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Made some triangle progress. DOESN'T COMPILE

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That_One_Nerd 2023-08-21 14:00:44 -04:00
parent f685517d9e
commit 16c067ec3e
1 changed files with 133 additions and 7 deletions
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140
Nerd_STF/Mathematics/Geometry/Triangle.cs
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@ -1,12 +1,138 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Nerd_STF.Mathematics.Geometry;
namespace Nerd_STF.Mathematics.Geometry
public class Triangle : IClosestTo<Float3>, IContains<Float3>,
IFromTuple<Triangle, (Float3 a, Float3 b, Float3 c)>, IPolygon<Triangle>,
ISubdivide<Triangle>, IWithinRange<Triangle>
{
public class Triangle
public float Area
{
get // Heron's Formula
{
float a = AB.Length, b = AC.Length, c = BC.Length,
s = (a + b + c) / 2;
return Mathf.Sqrt(s * (s - a) * (s - b) * (s - c));
}
}
public Float3 Midpoint => Float3.Average(a, b, c);
public float Perimeter => AB.Length + BC.Length + CA.Length;
public Line AB
{
get => (a, b);
set
{
a = value.a;
b = value.b;
}
}
public Line BC
{
get => (b, c);
set
{
b = value.a;
c = value.b;
}
}
public Line CA
{
get => (c, a);
set
{
c = value.a;
a = value.b;
}
}
public Float3 a, b, c;
public Triangle() : this(Float3.Zero, Float3.Zero, Float3.Zero) { }
public Triangle(Float3 a, Float3 b, Float3 c)
{
this.a = a;
this.b = b;
this.c = c;
}
public Triangle(Line ab, Line bc, Line ca)
{
if (ab.b != bc.a || bc.b != ca.a || ca.b != ab.a)
throw new DisconnectedLinesException(ab, bc, ca);
a = ab.a;
b = bc.a;
c = ca.a;
}
public Triangle(float x1, float y1, float x2, float y2, float x3, float y3)
{
a = (x1, y1, 0);
b = (x2, y2, 0);
c = (x3, y3, 0);
}
public Triangle(float x1, float y1, float z1, float x2, float y2, float z2, float x3,
float y3, float z3)
{
a = (x1, y1, z1);
b = (x2, y2, z2);
c = (x3, y3, z3);
}
public Triangle(Fill<Float3> fill) : this(fill(0), fill(1), fill(2)) { }
public Triangle(Fill<Int3> fill) : this(fill(0), fill(1), fill(2)) { }
public Triangle(Fill<float> fill) : this(fill(0), fill(1), fill(2), fill(3), fill(4),
fill(5), fill(6), fill(7), fill(8)) { }
public Triangle(Fill<int> fill) : this(fill(0), fill(1), fill(2), fill(3), fill(4),
fill(5), fill(6), fill(7), fill(8)) { }
public Float3 this[int index]
{
get => index switch
{
0 => a,
1 => b,
2 => c,
_ => throw new IndexOutOfRangeException(nameof(index)),
};
set
{
switch (index)
{
case 0:
a = value;
break;
case 1:
b = value;
break;
case 2:
c = value;
break;
default: throw new IndexOutOfRangeException(nameof(index));
}
}
}
public Float3 this[Index index]
{
get => this[index.IsFromEnd ? 3 - index.Value : index.Value];
set => this[index.IsFromEnd ? 3 - index.Value : index.Value] = value;
}
public Float3[] this[Range range]
{
get
{
int start = range.Start.IsFromEnd ? 3 - range.Start.Value : range.Start.Value;
int end = range.End.IsFromEnd ? 3 - range.End.Value : range.End.Value;
List<Float3> res = new();
for (int i = start; i < end; i++) res.Add(this[i]);
return res.ToArray();
}
set
{
int start = range.Start.IsFromEnd ? 3 - range.Start.Value : range.Start.Value;
int end = range.End.IsFromEnd ? 3 - range.End.Value : range.End.Value;
for (int i = start; i < end; i++) this[i] = value[i];
}
}
public Float3[] GetAllVerts() => new[] { a, b, c };
}