private CameraHelper(Camera camera, Geometry geometry, LineBasicMaterial material)
: base(geometry, material, LineType.Pieces)
{
this.camera = camera;
this.matrixWorld = camera.matrixWorld;
this.matrixAutoUpdate = false;
}
public static BoxHelper Create(Renderer renderer, Object3D o)
{
var mat = new LineBasicMaterial(renderer)
{
Diffuse = new Color(0xffff00)
};
var geo = new Geometry();
var boxHelper = new BoxHelper(geo, mat);
boxHelper.o = o;
boxHelper.Update();
return boxHelper;
}
public Sprite(Renderer renderer, SpriteMaterial material)
{
if(geo == null)
{
geo = new Geometry();
geo.vertices.Add(new Vector3(-0.5f, -0.5f, 0));
geo.vertices.Add(new Vector3(0.5f, -0.5f, 0));
geo.vertices.Add(new Vector3(0.5f, 0.5f, 0));
}
geometry = geo;
Material = material ?? new SpriteMaterial(renderer);
}
public static ArrowHelper Create(Renderer renderer, Vector3 dir, Vector3 origin, float length = 1, Color? color = null, float? headLength = null, float? headWidth = null)
{
var c = color.HasValue ? color.Value : new Color(0xffff00);
if (lineGeometry == null)
{
lineGeometry = new Geometry();
lineGeometry.vertices.Add(Vector3.Zero);
lineGeometry.vertices.Add(Vector3.UnitY);
lineGeometry.vertexColors = new List<Color>()
{
c,
c,
};
}
if (coneGeometry == null)
{
coneGeometry = new CylinderGeometry(0, 0.5f, 1, 5, 1);
var m = Matrix4.MakeTranslation(0, -0.5f, 0);
coneGeometry.Apply(m);
}
var arrowHelper = new ArrowHelper();
// dir is assumed to be normalized
var head = headLength.HasValue ? headLength.Value : 0.2f * length;
var width = headWidth.HasValue ? headWidth.Value : 0.2f * head;
arrowHelper.Position = origin;
arrowHelper.line = new Line(lineGeometry, new LineBasicMaterial(renderer)
{
Diffuse = c,
VertexColors = Net.Renderers.VertexColorMode.Vertex
});
arrowHelper.line.matrixAutoUpdate = false;
arrowHelper.Add(arrowHelper.line);
arrowHelper.cone = new Mesh(coneGeometry, new MeshBasicMaterial(renderer)
{
Diffuse = c
});
arrowHelper.cone.matrixAutoUpdate = false;
arrowHelper.Add(arrowHelper.cone);
arrowHelper.SetDirection(dir.Normalized());
arrowHelper.SetLength(length, head, width);
return arrowHelper;
}
public override LoadedInfo Parse(Renderer renderer, JObject json, string texturePath)
{
var geometry = new Geometry();
throw new NotImplementedException(); //geometry.faces = json["indices"];
throw new NotImplementedException(); //geometry.vertices = json.vertices;
throw new NotImplementedException(); //geometry.normals = json.normals;
throw new NotImplementedException(); //geometry.uvs = json.uvs;
throw new NotImplementedException();
//Sphere boundingSphere = null;
//var boundingSphere = json.boundingSphere;
//if ( boundingSphere !== undefined ) {
//geometry.boundingSphere = new Sphere(
// new THREE.Vector3().fromArray( boundingSphere.center !== undefined ? boundingSphere.center : [ 0, 0, 0 ] ),
// boundingSphere.radius
//);
}
public static AxisHelper Create(Renderer renderer, float size = 1)
{
var geometry = new Geometry()
{
vertices = new List<Vector3>()
{
Vector3.Zero, new Vector3(size, 0, 0),
Vector3.Zero, new Vector3(0, size, 0),
Vector3.Zero, new Vector3(0, 0, size)
},
vertexColors = new List<Color>()
{
new Color(1, 0, 0), new Color(1, 0.5f, 0.5f),
new Color(0, 1, 0), new Color(0.5f, 1, 0.5f),
new Color(0, 0, 1), new Color(0.5f, 0.5f, 1),
}
};
