Class Mesh
A triangle mesh.
Inheritance
Inherited Members
Namespace: Elements.Geometry
Assembly: Hypar.Elements.dll
Syntax
[JsonConverter(typeof(MeshConverter))]
public class MeshConstructors
Mesh()
Construct an empty mesh.
Declaration
public Mesh()Mesh(Mesh)
Create a new mesh from another mesh by copying vertices and triangles.
Declaration
public Mesh(Mesh mesh)Parameters
| Type | Name | Description |
|---|---|---|
| Mesh | mesh |
Mesh(IList<Vertex>, IList<Triangle>)
Construct a mesh.
Declaration
[JsonConstructor]
public Mesh(IList<Vertex> vertices, IList<Triangle> triangles)Parameters
| Type | Name | Description |
|---|---|---|
| System.Collections.Generic.IList<Vertex> | vertices | The vertices of the mesh. |
| System.Collections.Generic.IList<Triangle> | triangles | The triangles of the mesh. |
Properties
BoundingBox
The mesh's bounding box.
Declaration
public BBox3 BoundingBox { get; }Property Value
| Type | Description |
|---|---|
| BBox3 |
Triangles
The mesh's triangles.
Declaration
[JsonProperty("Triangles", Required = Required.DisallowNull, NullValueHandling = NullValueHandling.Ignore)]
public IList<Triangle> Triangles { get; set; }Property Value
| Type | Description |
|---|---|
| System.Collections.Generic.IList<Triangle> |
Vertices
The mesh's vertices.
Declaration
[JsonProperty("Vertices", Required = Required.DisallowNull, NullValueHandling = NullValueHandling.Ignore)]
public IList<Vertex> Vertices { get; set; }Property Value
| Type | Description |
|---|---|
| System.Collections.Generic.IList<Vertex> |
Methods
AddTriangle(Triangle)
Add a triangle to the mesh.
Declaration
public Triangle AddTriangle(Triangle t)Parameters
| Type | Name | Description |
|---|---|---|
| Triangle | t | The triangle to add. |
Returns
| Type | Description |
|---|---|
| Triangle |
AddTriangle(Vertex, Vertex, Vertex)
Add a triangle to the mesh.
Declaration
public Triangle AddTriangle(Vertex a, Vertex b, Vertex c)Parameters
| Type | Name | Description |
|---|---|---|
| Vertex | a | The first vertex. |
| Vertex | b | The second vertex. |
| Vertex | c | The third vertex. |
Returns
| Type | Description |
|---|---|
| Triangle |
AddVertex(Vector3, UV, Vector3, Color, Boolean, Double)
Add a vertex to the mesh.
Declaration
public Vertex AddVertex(Vector3 position, UV uv = default(UV), Vector3 normal = default(Vector3), Color color = default(Color), bool merge = false, double edgeAngle = 30)Parameters
| Type | Name | Description |
|---|---|---|
| Vector3 | position | The position of the vertex. |
| UV | uv | The texture coordinate of the vertex. |
| Vector3 | normal | The vertex's normal. |
| Color | color | The vertex's color. |
| System.Boolean | merge | If true, and a vertex already exists with a position within Vector3.EPSILON, that vertex will be returned. |
| System.Double | edgeAngle | If merge is true, vertices will be merged if the angle between them is less than edgeAngle. |
Returns
| Type | Description |
|---|---|
| Vertex | The newly created vertex. |
AddVertex(Vertex)
Add a vertex to the mesh.
Declaration
public Vertex AddVertex(Vertex v)Parameters
| Type | Name | Description |
|---|---|---|
| Vertex | v | The vertex to add. |
Returns
| Type | Description |
|---|---|
| Vertex |
ComputeNormals()
Compute the vertex normals by averaging the normals of the incident faces.
Declaration
public void ComputeNormals()FromSTL(String, Units.LengthUnit)
Construct a mesh from an STL file.
Declaration
public static Mesh FromSTL(string stlPath, Units.LengthUnit unit = Units.LengthUnit.Millimeter)Parameters
| Type | Name | Description |
|---|---|---|
| System.String | stlPath | The path to the STL file. |
| Units.LengthUnit | unit | The length unit used in the file. |
Returns
| Type | Description |
|---|---|
| Mesh |
GetBuffers()
Get all buffers required for rendering.
Declaration
public GraphicsBuffers GetBuffers()Returns
| Type | Description |
|---|---|
| GraphicsBuffers |
GetNakedBoundaries()
Get the naked edges of this mesh as polylines
Declaration
public List<Polyline> GetNakedBoundaries()Returns
| Type | Description |
|---|---|
| System.Collections.Generic.List<Polyline> |
GetNakedEdges()
Get the open edges of this mesh.
Declaration
public List<Line> GetNakedEdges()Returns
| Type | Description |
|---|---|
| System.Collections.Generic.List<Line> |
Intersects(Ray, out Vector3)
Does the provided ray intersect this mesh mesh?
Declaration
public bool Intersects(Ray ray, out Vector3 intersection)Parameters
| Type | Name | Description |
|---|---|---|
| Ray | ray | The Ray to intersect. |
| Vector3 | intersection | The location of intersection. |
Returns
| Type | Description |
|---|---|
| System.Boolean | True if an intersection result occurs. False if no intersection occurs. |
RemoveTriangle(Triangle)
Removes the specified triangle from the mesh and updates the vertex-triangle relationships.
Declaration
public void RemoveTriangle(Triangle face)Parameters
| Type | Name | Description |
|---|---|---|
| Triangle | face | The triangle to remove. |
Sphere(Double, Int32)
A mesh sphere.
Declaration
public static Mesh Sphere(double radius, int divisions = 10)Parameters
| Type | Name | Description |
|---|---|---|
| System.Double | radius | The radius of the sphere. |
| System.Int32 | divisions | The number of tessellations of the sphere. |
Returns
| Type | Description |
|---|---|
| Mesh | A mesh. |
ToString()
Get a string representation of the mesh.
Declaration
public override string ToString()Returns
| Type | Description |
|---|---|
| System.String |
Overrides
Volume()
Calculate the volume of the mesh. This value will be inexact for open meshes.
Declaration
public double Volume()Returns
| Type | Description |
|---|---|
| System.Double | The volume of the mesh. |