public Mesh_PrimitiveMode(List <string> imageList)
{
UseFigure(imageList, "Indices");
UseFigure(imageList, "Indices_Points");
// There are no common properties in this model group that are reported in the readme.
Model CreateModel(Action <List <Property>, Runtime.MeshPrimitive> setProperties)
{
var properties = new List <Property>();
Runtime.MeshPrimitive meshPrimitive = MeshPrimitive.CreateSinglePlane(includeTextureCoords: false, includeIndices: false);
// Apply the properties that are specific to this gltf.
setProperties(properties, meshPrimitive);
meshPrimitive.Material = new Runtime.Material
{
MetallicRoughnessMaterial = new Runtime.PbrMetallicRoughness
{
MetallicFactor = 0
},
};
// Create the gltf object.
return(new Model
{
Properties = properties,
GLTF = CreateGLTF(() => new Runtime.Scene
{
Nodes = new List <Runtime.Node>
{
new Runtime.Node
{
Mesh = new Runtime.Mesh
{
MeshPrimitives = new List <Runtime.MeshPrimitive>
{
meshPrimitive
}
},
},
},
}),
});
}
void SetModePoints(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
var pointPositions = new List <Vector3>();
var cornerPoints = new List <Vector3>
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(0.5f, -0.5f, 0.0f)
};
for (var corner = 0; corner < 4; corner++)
{
for (float x = 256; x > 0; x--)
{
Vector3 startPoint = cornerPoints[corner];
Vector3 endPoint = cornerPoints[corner + 1];
float fractionOfLine = x / 256f;
pointPositions.Add(GetPointOnLine(startPoint, endPoint, fractionOfLine));
}
}
meshPrimitive.Mode = ModeEnum.POINTS;
meshPrimitive.Positions = pointPositions;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeLines(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions = new List <Vector3>
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(0.5f, -0.5f, 0.0f),
};
}
meshPrimitive.Mode = ModeEnum.LINES;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeLineLoop(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions = new List <Vector3>
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
};
}
meshPrimitive.Mode = ModeEnum.LINE_LOOP;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeLineStrip(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions = new List <Vector3>
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(0.5f, -0.5f, 0.0f),
};
}
meshPrimitive.Mode = ModeEnum.LINE_STRIP;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeTriangleStrip(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions = new List <Vector3>
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
};
}
meshPrimitive.Mode = ModeEnum.TRIANGLE_STRIP;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeTriangleFan(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions = new List <Vector3>
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
};
}
meshPrimitive.Mode = ModeEnum.TRIANGLE_FAN;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeTriangles(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions = new List <Vector3>
{
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
};
}
meshPrimitive.Mode = ModeEnum.TRIANGLES;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetIndicesPoints(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
var pointsIndices = new List <int>();
for (var x = 0; x < meshPrimitive.Positions.Count(); x++)
{
pointsIndices.Add(x);
}
meshPrimitive.Indices = pointsIndices;
properties.Add(new Property(PropertyName.IndicesValues, $"[0 - {meshPrimitive.Positions.Count() - 1}]"));
}
void SetIndicesLines(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions = GetSinglePlaneNonReversiblePositions();
meshPrimitive.Indices = new List <int>
{
0, 3,
3, 2,
2, 1,
1, 0,
};
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.ToReadmeString()));
}
void SetIndicesLineLoop(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions = GetSinglePlaneNonReversiblePositions();
meshPrimitive.Indices = new List <int>
{
0, 3, 2, 1,
};
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.ToReadmeString()));
}
void SetIndicesTriangleFan(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions = MeshPrimitive.GetSinglePlanePositions();
meshPrimitive.Indices = new List <int>
{
0, 3, 2, 1,
};
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.ToReadmeString()));
}
void SetIndicesLineStrip(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions = GetSinglePlaneNonReversiblePositions();
meshPrimitive.Indices = new List <int>
{
0, 3, 2, 1, 0,
};
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.ToReadmeString()));
}
void SetIndicesTriangleStrip(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions = MeshPrimitive.GetSinglePlanePositions();
meshPrimitive.Indices = new List <int>
{
0, 3, 1, 2,
};
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.ToReadmeString()));
}
void SetIndicesTriangles(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions = MeshPrimitive.GetSinglePlanePositions();