var axis = new AxisHelper(geometry, new LineBasicMaterial(renderer)
{
VertexColors = Net.Renderers.VertexColorMode.Vertex
});
return axis;
}
public override LoadedInfo Parse(Renderer renderer, JObject json, String texturePath)
{
var geometry = new Geometry();
var scaleData = json["scale"];
var scale = scaleData != null ? 1 / scaleData.Value<float>() : 1;
ParseModel(json, geometry, scale);
ParseSkin(json, geometry);
ParseMorphing(json, geometry, scale);
geometry.ComputeNormals();
geometry.ComputeBoundingSphere();
var info = new LoadedInfo()
{
Geometry = geometry
};
var materialsJson = json["materials"];
if (materialsJson != null)
{
var materialsData = materialsJson.ToArray();
if (materialsData.Length != 0)
{
var materials = InitMaterials(renderer, materialsData, texturePath);
if (NeedsTangents(materials)) geometry.ComputeTangents();
info.Materials.AddRange(materials);
}
}
return info;
}
private BoxHelper(Geometry geometry, LineBasicMaterial material)
: base(geometry, material, LineType.Pieces)
{
}
public Mesh(Geometry geometry, Material material)
{
Debug.Assert(material is CustomShaderMaterial || material is MeshBasicMaterial);
this.geometry = geometry;
this.Material = material;
}
private static Line CreateHilbertCube(Renderer renderer, Scene scene)
{
var points = Mathf.Hilbert3D(Vector3.Zero, 0.25f, 2);
var spline = new SplineCurve3(points);
var geometrySpline = new Geometry();
geometrySpline.vertexColors = new List<Color>();
var subdivisions = 6;
var count = points.Count * subdivisions;
for (var i = 0; i < count; i++)
{
var index = i / (float)(points.Count * subdivisions);
var position = spline.InterpolatedPoint(index);
geometrySpline.vertices.Add(position);
var hsl = Color.FromHSV(index, 1, 1);
geometrySpline.vertexColors.Add(hsl);
}
var lines = new Line(geometrySpline, new LineDashedMaterial(renderer)
{
//DiffuseColor = Color.Cornflowerblue,
VertexColors = VertexColorMode.Vertex,
LineWidth = 0.01f,
DashSize = 0.006f,
GapSize = 0.002f,
});
return lines;
}
public Line(Geometry geometry, LineBasicMaterial material, LineType type = LineType.Strip)
{
this.geometry = geometry;
Material = material;
this.Type = type;
}
public static Object3D Parse(Renderer renderer, string path, Action<string> mtllibCallback = null)
{
ObjMtlLoader.renderer = renderer;
var text = File.ReadAllText(path);
var vector = new Func<string, string, string, Vector3>((x, y, z) =>
{
var vx = Convert.ToSingle(x);
var vy = Convert.ToSingle(y);
var vz = Convert.ToSingle(z);
return new Vector3(vx, vy, vz);
});
var uv = new Func<string, string, Vector2>((u, v) =>
{
var vu = Convert.ToSingle(u);
var vv = Convert.ToSingle(v);
return new Vector2(vu, vv);
});
var parseVertexIndex = new Func<string, int>((indexString) =>
{
var index = Convert.ToInt32(indexString);
return index >= 0 ? index - 1 : index + vertexIndicies.Count;
});
var parseNormalIndex = new Func<string, int>((indexString) =>
{
var index = Convert.ToInt32(indexString);
return index >= 0 ? index - 1 : index + normals.Count;
});
var parseUVIndex = new Func<string, int>((indexString) =>
{
var index = Convert.ToInt32(indexString);
return index >= 0 ? index - 1 : index + uvs2.Count;
});
var add_face = new Action<string, string, string, List<string>>((a, b, c, normals_inds) =>
{
if (normals_inds == null)
{
geometry.faces.Add(new Face3(
