/// <summary>Constructs a float3x3 matrix from a unit quaternion.</summary>
public float3x3(quaternion q)
{
float4 v = q.value;
float4 v2 = v + v;
uint3 npn = uint3(0x80000000, 0x00000000, 0x80000000);
uint3 nnp = uint3(0x80000000, 0x80000000, 0x00000000);
uint3 pnn = uint3(0x00000000, 0x80000000, 0x80000000);
c0 = v2.y * asfloat(asuint(v.yxw) ^ npn) - v2.z * asfloat(asuint(v.zwx) ^ pnn) + float3(1, 0, 0);
c1 = v2.z * asfloat(asuint(v.wzy) ^ nnp) - v2.x * asfloat(asuint(v.yxw) ^ npn) + float3(0, 1, 0);
c2 = v2.x * asfloat(asuint(v.zwx) ^ pnn) - v2.y * asfloat(asuint(v.wzy) ^ nnp) + float3(0, 0, 1);
/*
* // TODO: This should be better, but it isn't currently because the input quaternion ends being loaded as scalars for some reason.
* // Test again later.
* float4 xv2 = v.x * v2;
* float4 yv2 = v.y * v2;
* float4 zv2 = v.z * v2;
* float4 wv2 = v.w * v2;
* uint3 npn = uint3(0x80000000, 0x00000000, 0x80000000);
* uint3 nnp = uint3(0x80000000, 0x80000000, 0x00000000);
* uint3 pnn = uint3(0x00000000, 0x80000000, 0x80000000);
* c0 = asfloat(asuint(yv2.yxw) ^ npn) - asfloat(asuint(zv2.zwx) ^ pnn) + float3(1, 0, 0);
* c1 = asfloat(asuint(zv2.wzy) ^ nnp) - asfloat(asuint(xv2.yxw) ^ npn) + float3(0, 1, 0);
* c2 = asfloat(asuint(xv2.zwx) ^ pnn) - asfloat(asuint(yv2.wzy) ^ nnp) + float3(0, 0, 1);
*/
/*
* // handles scale
* float dt = dot(v,v);
* uint3 npn = uint3(0x80000000, 0x00000000, 0x80000000);
* uint3 nnp = uint3(0x80000000, 0x80000000, 0x00000000);
* uint3 pnn = uint3(0x00000000, 0x80000000, 0x80000000);
* c0 = v2.y * asfloat(asuint(v.yxw) ^ npn) - v2.z * asfloat(asuint(v.zwx) ^ pnn);
* c1 = v2.z * asfloat(asuint(v.wzy) ^ nnp) - v2.x * asfloat(asuint(v.yxw) ^ npn);
* c2 = v2.x * asfloat(asuint(v.zwx) ^ pnn) - v2.y * asfloat(asuint(v.wzy) ^ nnp);
*/
}
public uint3x3(double3x3 v)
{
this.c0 = (uint3)v.c0;
this.c1 = (uint3)v.c1;
this.c2 = (uint3)v.c2;
}
public int3(uint3 v)
{
this.x = (int)v.x;
this.y = (int)v.y;
this.z = (int)v.z;
}
public uint3x2(double v)
{
this.c0 = (uint3)v;
this.c1 = (uint3)v;
}
public uint3x2(float v)
{
this.c0 = (uint3)v;
this.c1 = (uint3)v;
}
public static uint3x2 uint3x2(uint3 c0, uint3 c1)
{
return(new uint3x2(c0, c1));
}
public uint3x2(uint v)
{
this.c0 = v;
this.c1 = v;
}
public uint3x2(double3x2 v)
{
this.c0 = (uint3)v.c0;
this.c1 = (uint3)v.c1;
}
public uint3x3(uint v)
{
this.c0 = v;
this.c1 = v;
this.c2 = v;
}
public uint3x3(uint3 c0, uint3 c1, uint3 c2)
{
this.c0 = c0;
this.c1 = c1;
this.c2 = c2;
}
public static uint3x4 uint3x4(uint3 c0, uint3 c1, uint3 c2, uint3 c3)
{
return(new uint3x4(c0, c1, c2, c3));
}
public static uint hash(uint3 v)
{
return(csum(v * uint3(0x91D13847u, 0x52F7230Fu, 0xCF286E83u)) + 0xE121E6ADu);
}
public DebuggerProxy(uint3 v)
{
x = v.x;
y = v.y;
z = v.z;
}
public static uint hash(uint3 v)
{
return(csum(v * uint3(0x7BE39F3Bu, 0xFAB9913Fu, 0xB4501269u)) + 0xE04B89FDu);
}
public uint3x3(bool v)
{
this.c0 = math.select(new uint3(0u), new uint3(1u), v);
this.c1 = math.select(new uint3(0u), new uint3(1u), v);
this.c2 = math.select(new uint3(0u), new uint3(1u), v);
}
public uint3x3(int v)
{
this.c0 = (uint3)v;
this.c1 = (uint3)v;
this.c2 = (uint3)v;
}
public DebuggerProxy(uint3 vec)
{
x = vec.x;
y = vec.y;
z = vec.z;
}
public static uint3x3 uint3x3(uint3 c0, uint3 c1, uint3 c2)
{
return(new uint3x3(c0, c1, c2));
}
public uint3x2(uint3 c0, uint3 c1)
{
this.c0 = c0;
this.c1 = c1;
}
public uint3x3(float3x3 v)
{
this.c0 = (uint3)v.c0;
this.c1 = (uint3)v.c1;
this.c2 = (uint3)v.c2;
}
public uint3x2(bool3x2 v)
{
this.c0 = math.select(new uint3(0u), new uint3(1u), v.c0);
this.c1 = math.select(new uint3(0u), new uint3(1u), v.c1);
}
public uint3 NextUInt3(uint3 max)
{
return(uint3((uint)(NextState() * (ulong)max.x >> 32),
(uint)(NextState() * (ulong)max.y >> 32),
(uint)(NextState() * (ulong)max.z >> 32)));
}
public uint3x2(int v)
{
this.c0 = (uint3)v;
this.c1 = (uint3)v;
}
public static uint csum(uint3 a)
{
return(a.x + a.y + a.z);
}
public uint3x2(float3x2 v)
{
this.c0 = (uint3)v.c0;
this.c1 = (uint3)v.c1;
}
public static float3 float3(uint3 v)
{
return(new float3(v));
}
public static int3 int3(uint3 v)
{
return(new int3(v));
}
public float3(uint3 v)
{
this.x = v.x;
this.y = v.y;
this.z = v.z;
}
public static uint3 uint3(uint3 xyz)
{
return(new uint3(xyz));
}
public double3(uint3 v)
{
this.x = v.x;
this.y = v.y;
this.z = v.z;
}