meshPrimitive.Indices = MeshPrimitive.GetSinglePlaneIndices();
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.ToReadmeString()));
}
void SetIndicesComponentTypeInt(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.IndexComponentType = IndexComponentTypeEnum.UNSIGNED_INT;
properties.Add(new Property(PropertyName.IndicesComponentType, meshPrimitive.IndexComponentType.ToReadmeString()));
}
void SetIndicesComponentTypeByte(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.IndexComponentType = IndexComponentTypeEnum.UNSIGNED_BYTE;
properties.Add(new Property(PropertyName.IndicesComponentType, meshPrimitive.IndexComponentType.ToReadmeString()));
}
void SetIndicesComponentTypeShort(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.IndexComponentType = IndexComponentTypeEnum.UNSIGNED_SHORT;
properties.Add(new Property(PropertyName.IndicesComponentType, meshPrimitive.IndexComponentType.ToReadmeString()));
}
Models = new List <Model>
{
CreateModel((properties, meshPrimitive) =>
{
SetModePoints(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLines(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLineLoop(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLineStrip(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangleStrip(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangleFan(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangles(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModePoints(properties, meshPrimitive);
SetIndicesPoints(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLines(properties, meshPrimitive);
SetIndicesLines(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLineLoop(properties, meshPrimitive);
SetIndicesLineLoop(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLineStrip(properties, meshPrimitive);
SetIndicesLineStrip(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangleStrip(properties, meshPrimitive);
SetIndicesTriangleStrip(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangleFan(properties, meshPrimitive);
SetIndicesTriangleFan(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangles(properties, meshPrimitive);
SetIndicesTriangles(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangles(properties, meshPrimitive);
SetIndicesTriangles(properties, meshPrimitive);
SetIndicesComponentTypeByte(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangles(properties, meshPrimitive);
SetIndicesTriangles(properties, meshPrimitive);
SetIndicesComponentTypeShort(properties, meshPrimitive);
}),
};
GenerateUsedPropertiesList();
}
public Accessor_Sparse(List <string> imageList)
{
var baseColorTextureA = new Texture {
Source = UseTexture(imageList, "BaseColor_A")
};
var baseColorTextureB = new Texture {
Source = UseTexture(imageList, "BaseColor_B")
};
UseFigure(imageList, "SparseAccessor_Input");
UseFigure(imageList, "SparseAccessor_Output-Translation");
// There are no common properties in this model group that are reported in the readme.
Model CreateModel(Action <List <Property>, Animation, List <Node> > setProperties)
{
var properties = new List <Property>();
var animated = true;
var meshPrimitive0 = MeshPrimitive.CreateSinglePlane();
var meshPrimitive1 = MeshPrimitive.CreateSinglePlane();
var nodes = new List <Node>
{
new Node
{
Mesh = new Runtime.Mesh
{
MeshPrimitives = new List <Runtime.MeshPrimitive>
{
meshPrimitive0
}
}
},
new Node
{
Mesh = new Runtime.Mesh
{
MeshPrimitives = new List <Runtime.MeshPrimitive>
{
meshPrimitive1
}
}
}
};
SetTexture(nodes);
var animation = new Animation();
var animations = new List <Animation>
{
animation
};
// Apply the properties that are specific to this gltf.
setProperties(properties, animation, nodes);
// If no animations are used, null out that property.
if (animation.Channels == null)
{
animations = null;
animated = false;
}
// Create the gltf object.
return(new Model
{
Properties = properties,
GLTF = CreateGLTF
(
() => new Scene
{
Nodes = nodes
},
animations: animations
),
Animated = animated,
Camera = new Manifest.Camera(new Vector3(0.0f, 0.0f, 2.75f))
});
}
var samplerInputLinear = new[]
{
0.0f,
1.0f,
2.0f,
};
var samplerOutputTranslation = new[]
{
new Vector3(0.0f, 0.3f, 0.0f),
new Vector3(0.0f, -0.3f, 0.0f),
new Vector3(0.0f, 0.3f, 0.0f),
};
void SetTexture(List <Node> nodes)
{
nodes[0].Mesh.MeshPrimitives.First().Material = new Runtime.Material
{
PbrMetallicRoughness = new PbrMetallicRoughness
{
BaseColorTexture = new TextureInfo {
Texture = baseColorTextureA
},
}
};
nodes[1].Mesh.MeshPrimitives.First().Material = new Runtime.Material
{
PbrMetallicRoughness = new PbrMetallicRoughness
{
BaseColorTexture = new TextureInfo {
Texture = baseColorTextureB
}
}
};
}
void OffsetPositions(List <Node> nodes)
{
// Offsets the positions of the mesh primitives so they don't overlap. This is done because animation translations override node translations.