vertexIndicies[parseVertexIndex(a)] - 1,
vertexIndicies[parseVertexIndex(b)] - 1,
vertexIndicies[parseVertexIndex(c)] - 1
));
}
else
{
geometry.faces.Add(new Face3(
vertexIndicies[parseVertexIndex(a)] - 1,
vertexIndicies[parseVertexIndex(b)] - 1,
vertexIndicies[parseVertexIndex(c)] - 1,
normals[parseNormalIndex(normals_inds[0])],
normals[parseNormalIndex(normals_inds[1])],
normals[parseNormalIndex(normals_inds[2])]));
}
});
var add_uvs = new Action<string, string, string>((a, b, c) =>
{
geometry.faceVertexUvs[0].Add(new UVFaceSet(uvs2[parseUVIndex(a)], uvs2[parseUVIndex(b)], uvs2[parseUVIndex(c)]));
});
var handle_face_line = new Action<List<string>, List<string>, List<string>>((faces, uvs, normals_inds) =>
{
if (faces.Count == 3)
{
add_face(faces[0], faces[1], faces[2], normals_inds);
if (uvs != null && uvs.Count > 0)
{
add_uvs(uvs[0], uvs[1], uvs[2]);
}
}
else
{
if (normals_inds != null && normals_inds.Count > 0)
{
add_face(faces[0], faces[1], faces[3], new List<string>() { normals_inds[0], normals_inds[1], normals_inds[3] });
add_face(faces[1], faces[2], faces[3], new List<string>() { normals_inds[1], normals_inds[2], normals_inds[3] });
}
else
{
add_face(faces[0], faces[1], faces[3], null);
add_face(faces[1], faces[2], faces[3], null);
}
if (uvs != null && uvs.Count > 0)
{
add_uvs(uvs[0], uvs[1], uvs[3]);
add_uvs(uvs[1], uvs[2], uvs[3]);
}
}
});
var o = new Object3D();
var lines = text.Split('\n');
// create mesh if no objects in text
if (lines.Where(l => l.StartsWith("o")).Count() == 0)
{
geometry = new Geometry();
material = new MeshBasicMaterial(renderer);
mesh = new Mesh(geometry, material);
o.Add(mesh);
}
vertexIndicies = new List<int>();
normals = new List<Vector3>();
uvs2 = new List<Vector2>();
// fixes
//text = text.Replace("\r\n",string.Empty); // handles line continuations \
foreach (var l in lines)
{
if (l.Length == 0 || l[0] == '#') continue;
var line = l.Trim();
var result = line.Split(' ','/');
if (vertex_pattern.IsMatch(line))
{
// ["v 1.0 2.0 3.0", "1.0", "2.0", "3.0"]
geometry.vertices.Add(
vector(
result[1], result[2], result[3]
)
);
vertexIndicies.Add(geometry.vertices.Count);
}
else if (normal_pattern.IsMatch(line))
{
// ["vn 1.0 2.0 3.0", "1.0", "2.0", "3.0"]
normals.Add(vector(result[1], result[2], result[3]));
}
else if (uv_pattern.IsMatch(line))
{
// ["vt 0.1 0.2", "0.1", "0.2"]
uvs2.Add(
uv(
result[1], result[2]
)
);
}
else if (face_pattern1.IsMatch(line))
{
// ["f 1 2 3", "1", "2", "3", undefined]WDEAADEAWAAAADD
if (result.Length == 4)
{
handle_face_line(new List<string>() { result[1], result[2], result[3] }, null, null);
}
else
{
handle_face_line(new List<string>() { result[1], result[2], result[3], result[4] }, null, null);
}
}
else if (face_pattern2.IsMatch(line))
{
// ["f 1/1 2/2 3/3", " 1/1", "1", "1", " 2/2", "2", "2", " 3/3", "3", "3", undefined, undefined, undefined]
if (result.Length == 7)
{
handle_face_line(
new List<string>() { result[1], result[3], result[5] }, //faces
new List<string>() { result[2], result[4], result[6] }, //uv
null
);
}
else
{
handle_face_line(
new List<string>() { result[1], result[3], result[5], result[7] }, //faces
new List<string>() { result[2], result[4], result[6], result[8] }, //uv
null
);
}
}
else if (face_pattern3.IsMatch(line))
{
if (result.Length == 10)
{
handle_face_line(
