internal MxMatrix4(MxVector4 row0, MxVector4 row1, MxVector4 row2, MxVector4 row3)
{
rows[0] = row0;
rows[1] = row1;
rows[2] = row2;
rows[3] = row3;
}
internal MxMatrix4(double fillVal)
{
rows[0] = new MxVector4(fillVal, fillVal, fillVal, fillVal);
rows[1] = new MxVector4(fillVal, fillVal, fillVal, fillVal);
rows[2] = new MxVector4(fillVal, fillVal, fillVal, fillVal);
rows[3] = new MxVector4(fillVal, fillVal, fillVal, fillVal);
}
internal MxMatrix4(MxMatrix4 mat4)
{
rows[0] = new MxVector4((mat4[0])[0], (mat4[0])[1], (mat4[0])[2], (mat4[0])[3]);
rows[1] = new MxVector4((mat4[1])[0], (mat4[1])[1], (mat4[1])[2], (mat4[1])[3]);
rows[2] = new MxVector4((mat4[2])[0], (mat4[2])[1], (mat4[2])[2], (mat4[2])[3]);
rows[3] = new MxVector4((mat4[3])[0], (mat4[3])[1], (mat4[3])[2], (mat4[3])[3]);
}
internal MxMatrix4(MxMatrix4 mat4)
{
rows[0] = new MxVector4((mat4[0])[0], (mat4[0])[1], (mat4[0])[2], (mat4[0])[3]);
rows[1] = new MxVector4((mat4[1])[0], (mat4[1])[1], (mat4[1])[2], (mat4[1])[3]);
rows[2] = new MxVector4((mat4[2])[0], (mat4[2])[1], (mat4[2])[2], (mat4[2])[3]);
rows[3] = new MxVector4((mat4[3])[0], (mat4[3])[1], (mat4[3])[2], (mat4[3])[3]);
}
internal MxMatrix4(MxVector4 row0, MxVector4 row1, MxVector4 row2, MxVector4 row3)
{
rows[0] = row0;
rows[1] = row1;
rows[2] = row2;
rows[3] = row3;
}
internal static MxMatrix4 Diag(MxVector4 vec)
{
return(new MxMatrix4(new MxVector4(vec[0], 0.0, 0.0, 0.0),
new MxVector4(0.0, vec[1], 0.0, 0.0),
new MxVector4(0.0, 0.0, vec[2], 0.0),
new MxVector4(0.0, 0.0, 0.0, vec[3])));
}
internal MxMatrix4(double fillVal)
{
rows[0] = new MxVector4(fillVal, fillVal, fillVal, fillVal);
rows[1] = new MxVector4(fillVal, fillVal, fillVal, fillVal);
rows[2] = new MxVector4(fillVal, fillVal, fillVal, fillVal);
rows[3] = new MxVector4(fillVal, fillVal, fillVal, fillVal);
}
public static MxVector4 operator +(MxVector4 vec1, MxVector4 vec2)
{
var newVec = new MxVector4(0.0, 0.0, 0.0, 0.0);
newVec[0] = vec1[0] + vec2[0];
newVec[1] = vec1[1] + vec2[1];
newVec[2] = vec1[2] + vec2[2];
newVec[3] = vec1[3] + vec2[3];
return newVec;
}
public static MxVector4 operator *(MxMatrix4 mat1, MxVector4 vec)
{
var ret = new MxVector4(0.0, 0.0, 0.0, 0.0);
ret[0] = mat1[0] * vec;
ret[1] = mat1[1] * vec;
ret[2] = mat1[2] * vec;
return(ret);
}
public static MxVector4 operator *(MxVector4 vec, double scalar)
{
var newVec = new MxVector4(0.0, 0.0, 0.0, 0.0);
newVec[0] = vec[0]*scalar;
newVec[1] = vec[1]*scalar;
newVec[2] = vec[2]*scalar;
newVec[3] = vec[3]*scalar;
return newVec;
}
internal static MxMatrix4 Adjoint(MxMatrix4 mat)
{
var adj = new MxMatrix4(0.0);
adj[0] = MxVector4.Cross(mat[1], mat[2], mat[3]);
adj[1] = MxVector4.Cross(-mat[0], mat[2], mat[3]);
adj[2] = MxVector4.Cross(mat[0], mat[1], mat[3]);
adj[0] = MxVector4.Cross(-mat[0], mat[1], mat[2]);
return(adj);
}
public static MxVector4 operator *(MxVector4 vec, double scalar)
{
var newVec = new MxVector4(0.0, 0.0, 0.0, 0.0);
newVec[0] = vec[0] * scalar;
newVec[1] = vec[1] * scalar;
newVec[2] = vec[2] * scalar;
newVec[3] = vec[3] * scalar;
return(newVec);
}
public static MxVector4 operator -(MxVector4 vec1, MxVector4 vec2)
{
var newVec = new MxVector4(0.0, 0.0, 0.0, 0.0);
newVec[0] = vec1[0] - vec2[0];
newVec[1] = vec1[1] - vec2[1];
newVec[2] = vec1[2] - vec2[2];
