internal void RemoveObject(Object3D o)
{
var light = o as Light;
if (light != null)
{
lights.Remove(light);
var directional = light as DirectionalLight;
if (directional != null) throw new NotImplementedException();
}
else
{
var camera = o as Camera;
if (camera == null)
{
objectsRemoved.Add(o);
// check if previously added
objectsAdded.Remove(o);
}
}
foreach (var c in o.Children) RemoveObject(c);
}
public void AddObject(Object3D o)
{
var light = o as Light;
if (light != null)
{
if (!lights.Contains(light)) lights.Add(light);
var targetLight = light as HasTarget;
}
else
{
var camera = o as Camera;
var bone = o as Bone;
if (!(camera != null || bone != null))
{
objectsAdded.Add(o);
// check if previously removed
objectsRemoved.Remove(o);
}
}
//dispatchEvent( { type: 'objectAdded', object: object } );
//object.dispatchEvent( { type: 'addedToScene', scene: this } );
foreach (var c in o.Children) AddObject(c);
}
public bool IntersectsObject(Object3D o)
{
var geometry = o.geometry;
if (geometry.BoundingSphere == Sphere.Empty) geometry.ComputeBoundingSphere();
var sphere = geometry.BoundingSphere;
sphere.Apply(o.matrixWorld);
return IntersectsSphere(sphere);
}
public IntersectionInfo(float distance, Vector3 intersectionPoint, Face3 face, int faceIndex, Object3D o)
{
Distance = distance;
IntersectionPoint = intersectionPoint;
Face = face;
FaceIndex = faceIndex;
Object = o;
}
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;
}
// a helper to show the world-axis-aligned bounding box for an object
public static BoundingBoxHelper Create(Renderer renderer, Object3D o, Color? color = null)
{
var c = color.HasValue ? color.Value : new Color(0x888888);
var geo = new BoxGeometry(1, 1, 1);
var mat = new MeshBasicMaterial(renderer)
{
Diffuse = c,
UseWireframe = true
};
var boundingBoxHelper = new BoundingBoxHelper(geo, mat);
boundingBoxHelper.o = o;
boundingBoxHelper.box = Box3.Empty;
return boundingBoxHelper;
}
public IEnumerable<IntersectionInfo> IntersectObject(Object3D o, bool recursive)
{
List<IntersectionInfo> intersects = new List<IntersectionInfo>();
o.Raycast(this, intersects);
if (recursive)
{
foreach (var c in o.Children)
{
var subresults = IntersectObject(c, true);
if (subresults != null)
{
intersects.AddRange(subresults);
}
}
}
intersects.Sort(descendingDistanceSort);
return intersects;
}
private void ProjectObject(Scene scene, Object3D o, Camera shadowCamera)
{
if (o.IsVisible)
{
List<Scene.BufferInfo> glObjects;
if (scene.glObjects.TryGetValue(o.Id, out glObjects))
{
if (o.DoesCastShadow && (!o.frustumCulled || frustum.IntersectsObject(o)))
{
foreach(var glObject in glObjects)
{
o.modelViewMatrix.MultiplyMatrices(shadowCamera.matrixWorldInverse, o.matrixWorld);
renderList.Add(glObject);
}
}
foreach (var c in o.Children) ProjectObject(scene, c, shadowCamera);
}
}
}
private static void Init()
{
mediaPath = Path.GetFullPath("../../../../../js/r68/examples/");
texturesPath = Path.Combine(mediaPath, "textures");
renderer = new Renderer();
scene = new Scene()
{
Fog = new FogLinear(Color.Black, 1500,2100)
};
camera = new PerspectiveCamera(renderer, 60, 1, 2100)
{
Position = new Vector3(0, 0, 1500)
};
cameraOrtho = new OrthographicCamera(renderer, 1, 10000)
{
Position = new Vector3(0, 0, 150)
};
sceneOrtho = new Scene();
//var amount = 200;
//var radius = 500;
sceneOrtho.Add(new Mesh(new SphereGeometry(100, 50, 50), new MeshBasicMaterial(renderer) { Diffuse = Color.Red}));
var group = new Object3D();
var materialA = new SpriteMaterial(renderer)
{
DiffuseMap = new Texture(Path.Combine(texturesPath, "sprite0.png")),
Diffuse = Color.White,
UseFog = true,
};
spriteTL = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width,materialA.DiffuseMap.Resolution.Height,1),
};
sceneOrtho.Add(spriteTL);
spriteTR = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width, materialA.DiffuseMap.Resolution.Height, 1),
};
sceneOrtho.Add(spriteTR);
spriteBL = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width, materialA.DiffuseMap.Resolution.Height, 1),
};
sceneOrtho.Add(spriteBL);
spriteBR = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width, materialA.DiffuseMap.Resolution.Height, 1),
};
sceneOrtho.Add(spriteBR);
spriteC = new Sprite(renderer, materialA)
{
Scale = new Vector3(materialA.DiffuseMap.Resolution.Width, materialA.DiffuseMap.Resolution.Height, 1),
};
sceneOrtho.Add(spriteC);
UpdateHUDSprites();
var materialB = new SpriteMaterial(renderer)
{
DiffuseMap = new Texture(Path.Combine(texturesPath, "sprite1.png")),
Diffuse = Color.White,
UseFog = true,
};
var materialC = new SpriteMaterial(renderer)
{
DiffuseMap = new Texture(Path.Combine(texturesPath, "sprite2.png")),
Diffuse = Color.White,
UseFog = true,
};
mediaPath = Path.Combine(mediaPath, "../../tests/");
}
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;
}