new List<string>() { result[1], result[4], result[7], }, //faces
new List<string>() { result[2], result[5], result[8], }, //uv
new List<string>() { result[3], result[6], result[9], } //normal
);
}
else
{
// ["f 1/1/1 2/2/2 3/3/3", " 1/1/1", "1", "1", "1", " 2/2/2", "2", "2", "2", " 3/3/3", "3", "3", "3", undefined, undefined, undefined, undefined]
handle_face_line(
new List<string>() { result[1], result[4], result[7], result[10] }, //faces
new List<string>() { result[2], result[5], result[8], result[11] }, //uv
new List<string>() { result[3], result[6], result[9], result[12] } //normal
);
}
}
else if (face_pattern4.IsMatch(line))
{
if (result.Length == 10)
{
// ["f 1//1 2//2 3//3", " 1//1", "1", "1", " 2//2", "2", "2", " 3//3", "3", "3", undefined, undefined, undefined]
handle_face_line(
new List<string>() { result[1], result[4], result[7] }, //faces
null, //uv
new List<string>() { result[3], result[6], result[9] } //normal
);
}
else
{
// ["f 1//1 2//2 3//3", " 1//1", "1", "1", " 2//2", "2", "2", " 3//3", "3", "3", undefined, undefined, undefined]
handle_face_line(
new List<string>() { result[1], result[4], result[7], result[10] }, //faces
null, //uv
new List<string>() { result[3], result[6], result[9], result[12] } //normal
);
}
}
else if (objectTest.IsMatch(line))
{
geometry = new Geometry();
material = new MeshBasicMaterial(renderer);
mesh = new Mesh(geometry, material);
mesh.Name = line.Substring(2).Trim();
o.Add(mesh);
}
else if (groupTest.IsMatch(line))
{
// group
}
else if (useMTLTest.IsMatch(line))
{
// material
material = materials[result[1].Trim()];
mesh.Material = material;
}
else if (mtlTest.IsMatch(line))
{
// mtl file
var objPath = Path.GetDirectoryName(path);
var fullPath = Path.Combine(objPath, result[1].Trim());
ParseMaterials(fullPath);
}
else if (smoothShadingTest.IsMatch(line))
{
// smooth shading
}
else
{
throw new NotSupportedException(line);
}
}
var children = o.Children;
foreach (var c in o.Children)
{
var geometry = c.geometry;
geometry.ComputeNormals();
geometry.ComputeBoundingSphere();
}
return o;
}
public static CameraHelper Create(Renderer renderer, Camera camera)
{
var pointMap = new Dictionary<string, List<int>>();
var geometry = new Geometry();
var material = new LineBasicMaterial(renderer)
{
Diffuse = Color.White,
VertexColors = VertexColorMode.Vertex
};
var cameraHelper = new CameraHelper(camera, geometry, material);
//Colors
var hexFrustum = new Color(0xffaa00);
var hexCone = new Color(0xff0000);
var hexUp = new Color(0x00aaff);
var hexTarget = new Color(0xffffff);
var hexCross = new Color(0x333333);
// near
cameraHelper.AddLine("n1", "n2", hexFrustum);
cameraHelper.AddLine("n2", "n4", hexFrustum);
cameraHelper.AddLine("n4", "n3", hexFrustum);
cameraHelper.AddLine("n3", "n1", hexFrustum);
// far
cameraHelper.AddLine("f1", "f2", hexFrustum);
cameraHelper.AddLine("f2", "f4", hexFrustum);
cameraHelper.AddLine("f4", "f3", hexFrustum);
cameraHelper.AddLine("f3", "f1", hexFrustum);
// sides
cameraHelper.AddLine("n1", "f1", hexFrustum);
cameraHelper.AddLine("n2", "f2", hexFrustum);
cameraHelper.AddLine("n3", "f3", hexFrustum);
cameraHelper.AddLine("n4", "f4", hexFrustum);
// cone
cameraHelper.AddLine("p", "n1", hexCone);
cameraHelper.AddLine("p", "n2", hexCone);
cameraHelper.AddLine("p", "n3", hexCone);
cameraHelper.AddLine("p", "n4", hexCone);