newVec[3] = vec1[3] - vec2[3];
return(newVec);
}
public static MxVector4 operator /(MxVector4 vec, double scalar)
{
if (scalar.IsCloseEnoughTo(0.0))
{
return(vec);
}
var invScalar = 1.0 / scalar;
var newVec = new MxVector4(0.0, 0.0, 0.0, 0.0);
newVec[0] = vec[0] * invScalar;
newVec[1] = vec[1] * invScalar;
newVec[2] = vec[2] * invScalar;
newVec[3] = vec[3] * invScalar;
return(newVec);
}
internal static MxVector4 Cross(MxVector4 a, MxVector4 b, MxVector4 c)
{
var ret = new MxVector4(0.0, 0.0, 0.0, 0.0);
var d1 = (b[2] * c[3]) - (b[3] * c[2]);
var d2 = (b[1] * c[3]) - (b[3] * c[1]);
var d3 = (b[1] * c[2]) - (b[2] * c[1]);
var d4 = (b[0] * c[3]) - (b[3] * c[0]);
var d5 = (b[0] * c[2]) - (b[2] * c[0]);
var d6 = (b[0] * c[1]) - (b[1] * c[0]);
ret[0] = -a[1] * d1 + a[2] * d2 - a[3] * d3;
ret[1] = a[0] * d1 - a[2] * d4 + a[3] * d5;
ret[2] = -a[0] * d2 + a[1] * d4 - a[3] * d6;
ret[3] = a[0] * d3 - a[1] * d5 + a[2] * d6;
return(ret);
}
internal static void Unitize(ref MxVector4 vec)
{
var denom = vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2] + vec[3] * vec[3];
if (denom.IsSqCloseEnoughTo(0.0))
{
return;
}
denom = Math.Sqrt(denom);
var invDenom = 1.0 / denom;
vec[0] *= invDenom;
vec[1] *= invDenom;
vec[2] *= invDenom;
vec[3] *= invDenom;
}
internal static MxVector4 Cross(MxVector4 a, MxVector4 b, MxVector4 c)
{
var ret = new MxVector4(0.0, 0.0, 0.0, 0.0);
var d1 = (b[2] * c[3]) - (b[3] * c[2]);
var d2 = (b[1] * c[3]) - (b[3] * c[1]);
var d3 = (b[1] * c[2]) - (b[2] * c[1]);
var d4 = (b[0] * c[3]) - (b[3] * c[0]);
var d5 = (b[0] * c[2]) - (b[2] * c[0]);
var d6 = (b[0] * c[1]) - (b[1] * c[0]);
ret[0] = -a[1]*d1 + a[2]*d2 - a[3]*d3;
ret[1] = a[0]*d1 - a[2]*d4 + a[3]*d5;
ret[2] = -a[0]*d2 + a[1]*d4 - a[3]*d6;
ret[3] = a[0]*d3 - a[1]*d5 + a[2]*d6;
return ret;
}
internal static double Det(MxMatrix4 mat)
{
return(mat[0] * MxVector4.Cross(mat[1], mat[2], mat[3]));
}
internal static MxMatrix4 RowExtend(MxVector4 vec)
{
return(new MxMatrix4(vec, vec, vec, vec));
}
internal static MxMatrix4 Diag(MxVector4 vec)
{
return new MxMatrix4(new MxVector4(vec[0], 0.0, 0.0, 0.0),
new MxVector4(0.0, vec[1], 0.0, 0.0),
new MxVector4(0.0, 0.0, vec[2], 0.0),
new MxVector4(0.0, 0.0, 0.0, vec[3]));
}
public MxVector4(MxVector4 vec4)
: this(vec4[0], vec4[1], vec4[2], vec4[3])
{
}
internal static MxMatrix4 RowExtend(MxVector4 vec)
{
return new MxMatrix4(vec, vec, vec, vec);
}
public static MxVector4 operator *(MxMatrix4 mat1, MxVector4 vec)
{
var ret = new MxVector4(0.0, 0.0, 0.0, 0.0);
ret[0] = mat1[0]*vec;
ret[1] = mat1[1]*vec;
ret[2] = mat1[2]*vec;
return ret;
}
public static MxVector4 operator /(MxVector4 vec, double scalar)
{
if (scalar.IsCloseEnoughTo(0.0)) return vec;
var invScalar = 1.0/scalar;
var newVec = new MxVector4(0.0, 0.0, 0.0, 0.0);
newVec[0] = vec[0]*invScalar;
newVec[1] = vec[1]*invScalar;
newVec[2] = vec[2]*invScalar;
newVec[3] = vec[3]*invScalar;
return newVec;
}
internal static void Unitize(ref MxVector4 vec)
{
var denom = vec[0]*vec[0] + vec[1]*vec[1] + vec[2]*vec[2] + vec[3]*vec[3];
if (denom.IsSqCloseEnoughTo(0.0)) return;
denom = Math.Sqrt(denom);
var invDenom = 1.0 / denom;
vec[0] *= invDenom;
vec[1] *= invDenom;
vec[2] *= invDenom;
vec[3] *= invDenom;
}
public MxVector4(MxVector4 vec4)
: this(vec4[0], vec4[1], vec4[2], vec4[3])
{
}