public static AffineTransform ToXna(this SharpGLTF.Transforms.AffineTransform xform)
{
if (xform.IsMatrix)
{
xform = xform.GetDecomposed();
}
return(new AffineTransform(xform.Scale, xform.Rotation, xform.Translation));
}
public TRANSFORM GetLocalTransform(int index)
{
// var m = GetAccessor("TRANSFORM")?.AsMatrix4x4Array()?[index];
var s = GetAccessor("SCALE")?.AsVector3Array()?[index];
var r = GetAccessor("ROTATION")?.AsQuaternionArray()?[index];
var t = GetAccessor("TRANSLATION")?.AsVector3Array()?[index];
return(TRANSFORM.CreateFromAny(null, s, r, t));
}
internal InstancedDrawableTemplate(Schema2.Node node, Func <Schema2.Node, int> indexFunc)
: base(node, indexFunc)
{
var instancing = node.GetGpuInstancing();
_Instances = new TRANSFORM[instancing.Count];
for (int i = 0; i < _Instances.Length; ++i)
{
_Instances[i] = instancing.GetLocalTransform(i);
}
}
public TRANSFORM GetLocalTransform(ReadOnlySpan <int> track, ReadOnlySpan <float> time, ReadOnlySpan <float> weight)
{
if (!_UseAnimatedTransforms)
{
return(_LocalTransform);
}
Span <TRANSFORM> xforms = stackalloc TRANSFORM[track.Length];
for (int i = 0; i < xforms.Length; ++i)
{
xforms[i] = GetLocalTransform(track[i], time[i]);
}
return(TRANSFORM.Blend(xforms, weight));
}
public TransformChainBuilder(NodeBuilder parent, TRANSFORM child)
{
_ParentTransform = parent;
_ChildTransform = child;
}
public TransformChainBuilder(TRANSFORM transform)
{
_ParentTransform = null;
_ChildTransform = transform;
}
internal FixedTransformer(Object content, NodeBuilder parentNode, TRANSFORM childTransform)
: base(content)
{
_ParentNode = parentNode;
_ChildTransform = childTransform;
}
internal FixedTransformer(Object content, TRANSFORM transform)
: base(content)
{
_ChildTransform = transform;
}