// up
cameraHelper.AddLine("u1", "u2", hexUp);
cameraHelper.AddLine("u2", "u3", hexUp);
cameraHelper.AddLine("u3", "u1", hexUp);
// target
cameraHelper.AddLine("c", "t", hexTarget);
cameraHelper.AddLine("p", "c", hexCross);
// cross
cameraHelper.AddLine("cn1", "cn2", hexCross);
cameraHelper.AddLine("cn3", "cn4", hexCross);
cameraHelper.AddLine("cf1", "cf2", hexCross);
cameraHelper.AddLine("cf3", "cf4", hexCross);
cameraHelper.Update();
return cameraHelper;
}
private void ParseMorphing(JObject json, Geometry geometry, float scale)
{
var morphTargetsData = json["morphTargets"];
if (morphTargetsData != null)
{
var morphtargets = morphTargetsData.ToArray();
if (morphtargets.Length > 0)
{
for (var i = 0; i < morphtargets.Length; i++)
{
var morphTargetData = morphtargets[i];
var morphTarget = new MorphTargetInfo()
{
Name = morphTargetData[i]["name"].Value<string>()
};
geometry.MorphTargets.Add(morphTarget);
var dstVertices = morphTarget.Vertices;
var srcVertices = morphTargetData["vertices"].Values<float>().ToArray();
for (var v = 0; v < srcVertices.Length; v += 3)
{
var vertex = new Vector3();
vertex.x = srcVertices[v] * scale;
vertex.y = srcVertices[v + 1] * scale;
vertex.z = srcVertices[v + 2] * scale;
dstVertices.Add(vertex);
}
}
}
}
var morphColorsData = json["morphColors"];
if (morphColorsData != null)
{
geometry.MorphColors = new List<MorphColorInfo>();
var morphColors = morphColorsData.ToArray();
for (var i = 0; i < morphColors.Length; i++)
{
var colorData = morphColors[i];
var morphColor = new MorphColorInfo()
{
Name = colorData["name"].Value<string>()
};
geometry.MorphColors.Add(morphColor);
var dstColors = morphColor.Colors;
var srcColors = colorData["colors"].Values<float>().ToArray();
for (var c = 0; c < srcColors.Length; c += 3)
{
var r = srcColors[c];
var g = srcColors[c + 1];
var b = srcColors[c + 2];
var color = new Color(r, g, b);
dstColors.Add(color);
}
}
}
}
private void ParseModel(JObject json, Geometry geometry, float scale)
{
var verticesData = json["vertices"].Values<float>().ToArray();
var facesData = json["faces"].Values<int>().ToArray();
var normalsData = json["normals"].Values<float>().ToArray();
var colorsData = json["colors"].Values<uint>().ToArray();
var uvsData = new List<List<float>>();
foreach (var array in json["uvs"])
{
var uvData = array.Values<float>().ToArray();
uvsData.Add(new List<float>(uvData));
}
var nUvLayers = 0;
if(uvsData.Count > 0)
{
geometry.faceVertexUvs.Clear();
// disregard empty arrays
foreach (var row in uvsData)
{
nUvLayers++;
geometry.faceVertexUvs.Add(new List<UVFaceSet>());
}
}
var offset = 0;
while (offset < verticesData.Length)
{
var x = verticesData[offset++] * scale;
var y = verticesData[offset++] * scale;
var z = verticesData[offset++] * scale;
var v = new Vector3(x, y, z);
geometry.vertices.Add(v);
}
offset = 0;
while (offset < facesData.Length)
{
var type = facesData[offset++];
var isQuad = IsBitSet(type, 0);
var hasMaterial = IsBitSet(type, 1);
var hasFaceVertexUv = IsBitSet(type, 3);
var hasFaceNormal = IsBitSet(type, 4);
var hasFaceVertexNormal = IsBitSet(type, 5);
var hasFaceColor = IsBitSet(type, 6);
var hasFaceVertexColor = IsBitSet(type, 7);
//Debug.WriteLine("type:{0} bits( IsQuad:{1} Material:{2} FaceVertexUv:{3} FaceNormal:{4} FaceVertexNormal:{5} FaceColor:{6} FaceVertexColor:{7}", type, isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);
