private void Start()
{
transform.position = UnityEngine.Vector3.zero;
//take vertices and organize them into clockwise triangles to be passed to triangle intersection function
Unity.Mathematics.float3 a = tetrahderonVertices[0];
Unity.Mathematics.float3 b = tetrahderonVertices[1];
Unity.Mathematics.float3 c = tetrahderonVertices[2];
Unity.Mathematics.float3 d = tetrahderonVertices[3];
Unity.Mathematics.float3x3 triangle1 = new Unity.Mathematics.float3x3(a, b, c);
Unity.Mathematics.float3x3 triangle2 = new Unity.Mathematics.float3x3(a, c, d);
Unity.Mathematics.float3x3 triangle3 = new Unity.Mathematics.float3x3(a, d, b);
Unity.Mathematics.float3x3 triangle4 = new Unity.Mathematics.float3x3(b, c, d);
triXC = new System.Collections.Generic.List <TriangleCrossSection>();
BuildTriangle(triangle1, planePos, planeNormal);
BuildTriangle(triangle2, planePos, planeNormal);
BuildTriangle(triangle3, planePos, planeNormal);
BuildTriangle(triangle4, planePos, planeNormal);
gameObject.AddComponent <UnityEngine.MeshRenderer>();
gameObject.AddComponent <UnityEngine.MeshFilter>();
gameObject.GetComponent <MeshRenderer>().material = mat;
}
private void BuildTriangle(Unity.Mathematics.float3x3 vertices, Unity.Mathematics.float3 planePos,
Unity.Mathematics.float3 planeNorm)
{
UnityEngine.GameObject tri1_go = new UnityEngine.GameObject();
tri1_go.transform.parent = this.transform;
tri1_go.AddComponent <TriangleCrossSection>();
triXC.Add(tri1_go.GetComponent <TriangleCrossSection>());
tri1_go.GetComponent <TriangleCrossSection>().triangleVerticies = vertices;
tri1_go.GetComponent <TriangleCrossSection>().planePos = planePos;
tri1_go.GetComponent <TriangleCrossSection>().planeNormal = planeNorm;
tri1_go.GetComponent <TriangleCrossSection>().mat = mat;
}
private void UpdateTriangles()
{
//take vertices and organize them into clockwise triangles to be passed to triangle intersection function
Unity.Mathematics.float3 a = tetrahderonVertices[0];
Unity.Mathematics.float3 b = tetrahderonVertices[1];
Unity.Mathematics.float3 c = tetrahderonVertices[2];
Unity.Mathematics.float3 d = tetrahderonVertices[3];
Unity.Mathematics.float3x3 triangle1 = new Unity.Mathematics.float3x3(a, b, c);
Unity.Mathematics.float3x3 triangle2 = new Unity.Mathematics.float3x3(a, c, d);
Unity.Mathematics.float3x3 triangle3 = new Unity.Mathematics.float3x3(a, d, b);
Unity.Mathematics.float3x3 triangle4 = new Unity.Mathematics.float3x3(b, c, d);
triXC.ForEach(p => p.planePos = planePos);
triXC.ForEach(p => p.planeNormal = planeNormal);
triXC[0].triangleVerticies = triangle1;
triXC[1].triangleVerticies = triangle2;
triXC[2].triangleVerticies = triangle3;
triXC[3].triangleVerticies = triangle4;
}
public double3x3(float3x3 v)
{
this.c0 = v.c0;
this.c1 = v.c1;
this.c2 = v.c2;
}
public static int3x3 int3x3(float3x3 v)
{
return(new int3x3(v));
}
public static uint3 hashwide(float3x3 v)
{
return((asuint(v.c0) * uint3(0xCD0445A5u, 0xD2B90D9Bu, 0xD35C9B2Du) +
asuint(v.c1) * uint3(0xA10D9E27u, 0x568DAAA9u, 0x7530254Fu) +
asuint(v.c2) * uint3(0x9F090439u, 0x5E9F85C9u, 0x8C4CA03Fu)) + 0xB8D969EDu);
}
/// <summary>Returns a float4x4 constructed from a float3x3 rotation matrix and a float3 translation vector.</summary>
