static public Mesh CreateCircleOutline(float width, int number_vertexs)
{
Mesh mesh = new Mesh();
int ring_vertexs = number_vertexs / 2;
mesh.vertices = Floats.Line(0.0f, 360.0f, ring_vertexs, true)
.Convert(a => Vector2Extensions.CreateDirectionFromDegrees(a).GetSpacar() * 0.5f)
.Append(
Floats.Line(0.0f, 360.0f, ring_vertexs, true)
.Convert(a => Vector2Extensions.CreateDirectionFromDegrees(a).GetSpacar() * (0.5f - width))
)
.ToArray();
mesh.triangles = Ints.Range(0, ring_vertexs, false)
.ConvertConnections((p1, p2) =>
Enumerable.New(
p1 + ring_vertexs, p2, p1,
p1 + ring_vertexs, p2 + ring_vertexs, p2
)
)
.ToArray();
mesh.RecalculateNormals();
mesh.RecalculateBounds();
return(mesh);
}
static public void CalculateTrianglesAsSequentialQuads(this Mesh item)
{
item.triangles = Ints.Range(0, item.vertexCount, 4, false)
.Convert(i => Enumerable.New(i, i + 1, i + 2, i, i + 2, i + 3))
.Flatten()
.ToArray();
}
protected override LayerMask DrawBuiltInInternal(Rect rect, GUIContent label, LayerMask value)
{
return(EditorGUI.MaskField(
rect,
label,
value.value,
Ints.Range(0, 31, true).Convert(i => LayerMask.LayerToName(i)).ToArray()
));
}
static public Mesh MakeFlatMesh(this IEnumerable <Triangle3> item)
{
Mesh mesh = new Mesh();
mesh.vertices = item.Convert(t => t.GetPoints()).Flatten().ToArray();
mesh.triangles = Ints.Range(0, mesh.vertexCount, false).ToArray();
mesh.RecalculateBounds();
mesh.RecalculateNormals();
return(mesh);
}
static public Mesh BuildFlatMesh(this MeshBuilder item)
{
Mesh mesh = new Mesh();
Vector3[] vertexs = item.GetVertexs().AtIndexs(item.GetIndexs()).ToArray();
mesh.vertices = vertexs;
mesh.triangles = Ints.Range(0, vertexs.Length, false).ToArray();
mesh.RecalculateNormals();
mesh.RecalculateBounds();
return(mesh);
}
static public IEnumerable <OctoMask> GetAll()
{
return(Ints.Range(0, ByteBits.ALL_BITS, true).Convert(b => new OctoMask((byte)b)));
}
public void TailTest()
{
Assert2.SequenceEqual(Ints.Range(10, 100), Ints.Range(9, 100).Tail());
}
static public void CalculateTrianglesAsFan(this Mesh item)
{
item.triangles = Ints.Range(1, item.vertexCount, false)
.ConvertConnections((p1, p2) => Enumerable.New(0, p2, p1))
.ToArray();
}
static public void CalculateTrianglesAsSequential(this Mesh item)
{
item.triangles = Ints.Range(0, item.vertexCount, false)
.ToArray();
}