if (isQuad != 0)
{
var a = facesData[offset++];
var b = facesData[offset++];
var c = facesData[offset++];
var d = facesData[offset++];
var faceA = new Face3(a, b, d);
var faceB = new Face3(b, c, d);
if (hasMaterial != 0)
{
var materialIndex = facesData[offset++];
}
if (hasFaceVertexUv != 0)
{
for (var i = 0; i < nUvLayers; i++)
{
var uvLayer = uvsData[ i ];
var uvIndexA = facesData[offset++];
var uvIndexB = facesData[offset++];
var uvIndexC = facesData[offset++];
var uvIndexD = facesData[offset++];
var uA = uvLayer[uvIndexA * 2];
var vA = uvLayer[uvIndexA * 2 + 1];
var uvA = new Vector2(uA, vA);
var uB = uvLayer[uvIndexB * 2];
var vB = uvLayer[uvIndexB * 2 + 1];
var uvB = new Vector2(uB, vB);
var uC = uvLayer[uvIndexC * 2];
var vC = uvLayer[uvIndexC * 2 + 1];
var uvC = new Vector2(uC, vC);
var uD = uvLayer[uvIndexD * 2];
var vD = uvLayer[uvIndexD * 2 + 1];
var uvD = new Vector2(uD, vD);
geometry.faceVertexUvs[i].Add(new UVFaceSet(uvA,uvB,uvD));
geometry.faceVertexUvs[i].Add(new UVFaceSet(uvB,uvC,uvD));
}
}
if (hasFaceNormal != 0)
{
var normalIndex = facesData[offset++] * 3;
var x = normalsData[normalIndex++];
var y = normalsData[normalIndex++];
var z = normalsData[normalIndex];
var n = new Vector3(x, y, z); ;
faceA.NormalA = n;
faceA.NormalB = n;
faceA.NormalC = n;
faceB.NormalA = n;
faceB.NormalB = n;
faceB.NormalC = n;
}
if (hasFaceVertexNormal != 0)
{
for (var i = 0; i < 4; i++)
{
var normalIndex = facesData[offset++] * 3;
var x = normalsData[normalIndex++];
var y = normalsData[normalIndex++];
var z = normalsData[normalIndex];
var n = new Vector3(x, y, z);
switch(i)
{
case 0: faceA.NormalA = n; break;
case 1: faceA.NormalB = n; faceB.NormalA = n; break;
case 2: faceB.NormalB = n; break;
case 3: faceA.NormalC = n; faceB.NormalC = n; break;
}
}
}
if (hasFaceColor != 0)
{
var colorIndex = facesData[offset++];
var hex = colorsData[colorIndex];
var color = new Color(hex);
faceA.ColorA = color;
faceA.ColorB = color;
faceA.ColorC = color;
faceB.ColorA = color;
faceB.ColorB = color;
faceB.ColorC = color;
}
if (hasFaceVertexColor != 0)
{
for (var i = 0; i < 4; i++)
{
var colorIndex = facesData[offset++];
var hex = colorsData[colorIndex];
var color = new Color(hex);
switch (i)
{
case 0: faceA.ColorA = color; break;
case 1: faceA.ColorB = color; faceB.ColorA = color; break;
case 2: faceB.ColorB = color; break;
case 3: faceA.ColorC = color; faceB.ColorC = color; break;
}
}
}
geometry.faces.Add(faceA);
geometry.faces.Add(faceB);
}
else
{
var a = facesData[offset++];
var b = facesData[offset++];
var c = facesData[offset++];
var face = new Face3(a, b, c);
if (hasFaceVertexUv != 0)
{
for (var i = 0; i < nUvLayers; i++)
{
var uvLayer = uvsData[i];
var uvIndexA = facesData[offset++];
var uvIndexB = facesData[offset++];
var uvIndexC = facesData[offset++];
var uA = uvLayer[uvIndexA * 2];
var vA = uvLayer[uvIndexA * 2 + 1];
var uvA = new Vector2(uA, vA);
var uB = uvLayer[uvIndexB * 2];
var vB = uvLayer[uvIndexB * 2 + 1];
var uvB = new Vector2(uB, vB);
var uC = uvLayer[uvIndexC * 2];
var vC = uvLayer[uvIndexC * 2 + 1];
var uvC = new Vector2(uC, vC);
geometry.faceVertexUvs[i].Add(new UVFaceSet(uvA, uvB, uvC));
}
}
if (hasFaceNormal != 0)
{
var normalIndex = facesData[offset++] * 3;