nodes[0].Mesh.MeshPrimitives.First().Positions.Values = ((Vector3[])nodes[0].Mesh.MeshPrimitives.First().Positions.Values).Select(position => { return(new Vector3(position.X - 0.6f, position.Y, position.Z)); });
nodes[1].Mesh.MeshPrimitives.First().Positions.Values = ((Vector3[])nodes[1].Mesh.MeshPrimitives.First().Positions.Values).Select(position => { return(new Vector3(position.X + 0.6f, position.Y, position.Z)); });
}
void OffsetNodeTranslations(List <Node> nodes)
{
// Gives each node a translation so they don't overlap, but can have the same values for position.
nodes[0].Translation = new Vector3(-0.6f, 0.0f, 0.0f);
nodes[1].Translation = new Vector3(0.6f, 0.0f, 0.0f);
}
List <AnimationChannel> CreateChannels(List <Node> nodes, AnimationSampler sampler0, AnimationSampler sampler1)
{
return(new List <AnimationChannel>
{
new AnimationChannel
{
Target = new AnimationChannelTarget
{
Node = nodes[0],
},
Sampler = sampler0
},
new AnimationChannel
{
Target = new AnimationChannelTarget
{
Node = nodes[1],
},
Sampler = sampler1
},
});
}
void SetAnimationPaths(List <AnimationChannel> channels, AnimationChannelTargetPath path, List <Property> properties)
{
foreach (var channel in channels)
{
channel.Target.Path = path;
}
}
Models = new List <Model>
{
CreateModel((properties, animation, nodes) =>
{
OffsetPositions(nodes);
var sampler0 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputTranslation),
};
var sampler1 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear, DataSparse.Create
(
new Dictionary <int, float>
{
{ 1, 1.5f }
}
)),
Output = Data.Create(samplerOutputTranslation),
};
var channels = CreateChannels(nodes, sampler0, sampler1);
animation.Channels = channels;
SetAnimationPaths(channels, AnimationChannelTargetPath.Translation, properties);
properties.Add(new Property(PropertyName.SparseAccessor, "Animation Sampler Input"));
properties.Add(new Property(PropertyName.Description, "See Figure 1"));
}),
CreateModel((properties, animation, nodes) =>
{
OffsetPositions(nodes);
var sampler0 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputTranslation),
};
var sampler1 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputTranslation, DataSparse.Create
(
new Dictionary <int, Vector3>
{
{ 1, new Vector3(0.0f, 0.2f, 0.0f) },
}
)),
};
var channels = CreateChannels(nodes, sampler0, sampler1);
animation.Channels = channels;
SetAnimationPaths(channels, AnimationChannelTargetPath.Translation, properties);
properties.Add(new Property(PropertyName.SparseAccessor, "Animation Sampler Output"));
properties.Add(new Property(PropertyName.Description, "See Figure 2"));
}),
CreateModel((properties, animation, nodes) =>
{
OffsetNodeTranslations(nodes);
nodes[1].Mesh.MeshPrimitives.First().Positions.Values = nodes[0].Mesh.MeshPrimitives.First().Positions.Values;
nodes[1].Mesh.MeshPrimitives.First().Positions.Sparse = DataSparse.Create
(
new Dictionary <int, Vector3>
{
{ 0, new Vector3(0.25f, -0.5f, 0.0f) },
{ 2, new Vector3(-0.25f, 0.5f, 0.0f) },
}
);
properties.Add(new Property(PropertyName.SparseAccessor, "Positions"));
properties.Add(new Property(PropertyName.Description, "Mesh B's sparse accessor overwrites the values of the top left and bottom right vertexes."));
}),
CreateModel((properties, animation, nodes) =>
{
// Add extra vertexes that will be used by the sparse accessor.