public static float4x4 float4x4(float3x3 rotation, float3 translation)
{
return(new float4x4(rotation, translation));
}
public static RigidTransform RigidTransform(float3x3 rotation, float3 translation)
{
return(new RigidTransform(rotation, translation));
}
public AffineTransform(float3x4 m)
{
rs = math.float3x3(m.c0, m.c1, m.c2);
t = m.c3;
}
public static uint3x3 uint3x3(float3x3 v)
{
return(new uint3x3(v));
}
public static float3x3 transpose(float3x3 m)
{
return(float3x3(m.c0.x, m.c0.y, m.c0.z, m.c1.x, m.c1.y, m.c1.z, m.c2.x, m.c2.y, m.c2.z));
}
public static float3x3 mul(float3x3 a, float3x3 b)
{
return(float3x3(mul(a, b.c0), mul(a, b.c1), mul(a, b.c2)));
}
public static float3 mul(float3x3 x, float3 v)
{
return(mad(x.c2, v.z, mad(x.c0, v.x, x.c1 * v.y)));
}
public static uint hash(float3x3 v)
{
return(csum(asuint(v.c0) * uint3(0x4473BBB1u, 0xCBA11D5Fu, 0x685835CFu) +
asuint(v.c1) * uint3(0xC3D32AE1u, 0xB966942Fu, 0xFE9856B3u) +
asuint(v.c2) * uint3(0xFA3A3285u, 0xAD55999Du, 0xDCDD5341u)) + 0x94DDD769u);
}
public static uint3 hash_wide(float3x3 v)
{
return((asuint(v.c0) * uint3(0x84E7E01Bu, 0x8E055BE5u, 0x6E624EB7u) +
asuint(v.c1) * uint3(0x7383ED49u, 0xDD49C23Bu, 0xEBD0D005u) +
asuint(v.c2) * uint3(0x91475DF7u, 0x55E84827u, 0x90A285BBu)) + 0x5D19E1D5u);
}
public AffineTransform(float3x3 rotationScale)
{
rs = rotationScale;
t = float3.zero;
}
public AffineTransform(RigidTransform rigid)
{
rs = math.float3x3(rigid.rot);
t = rigid.pos;
}
public static quaternion quaternion(float3x3 m)
{
return(new quaternion(m));
}
public AffineTransform(float4x4 m)
{
rs = math.float3x3(m.c0.xyz, m.c1.xyz, m.c2.xyz);
t = m.c3.xyz;
}
public static AffineTransform AffineTransform(float3x3 rotationScale)
{
return(new AffineTransform(rotationScale));
}
public RigidTransform(float3x3 rotation, float3 translation)
{
this.rot = new quaternion(rotation);
this.pos = translation;
}
public static AffineTransform mul(float3x3 a, AffineTransform b)
{
return(new AffineTransform(mul(a, b.t), mul(a, b.rs)));
}
public static uint hash(float3x3 v)
{
return(csum(asuint(v.c0) * uint3(0x713BD06Fu, 0x753AD6ADu, 0xD19764C7u) +
asuint(v.c1) * uint3(0xB5D0BF63u, 0xF9102C5Fu, 0x9881FB9Fu) +
asuint(v.c2) * uint3(0x56A1530Du, 0x804B722Du, 0x738E50E5u)) + 0x4FC93C25u);
}
public static AffineTransform mul(AffineTransform a, float3x3 b)
{
return(new AffineTransform(a.t, mul(b, a.rs)));
}
public int3x3(float3x3 v)
{
this.c0 = (int3)v.c0;
this.c1 = (int3)v.c1;
this.c2 = (int3)v.c2;
}
public AffineTransform(float3 translation, quaternion rotation)
{
rs = float3x3(rotation);
t = translation;
}
public static uint hash(float3x3 v)
{
return(csum(asuint(v.c0) * uint3(0x6985C229u, 0xE133B0B3u, 0xC3E0A3B9u) +
asuint(v.c1) * uint3(0xFE31134Fu, 0x712A34D7u, 0x9D77A59Bu) +
asuint(v.c2) * uint3(0x4942CA39u, 0xB40EC62Du, 0x565ED63Fu)) + 0x93C30C2Bu);
}
public AffineTransform(float3 translation, quaternion rotation, float3 scale)
{
rs = mulScale(math.float3x3(rotation), scale);
t = translation;
}
public static double3x3 double3x3(float3x3 v)
{
return(new double3x3(v));
}
public AffineTransform(float3 translation, float3x3 rotationScale)
{
rs = rotationScale;
t = translation;
}