var x = normalsData[normalIndex++];
var y = normalsData[normalIndex++];
var z = normalsData[normalIndex];
var n = new Vector3(x, y, z);
face.NormalA = n;
face.NormalB = n;
face.NormalC = n;
}
if (hasFaceVertexNormal != 0)
{
for (var i = 0; i < 3; i++)
{
var normalIndex = facesData[offset++] * 3;
var x = normalsData[normalIndex++];
var y = normalsData[normalIndex++];
var z = normalsData[normalIndex];
var n = new Vector3(x, y, z);
switch (i)
{
case 0: face.NormalA = n; break;
case 1: face.NormalB = n; break;
case 2: face.NormalC = n; break;
}
}
}
if (hasFaceColor != 0)
{
var colorIndex = facesData[offset++];
var hex = colorsData[colorIndex];
var color = new Color(hex);
face.ColorA = color;
face.ColorB = color;
face.ColorC = color;
}
if (hasFaceVertexColor != 0)
{
for (var i = 0; i < 3; i++)
{
var colorIndex = facesData[offset++];
var hex = colorsData[colorIndex];
var color = new Color(hex);
switch (i)
{
case 0: face.ColorA = color; break;
case 1: face.ColorB = color; break;
case 2: face.ColorC = color; break;
}
}
}
geometry.faces.Add(face);
}
}
}
private void ParseSkin(JObject json, Geometry geometry)
{
var influencesPerVertexData = json["influencesPerVertex"];
var influencesPerVertex = influencesPerVertexData != null ? influencesPerVertexData.Value<int>() : 2;
var skinWeightsData = json["skinWeights"];
if (skinWeightsData != null)
{
var skinWeights = skinWeightsData.Values<float>().ToArray();
if (skinWeights.Length > 0)
{
geometry.SkinWeights = new List<Vector4>();
for (var i = 0; i < skinWeights.Length; i += influencesPerVertex)
{
var x = skinWeights[i];
var y = (influencesPerVertex > 1) ? skinWeights[i + 1] : 0;
var z = (influencesPerVertex > 2) ? skinWeights[i + 2] : 0;
var w = (influencesPerVertex > 3) ? skinWeights[i + 3] : 0;
geometry.SkinWeights.Add(new Vector4(x, y, z, w));
}
}
}
var skinIndicesData = json["skinIndices"];
if (skinIndicesData != null)
{
var skinIndices = skinIndicesData.Values<int>().ToArray();
if (skinIndices.Length > 0)
{
geometry.SkinIndices = new List<Vector4>();
for (var i = 0; i < skinIndices.Length; i += influencesPerVertex)
{
var a = skinIndices[i];
var b = (influencesPerVertex > 1) ? skinIndices[i + 1] : 0;
var c = (influencesPerVertex > 2) ? skinIndices[i + 2] : 0;
var d = (influencesPerVertex > 3) ? skinIndices[i + 3] : 0;
geometry.SkinIndices.Add(new Vector4(a, b, c, d));
}
}
}
var bonesData = json["bones"];
if (bonesData != null)
{
var bones = bonesData.ToArray();
if (bones.Length > 0)
{
if ((geometry.SkinWeights.Count != geometry.SkinIndices.Count || geometry.SkinIndices.Count != geometry.vertices.Count))
{
var format = "When skinning, number of vertices ({0}), skinIndices ({1}), and skinWeights ({2}) should match.";
var msg = string.Format(format, geometry.vertices.Count, geometry.SkinIndices.Count, geometry.SkinWeights.Count);
throw new Exception(msg);
}
// could change this to json.animations[0] or remove completely
var animationData = json["animation"];
throw new NotImplementedException();
//var animationsData = json["animations"];
//if (animationsData != null) throw new NotImplementedException();
}
}
}
private BoundingBoxHelper(Geometry geometry, MeshBasicMaterial material)
: base(geometry, material)
{
}
public SkinnedMesh(Geometry geometry, MeshBasicMaterial material, bool useVertexTexture):base(geometry, material)
{
}