var positions = MeshPrimitive.GetSinglePlanePositions().Concat(new[]
{
new Vector3(0.25f, -0.5f, 0.0f),
new Vector3(-0.25f, 0.5f, 0.0f),
});
var textureCoords = MeshPrimitive.GetSinglePlaneTexCoords().Concat(new[]
{
new Vector2(1.0f, 1.0f),
new Vector2(0.0f, 0.0f),
});
foreach (var node in nodes)
{
node.Mesh.MeshPrimitives.First().Positions.Values = positions;
node.Mesh.MeshPrimitives.First().TexCoords0.Values = textureCoords;
}
OffsetNodeTranslations(nodes);
nodes[1].Mesh.MeshPrimitives.First().Indices.Values = nodes[0].Mesh.MeshPrimitives.First().Indices.Values;
nodes[1].Mesh.MeshPrimitives.First().Indices.Sparse = DataSparse.Create
(
new Dictionary <int, int>
{
{ 1, 4 },
{ 5, 5 },
}
);
properties.Add(new Property(PropertyName.SparseAccessor, "Mesh Primitive Indices"));
properties.Add(new Property(PropertyName.Description, "Both meshes have six vertexes, but only four are used to make the visible mesh. " +
"Mesh B's sparse accessor replaces the indices pointing at the top left and bottom right vertexes with ones pointing at the unused vertexes."));
}),
};
GenerateUsedPropertiesList();
}
public Accessor_SparseType(List <string> imageList)
{
var baseColorTextureA = new Texture {
Source = UseTexture(imageList, "BaseColor_A")
};
var baseColorTextureB = new Texture {
Source = UseTexture(imageList, "BaseColor_B")
};
UseFigure(imageList, "SparseAccessor_Input");
UseFigure(imageList, "SparseAccessor_Output-Rotation");
UseFigure(imageList, "SparseAccessor_NoBufferView");
// There are no common properties in this model group that are reported in the readme.
Model CreateModel(Action <List <Property>, Animation, List <Node> > setProperties)
{
var properties = new List <Property>();
var animated = true;
var meshPrimitive0 = MeshPrimitive.CreateSinglePlane(includeTextureCoords: false);
var meshPrimitive1 = MeshPrimitive.CreateSinglePlane(includeTextureCoords: false);
var nodes = new List <Node>
{
new Node
{
Mesh = new Runtime.Mesh
{
MeshPrimitives = new List <Runtime.MeshPrimitive>
{
meshPrimitive0
}
}
},
new Node
{
Mesh = new Runtime.Mesh
{
MeshPrimitives = new List <Runtime.MeshPrimitive>
{
meshPrimitive1
}
}
}
};
var animation = new Animation();
var animations = new List <Animation>
{
animation
};
// Apply the properties that are specific to this gltf.
setProperties(properties, animation, nodes);
// If no animations are used, null out that property.
if (animation.Channels == null)
{
animations = null;
animated = false;
}
// Create the gltf object.
return(new Model
{
Properties = properties,
GLTF = CreateGLTF
(
() => new Scene
{
Nodes = nodes
},
animations: animations
),
Animated = animated,
Camera = new Manifest.Camera(new Vector3(0.0f, 0.0f, 2.75f))
});
}
var samplerInputLinear = new[]
{
0.0f,
1.0f,
2.0f,
};
var samplerInputSparse = 1.5f;
var samplerOutputTranslationSparse = new Vector3(0.0f, 0.2f, 0.0f);
var samplerOutputRotation = new[]
{
Quaternion.CreateFromYawPitchRoll(0.0f, FloatMath.ToRadians(-45.0f), 0.0f),
Quaternion.CreateFromYawPitchRoll(0.0f, FloatMath.ToRadians(45.0f), 0.0f),
Quaternion.CreateFromYawPitchRoll(0.0f, FloatMath.ToRadians(-45.0f), 0.0f),
};
var samplerOutputRotationSparse = Quaternion.CreateFromYawPitchRoll(0.0f, FloatMath.ToRadians(-90.0f), 0.0f);
List <AnimationChannel> CreateChannels(List <Node> nodes, AnimationSampler sampler0, AnimationSampler sampler1)
{
return(new List <AnimationChannel>
{
new AnimationChannel
{
Target = new AnimationChannelTarget
{
Node = nodes[0],
},
Sampler = sampler0
},
new AnimationChannel
{
Target = new AnimationChannelTarget
{
Node = nodes[1],
},
Sampler = sampler1
},
});
}
void SetAnimationPaths(List <AnimationChannel> channels, AnimationChannelTargetPath path, List <Property> properties)
{
foreach (var channel in channels)
{
channel.Target.Path = path;
}
}
void OffsetPositions(List <Node> nodes)
{
// Offsets the positions of the mesh primitives so they don't overlap. This is done because animation translations override node translations.
