Exemple #1
0
        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));
        }
Exemple #2
0
        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);
        }