added more tests

src/glTF2Sharp.Tests/Geometry/VertexBufferTests.cs

@@ -0,0 +1,109 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+
+using NUnit.Framework;
+
+namespace glTF2Sharp.Geometry
+{
+    [TestFixture]
+    public class VertexBufferTests
+    {
+        [Test]
+        public void CreateVertexBuffer()
+        {
+            var positions = new[]
+            {
+                new Vector3(0,1,2),
+                new Vector3(4,1,3),
+                new Vector3(2,3,5),
+            };
+
+            var normals = new[]
+            {
+                Vector3.UnitX,
+                Vector3.UnitX,
+                Vector3.UnitX,
+            };
+
+            var vb = new VertexBuffer(3, "POSITION", "NORMAL");
+
+            vb.SetVector3Column("POSITION", positions);
+            vb.SetVector3Column("NORMAL", normals);
+
+            var p2 = vb.GetVector3Column("POSITION");
+            var n2 = vb.GetVector3Column("NORMAL");
+
+            CollectionAssert.AreEqual(positions, p2);
+            CollectionAssert.AreEqual(normals, n2);
+        }
+
+        [Test]
+        public void CreateVertexBufferTest()
+        {
+            var vbdecl = new MeshBuffers.VertexDeclaration()
+                .WithVector3("POSITION")
+                .WithVector3("NORMAL");
+
+            Assert.AreEqual(6, vbdecl.Stride);
+
+            var vertex1 = vbdecl.CreateVertex();
+            var vertex2 = vbdecl.CreateVertex();
+            var vertex3 = vbdecl.CreateVertex();
+
+            var vbuffer = new MeshBuffers.TriangleBufferBuilder(vbdecl);
+
+            vertex1.Position = new Vector3(1, 2, 3);
+            vertex1.Normal = Vector3.UnitX;
+            vertex2.Position = new Vector3(4, 2, 3);
+            vertex2.Normal = Vector3.UnitY;
+            vertex3.Position = new Vector3(1, 5, 3);
+            vertex3.Normal = Vector3.UnitZ;
+
+            vbuffer.AddTriangle(vertex1, vertex2, vertex3);
+            vbuffer.AddTriangle(vertex1, vertex2, vertex3);
+
+            var data = EncodeVertexBuffer(vbuffer.Vertices);
+        }
+
+        static VertexBuffer EncodeVertexBuffer(MeshBuffers.VertexBuffer srcBuffer)
+        {
+            var attributes = srcBuffer.Declaration.Attributes.ToArray();
+
+            var dstBuffer = new glTF2Sharp.Geometry.VertexBuffer(srcBuffer.Count, attributes);
+
+            foreach (var attr in attributes)
+            {
+                var srcDim = srcBuffer.Declaration.GetDimensions(attr);
+
+                if (srcDim == 1)
+                {
+                    var srcColumn = srcBuffer.GetScalarColumn(attr);
+                    dstBuffer.SetScalarColumn(attr, srcColumn);
+                }
+
+                if (srcDim == 2)
+                {
+                    var srcColumn = srcBuffer.GetVector2Column(attr);
+                    dstBuffer.SetVector2Column(attr, srcColumn);
+                }
+
+                if (srcDim == 3)
+                {
+                    var srcColumn = srcBuffer.GetVector3Column(attr);
+                    dstBuffer.SetVector3Column(attr, srcColumn);
+                }
+
+                if (srcDim == 4)
+                {
+                    var srcColumn = srcBuffer.GetVector4Column(attr);
+                    dstBuffer.SetVector4Column(attr, srcColumn);
+                }
+            }
+
+            return dstBuffer;
+        }
+    }
+}

src/glTF2Sharp.Tests/MeshBuffers/VertexBuffer.cs

@@ -1,42 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Numerics;
-using System.Text;
-
-using NUnit.Framework;
-
-namespace MeshBuffers
-{
-    [TestFixture]
-    public class MeshBuffersTests
-    {
-        [Test]
-        public void CreateVertexBufferTest()
-        {
-            var vbdecl = new VertexDeclaration()
-                .WithVector3("POSITION")
-                .WithVector3("NORMAL");
-
-            Assert.AreEqual(6, vbdecl.Stride);            
-
-            var vertex1 = vbdecl.CreateVertex();
-            var vertex2 = vbdecl.CreateVertex();
-            var vertex3 = vbdecl.CreateVertex();
-
-            var vbuffer = new TriangleBufferBuilder(vbdecl);
-
-            vertex1.Position = new Vector3(1, 2, 3);
-            vertex1.Normal = Vector3.UnitX;
-            vertex2.Position = new Vector3(4, 2, 3);
-            vertex2.Normal = Vector3.UnitY;
-            vertex3.Position = new Vector3(1, 5, 3);
-            vertex3.Normal = Vector3.UnitZ;
-
-            vbuffer.AddTriangle(vertex1, vertex2, vertex3);
-            vbuffer.AddTriangle(vertex1, vertex2, vertex3);            
-
-        }
-
-    }
-}