nodes[0].Mesh.MeshPrimitives.First().Positions.Values = nodes[0].Mesh.MeshPrimitives.First().Positions.Values.Select(position => { return(new Vector3(position.X - 0.6f, position.Y, position.Z)); });
nodes[1].Mesh.MeshPrimitives.First().Positions.Values = nodes[1].Mesh.MeshPrimitives.First().Positions.Values.Select(position => { return(new Vector3(position.X + 0.6f, position.Y, position.Z)); });
}
void SetTexture(List <Node> nodes)
{
nodes[0].Mesh.MeshPrimitives.First().Material = new Runtime.Material
{
PbrMetallicRoughness = new PbrMetallicRoughness
{
BaseColorTexture = new TextureInfo {
Texture = baseColorTextureA
}
}
};
nodes[1].Mesh.MeshPrimitives.First().Material = new Runtime.Material
{
PbrMetallicRoughness = new PbrMetallicRoughness
{
BaseColorTexture = new TextureInfo {
Texture = baseColorTextureB
}
}
};
nodes[0].Mesh.MeshPrimitives.First().TexCoords0 = Data.Create(MeshPrimitive.GetSinglePlaneTexCoords());
nodes[1].Mesh.MeshPrimitives.First().TexCoords0 = Data.Create(MeshPrimitive.GetSinglePlaneTexCoords());
}
Models = new List <Model>
{
CreateModel((properties, animation, nodes) =>
{
SetTexture(nodes);
OffsetPositions(nodes);
var sampler0 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputRotation),
};
var sampler1 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear, DataSparse.Create
(
DataType.UnsignedByte,
new Dictionary <int, float>
{
{ 1, samplerInputSparse }
}
)),
Output = Data.Create(samplerOutputRotation),
};
var channels = CreateChannels(nodes, sampler0, sampler1);
animation.Channels = channels;
SetAnimationPaths(channels, AnimationChannelTargetPath.Rotation, properties);
properties.Add(new Property(PropertyName.SparseAccessor, "Input"));
properties.Add(new Property(PropertyName.IndicesType, sampler1.Input.Sparse.IndicesOutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.ValueType, sampler1.Input.OutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.BufferView, ":white_check_mark:"));
properties.Add(new Property(PropertyName.Description, "See Figure 1"));
}),
CreateModel((properties, animation, nodes) =>
{
SetTexture(nodes);
OffsetPositions(nodes);
var sampler0 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputRotation),
};
var sampler1 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear, DataSparse.Create
(
DataType.UnsignedShort,
new Dictionary <int, float>
{
{ 1, samplerInputSparse }
}
)),
Output = Data.Create(samplerOutputRotation),
};
var channels = CreateChannels(nodes, sampler0, sampler1);
animation.Channels = channels;
SetAnimationPaths(channels, AnimationChannelTargetPath.Rotation, properties);
properties.Add(new Property(PropertyName.SparseAccessor, "Input"));
properties.Add(new Property(PropertyName.IndicesType, sampler1.Input.Sparse.IndicesOutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.ValueType, sampler1.Input.OutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.BufferView, ":white_check_mark:"));
properties.Add(new Property(PropertyName.Description, "See Figure 1"));
}),
CreateModel((properties, animation, nodes) =>
{
SetTexture(nodes);
OffsetPositions(nodes);
var sampler0 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputRotation),
};
var sampler1 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear, DataSparse.Create
(
DataType.UnsignedInt,
new Dictionary <int, float>
{
{ 1, samplerInputSparse }
}
)),
Output = Data.Create(samplerOutputRotation),
};
var channels = CreateChannels(nodes, sampler0, sampler1);
animation.Channels = channels;
SetAnimationPaths(channels, AnimationChannelTargetPath.Rotation, properties);
properties.Add(new Property(PropertyName.SparseAccessor, "Input"));
properties.Add(new Property(PropertyName.IndicesType, sampler1.Input.Sparse.IndicesOutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.ValueType, sampler1.Input.OutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.BufferView, ":white_check_mark:"));
properties.Add(new Property(PropertyName.Description, "See Figure 1"));
}),
CreateModel((properties, animation, nodes) =>
{
SetTexture(nodes);
OffsetPositions(nodes);
