i++)
vec[i] = arr[i];
if (convertCoordinateSystem)
CoordinateSystemConverter.Convert(ref vec);
return vec;
}
public static Vector3 ConvertVector3(float[] arr, bool convertCoordinateSystem = true)
{
var vec = new Vector3();
for (int i = 0; i < arr.Length; i++)
{
vec[i] = arr[i];
}
if (convertCoordinateSystem)
{
CoordinateSystemConverter.Convert(ref vec);
}
return(vec);
}
private void LoadBones(glTFLoader.Schema.Skin skin, SkinnedMeshRenderer renderer, Mesh unityMesh)
{
var inverseBindMatrices = (Matrix4x4[])accessorLoader.LoadAccessor(skin.InverseBindMatrices.Value);
CoordinateSystemConverter.Convert(inverseBindMatrices);
var boneCount = skin.Joints.Length;
var bones = new Transform[boneCount];
var bindPoses = new Matrix4x4[boneCount];
for (int i = 0; i < boneCount; i++)
{
bones[i] = data.cache.nodes[skin.Joints[i]].transform;
bindPoses[i] = inverseBindMatrices[i];
}
renderer.rootBone = data.cache.nodes[skin.Skeleton.Value].transform;
renderer.bones = bones;
unityMesh.bindposes = bindPoses;
}
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;
}
}