public void AccessorTest()
{
byte[] bytes = default;
using (var ms = new MemoryStream())
using (var w = new BinaryWriter(ms))
{
w.Write(1.0f);
w.Write(2.0f);
w.Write(3.0f);
w.Write(4.0f);
w.Write(5.0f);
w.Write(6.0f);
w.Write(7.0f);
w.Write(8.0f);
bytes = ms.ToArray();
}
var storage = new SimpleStorage(new ArraySegment <byte>(bytes));
var gltf = new glTF
{
buffers = new List <glTFBuffer>
{
new glTFBuffer
{
}
},
bufferViews = new List <glTFBufferView>
{
new glTFBufferView {
buffer = 0,
byteLength = 32,
byteOffset = 0,
}
},
accessors = new List <glTFAccessor>
{
new glTFAccessor {
bufferView = 0,
componentType = glComponentType.FLOAT,
count = 2,
byteOffset = 0,
type = "VEC4",
}
}
};
gltf.buffers[0].OpenStorage(storage);
var(getter, len) = WeightsAccessor.GetAccessor(gltf, 0);
Assert.AreEqual((1.0f, 2.0f, 3.0f, 4.0f), getter(0));
Assert.AreEqual((5.0f, 6.0f, 7.0f, 8.0f), getter(1));
}
public static WeightsAccessor.Getter GetWeights(this glTFPrimitives primitives, GltfData data, int positionsLength)
{
// skin
if (!HasSkin(primitives))
{
return(null);
}
var(getter, length) = WeightsAccessor.GetAccessor(data, primitives.attributes.WEIGHTS_0);
if (length != positionsLength)
{
throw new Exception("different length");
}
return(getter);
}