48 lines
1.1 KiB
C#
48 lines
1.1 KiB
C#
using System.Collections.Generic;
|
|
using System.Numerics;
|
|
using MoonTools.Core.Structs;
|
|
|
|
internal unsafe struct SimplexVertexBuffer
|
|
{
|
|
private const int Size = 35;
|
|
|
|
public int Length { get; private set; }
|
|
|
|
public SimplexVertexBuffer(IEnumerable<Position2D> positions)
|
|
{
|
|
var i = 0;
|
|
foreach (var position in positions)
|
|
{
|
|
if (i == Size) { break; }
|
|
var vertex = position.ToVector2();
|
|
_simplexXBuffer[i] = vertex.X;
|
|
_simplexYBuffer[i] = vertex.Y;
|
|
i++;
|
|
}
|
|
Length = i;
|
|
}
|
|
|
|
public Vector2 this[int key]
|
|
{
|
|
get => new Vector2(_simplexXBuffer[key], _simplexYBuffer[key]);
|
|
private set
|
|
{
|
|
_simplexXBuffer[key] = value.X;
|
|
_simplexYBuffer[key] = value.Y;
|
|
}
|
|
}
|
|
|
|
public void Insert(int index, Vector2 value)
|
|
{
|
|
for (var i = Length; i > index; i--)
|
|
{
|
|
this[i] = this[i - 1];
|
|
}
|
|
this[index] = value;
|
|
Length++;
|
|
}
|
|
|
|
private fixed float _simplexXBuffer[Size];
|
|
private fixed float _simplexYBuffer[Size];
|
|
}
|