var sampler0 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputRotation, DataType.NormalizedByte),
};
var sampler1 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputRotation, DataType.NormalizedByte, DataSparse.Create
(
DataType.UnsignedByte,
new Dictionary <int, Quaternion>
{
{ 1, samplerOutputRotationSparse }
}
)),
};
var channels = CreateChannels(nodes, sampler0, sampler1);
animation.Channels = channels;
SetAnimationPaths(channels, AnimationChannelTargetPath.Rotation, properties);
properties.Add(new Property(PropertyName.SparseAccessor, "Output"));
properties.Add(new Property(PropertyName.IndicesType, ((Data <Quaternion>)sampler1.Output).Sparse.IndicesOutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.ValueType, sampler1.Output.OutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.BufferView, ":white_check_mark:"));
properties.Add(new Property(PropertyName.Description, "See Figure 2"));
}),
CreateModel((properties, animation, nodes) =>
{
SetTexture(nodes);
OffsetPositions(nodes);
var sampler0 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputRotation, DataType.NormalizedShort),
};
var sampler1 = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(samplerOutputRotation, DataType.NormalizedShort, DataSparse.Create
(
DataType.UnsignedByte,
new Dictionary <int, Quaternion>
{
{ 1, samplerOutputRotationSparse }
}
)),
};
var channels = CreateChannels(nodes, sampler0, sampler1);
animation.Channels = channels;
SetAnimationPaths(channels, AnimationChannelTargetPath.Rotation, properties);
properties.Add(new Property(PropertyName.SparseAccessor, "Output"));
properties.Add(new Property(PropertyName.IndicesType, ((Data <Quaternion>)sampler1.Output).Sparse.IndicesOutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.ValueType, sampler1.Output.OutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.BufferView, ":white_check_mark:"));
properties.Add(new Property(PropertyName.Description, "See Figure 2"));
}),
CreateModel((properties, animation, nodes) =>
{
// Add extra vertexes that will be used by the sparse accessor.
SetTexture(nodes);
var positions = MeshPrimitive.GetSinglePlanePositions().Concat(new[]
{
new Vector3(0.25f, -0.5f, 0.0f),
new Vector3(-0.25f, 0.5f, 0.0f),
});
var texCoords = MeshPrimitive.GetSinglePlaneTexCoords().Concat(new[]
{
new Vector2(1.0f, 1.0f),
new Vector2(0.0f, 0.0f),
});
foreach (var node in nodes)
{
node.Mesh.MeshPrimitives.First().Positions.Values = positions;
node.Mesh.MeshPrimitives.First().TexCoords0.Values = texCoords;
}
OffsetPositions(nodes);
var meshPrimitiveIndices = nodes[1].Mesh.MeshPrimitives.First().Indices;
meshPrimitiveIndices.Values = nodes[0].Mesh.MeshPrimitives.First().Indices.Values;
meshPrimitiveIndices.Sparse = DataSparse.Create
(
DataType.UnsignedByte,
new Dictionary <int, int>
{
{ 1, 4 },
{ 5, 5 },
}
);
properties.Add(new Property(PropertyName.SparseAccessor, "Mesh Primitive Indices"));
properties.Add(new Property(PropertyName.IndicesType, meshPrimitiveIndices.Sparse.IndicesOutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.ValueType, meshPrimitiveIndices.OutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.BufferView, ":white_check_mark:"));
properties.Add(new Property(PropertyName.Description, "See the description for the Mesh Primitive Indices model in [Accessor_Sparse](../Accessor_Sparse/README.md)."));
}),
CreateModel((properties, animation, nodes) =>
{
SetTexture(nodes);
nodes.RemoveAt(0);
var sampler = new AnimationSampler
{
Interpolation = AnimationSamplerInterpolation.Linear,
Input = Data.Create(samplerInputLinear),
Output = Data.Create(Enumerable.Repeat(default(Vector3), 3), DataSparse.Create
(
DataType.UnsignedByte,
new Dictionary <int, Vector3>
{
{ 1, samplerOutputTranslationSparse }
}
)),
};
var channels = new List <AnimationChannel>
{
new AnimationChannel
{
Target = new AnimationChannelTarget
{
Node = nodes[0],
Path = AnimationChannelTargetPath.Translation
},
Sampler = sampler
},
};
animation.Channels = channels;
properties.Add(new Property(PropertyName.SparseAccessor, "Output"));
