public idMat4 InverseFast()
{
idMat4 invMat = this;
bool r = invMat.InverseFastSelf();
Debug.Assert(r);
return(invMat);
}
public idMat4 opAdd(ref idMat4 a)
{
idVec4[] a_mat = a.mat;
mat[0].x += a_mat[0].x; mat[0].y += a_mat[0].y; mat[0].z += a_mat[0].z; mat[0].w += a_mat[0].w;
mat[1].x += a_mat[1].x; mat[1].y += a_mat[1].y; mat[1].z += a_mat[1].z; mat[1].w += a_mat[1].w;
mat[2].x += a_mat[2].x; mat[2].y += a_mat[2].y; mat[2].z += a_mat[2].z; mat[2].w += a_mat[2].w;
mat[3].x += a_mat[3].x; mat[3].y += a_mat[3].y; mat[3].z += a_mat[3].z; mat[3].w += a_mat[3].w;
return(this);
}
public idMat4 opSub(ref idMat4 a)
{
idVec4[] a_mat = a.mat;
mat[0].x -= a_mat[0].x; mat[0].y -= a_mat[0].y; mat[0].z -= a_mat[0].z; mat[0].w -= a_mat[0].w;
mat[1].x -= a_mat[1].x; mat[1].y -= a_mat[1].y; mat[1].z -= a_mat[1].z; mat[1].w -= a_mat[1].w;
mat[2].x -= a_mat[2].x; mat[2].y -= a_mat[2].y; mat[2].z -= a_mat[2].z; mat[2].w -= a_mat[2].w;
mat[3].x -= a_mat[3].x; mat[3].y -= a_mat[3].y; mat[3].z -= a_mat[3].z; mat[3].w -= a_mat[3].w;
return(this);
}
public idMat4 Transpose()
{
idMat4 transpose = new idMat4();
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
transpose[i][j] = mat[j][i];
}
}
return(transpose);
}
public bool Compare(ref idMat4 a, float epsilon)
{
float[] ptr1 = mat;
float[] ptr2 = a.mat;
for (int i = 0; i < 4 * 4; i++)
{
if (idMath.Fabs(ptr1[i] - ptr2[i]) > epsilon)
{
return(false);
}
}
return(true);
}
public bool Compare(ref idMat4 a)
{
float[] ptr1 = mat;
float[] ptr2 = a.mat;
for (int i = 0; i < 4 * 4; i++)
{
if (ptr1[i] != ptr2[i])
{
return(false);
}
}
return(true);
}
public static idMat4 operator *(idMat4 a, idMat4 b)
{
// m1Ptr = reinterpret_cast<const float *>(this);
// m2Ptr = reinterpret_cast<const float *>(&a);
// dstPtr = reinterpret_cast<float *>(&dst);
idMat4 dst = new idMat4();
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
// *dstPtr = m1Ptr[0] * m2Ptr[ 0 * 4 + j ]
// + m1Ptr[1] * m2Ptr[ 1 * 4 + j ]
// + m1Ptr[2] * m2Ptr[ 2 * 4 + j ]
// + m1Ptr[3] * m2Ptr[ 3 * 4 + j ];
// dstPtr++;
}
// m1Ptr += 4;
}
return(dst);
}
public idMat4 opMul(ref idMat4 a)
{
this = this * a;
return(this);
}
public bool Compare(ref idMat4 a, float epsilon)
{
float[] ptr1 = mat;
float[] ptr2 = a.mat;
for (int i = 0; i < 4 * 4; i++)
if (idMath.Fabs(ptr1[i] - ptr2[i]) > epsilon)
return false;
return true;
}
public idMat4 Transpose()
{
idMat4 transpose = new idMat4();
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++)
transpose[i][j] = mat[j][i];
return transpose;
}
public bool Compare(ref idMat4 a)
{
float[] ptr1 = mat;
float[] ptr2 = a.mat;
for (int i = 0; i < 4 * 4; i++)
if (ptr1[i] != ptr2[i])
return false;
return true;
}
public idMat4 opSub(ref idMat4 a)
{
idVec4[] a_mat = a.mat;
mat[0].x -= a_mat[0].x; mat[0].y -= a_mat[0].y; mat[0].z -= a_mat[0].z; mat[0].w -= a_mat[0].w;
mat[1].x -= a_mat[1].x; mat[1].y -= a_mat[1].y; mat[1].z -= a_mat[1].z; mat[1].w -= a_mat[1].w;
mat[2].x -= a_mat[2].x; mat[2].y -= a_mat[2].y; mat[2].z -= a_mat[2].z; mat[2].w -= a_mat[2].w;
mat[3].x -= a_mat[3].x; mat[3].y -= a_mat[3].y; mat[3].z -= a_mat[3].z; mat[3].w -= a_mat[3].w;
return this;
}
public idMat4 opAdd(ref idMat4 a)
{
idVec4[] a_mat = a.mat;
mat[0].x += a_mat[0].x; mat[0].y += a_mat[0].y; mat[0].z += a_mat[0].z; mat[0].w += a_mat[0].w;
mat[1].x += a_mat[1].x; mat[1].y += a_mat[1].y; mat[1].z += a_mat[1].z; mat[1].w += a_mat[1].w;
mat[2].x += a_mat[2].x; mat[2].y += a_mat[2].y; mat[2].z += a_mat[2].z; mat[2].w += a_mat[2].w;
mat[3].x += a_mat[3].x; mat[3].y += a_mat[3].y; mat[3].z += a_mat[3].z; mat[3].w += a_mat[3].w;
return this;
}
public idMat4 opMul(ref idMat4 a)
{
this = this * a;
return this;
}
public static idMat4 operator *(idMat4 a, idMat4 b)
{
// m1Ptr = reinterpret_cast<const float *>(this);
// m2Ptr = reinterpret_cast<const float *>(&a);
// dstPtr = reinterpret_cast<float *>(&dst);
idMat4 dst = new idMat4();
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
// *dstPtr = m1Ptr[0] * m2Ptr[ 0 * 4 + j ]
// + m1Ptr[1] * m2Ptr[ 1 * 4 + j ]
// + m1Ptr[2] * m2Ptr[ 2 * 4 + j ]
// + m1Ptr[3] * m2Ptr[ 3 * 4 + j ];
// dstPtr++;
}
// m1Ptr += 4;
}
return dst;
}