properties.Add(new Property(PropertyName.IndicesType, ((Data <Vector3>)sampler.Output).Sparse.IndicesOutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.ValueType, ((Data <Vector3>)sampler.Output).OutputType.ToReadmeString()));
properties.Add(new Property(PropertyName.BufferView, ""));
properties.Add(new Property(PropertyName.Description, "See Figure 3"));
}),
};
GenerateUsedPropertiesList();
}
public Mesh_PrimitiveMode(List <string> imageList)
{
UseFigure(imageList, "Indices");
UseFigure(imageList, "Indices_Points");
// There are no common properties in this model group that are reported in the readme.
Model CreateModel(Action <List <Property>, Runtime.MeshPrimitive> setProperties)
{
var properties = new List <Property>();
Runtime.MeshPrimitive meshPrimitive = MeshPrimitive.CreateSinglePlane(includeTextureCoords: false, includeIndices: false);
// Apply the properties that are specific to this gltf.
setProperties(properties, meshPrimitive);
meshPrimitive.Material = new Runtime.Material
{
PbrMetallicRoughness = new PbrMetallicRoughness
{
MetallicFactor = 0
},
};
// Create the gltf object.
return(new Model
{
Properties = properties,
GLTF = CreateGLTF(() => new Scene
{
Nodes = new List <Node>
{
new Node
{
Mesh = new Runtime.Mesh
{
MeshPrimitives = new List <Runtime.MeshPrimitive>
{
meshPrimitive
}
},
},
},
}),
});
}
void SetModePoints(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
var pointPositions = new List <Vector3>();
var cornerPoints = new[]
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(0.5f, -0.5f, 0.0f)
};
for (var corner = 0; corner < 4; corner++)
{
for (float x = 256; x > 0; x--)
{
Vector3 startPoint = cornerPoints[corner];
Vector3 endPoint = cornerPoints[corner + 1];
float fractionOfLine = x / 256f;
pointPositions.Add(GetPointOnLine(startPoint, endPoint, fractionOfLine));
}
}
meshPrimitive.Mode = MeshPrimitiveMode.Points;
meshPrimitive.Positions = Data.Create(pointPositions);
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeLines(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions.Values = new[]
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(0.5f, -0.5f, 0.0f),
};
}
meshPrimitive.Mode = MeshPrimitiveMode.Lines;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeLineLoop(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions.Values = new[]
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
};
}
meshPrimitive.Mode = MeshPrimitiveMode.LineLoop;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeLineStrip(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions.Values = new[]
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.3f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(0.5f, -0.5f, 0.0f),
};
}
meshPrimitive.Mode = MeshPrimitiveMode.LineStrip;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeTriangleStrip(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions.Values = new[]
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
};
}
meshPrimitive.Mode = MeshPrimitiveMode.TriangleStrip;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeTriangleFan(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions.Values = new[]
{
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
};
}
meshPrimitive.Mode = MeshPrimitiveMode.TriangleFan;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetModeTriangles(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
if (meshPrimitive.Indices == null)
{
meshPrimitive.Positions.Values = new[]
{
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, -0.5f, 0.0f),
new Vector3(0.5f, 0.5f, 0.0f),
new Vector3(-0.5f, 0.5f, 0.0f),
};
}
meshPrimitive.Mode = MeshPrimitiveMode.Triangles;
properties.Add(new Property(PropertyName.Mode, meshPrimitive.Mode.ToReadmeString()));
}
void SetIndicesPoints(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
var indices = new List <int>();
var count = meshPrimitive.Positions.Values.Count();
for (int index = 0; index < count; index++)
{
indices.Add(index);
}
meshPrimitive.Indices = Data.Create(indices);
properties.Add(new Property(PropertyName.IndicesValues, $"[0 - {count - 1}]"));
}
void SetIndicesLines(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions.Values = GetSinglePlaneNonReversiblePositions();
meshPrimitive.Indices = Data.Create(new[]
{
0, 3,
3, 2,
2, 1,
1, 0,
});
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.Values.ToReadmeString()));
}
void SetIndicesLineLoop(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions.Values = GetSinglePlaneNonReversiblePositions();
meshPrimitive.Indices = Data.Create(new[] { 0, 3, 2, 1 });
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.Values.ToReadmeString()));
}
void SetIndicesTriangleFan(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions = Data.Create(MeshPrimitive.GetSinglePlanePositions());
meshPrimitive.Indices = Data.Create(new[] { 0, 3, 2, 1 });
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.Values.ToReadmeString()));
}
void SetIndicesLineStrip(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions.Values = GetSinglePlaneNonReversiblePositions();
meshPrimitive.Indices = Data.Create(new[] { 0, 3, 2, 1, 0 });
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.Values.ToReadmeString()));
}
void SetIndicesTriangleStrip(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions = Data.Create(MeshPrimitive.GetSinglePlanePositions());
meshPrimitive.Indices = Data.Create(new[] { 0, 3, 1, 2 });
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.Values.ToReadmeString()));
}
void SetIndicesTriangles(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Positions = Data.Create(MeshPrimitive.GetSinglePlanePositions());
meshPrimitive.Indices = Data.Create(MeshPrimitive.GetSinglePlaneIndices());
properties.Add(new Property(PropertyName.IndicesValues, meshPrimitive.Indices.Values.ToReadmeString()));
}
void SetIndicesComponentTypeInt(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Indices.OutputType = DataType.UnsignedInt;
properties.Add(new Property(PropertyName.IndicesComponentType, meshPrimitive.Indices.OutputType.ToReadmeString()));
}
void SetIndicesComponentTypeByte(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Indices.OutputType = DataType.UnsignedByte;
properties.Add(new Property(PropertyName.IndicesComponentType, meshPrimitive.Indices.OutputType.ToReadmeString()));
}
void SetIndicesComponentTypeShort(List <Property> properties, Runtime.MeshPrimitive meshPrimitive)
{
meshPrimitive.Indices.OutputType = DataType.UnsignedShort;
properties.Add(new Property(PropertyName.IndicesComponentType, meshPrimitive.Indices.OutputType.ToReadmeString()));
}
Models = new List <Model>
{
CreateModel((properties, meshPrimitive) =>
{
SetModePoints(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLines(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLineLoop(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLineStrip(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangleStrip(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangleFan(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangles(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModePoints(properties, meshPrimitive);
SetIndicesPoints(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLines(properties, meshPrimitive);
SetIndicesLines(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLineLoop(properties, meshPrimitive);
SetIndicesLineLoop(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeLineStrip(properties, meshPrimitive);
SetIndicesLineStrip(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangleStrip(properties, meshPrimitive);
SetIndicesTriangleStrip(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangleFan(properties, meshPrimitive);
SetIndicesTriangleFan(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangles(properties, meshPrimitive);
SetIndicesTriangles(properties, meshPrimitive);
SetIndicesComponentTypeInt(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangles(properties, meshPrimitive);
SetIndicesTriangles(properties, meshPrimitive);
SetIndicesComponentTypeByte(properties, meshPrimitive);
}),
CreateModel((properties, meshPrimitive) =>
{
SetModeTriangles(properties, meshPrimitive);
SetIndicesTriangles(properties, meshPrimitive);
SetIndicesComponentTypeShort(properties, meshPrimitive);
}),
};
GenerateUsedPropertiesList();
}
