Function xMat3x3RotC

src/SB/Core/x/xMath3.cpp:299–329

}

void xMat3x3RotC(xMat3x3* m, F32 _x, F32 _y, F32 _z, F32 t)
{
    F32 sin;
    F32 cos;
    F32 c;

    if (t == 0.0f)
    {
        xMat3x3Identity(m);
        return;
    }

    cos = icos(t);
    sin = isin(t);

    c = 1.0f - cos;

    m->right.x = (c * _x * _x) + cos;
    m->right.y = (sin * _z) + (c * _x * _y);
    m->right.z = (-sin * _y) + (c * _z * _x);

    m->up.x = (-sin * _z) + (c * _x * _y);
    m->up.y = (c * _y * _y) + cos;
    m->up.z = (sin * _x) + (c * _y * _z);

    m->at.x = (sin * _y) + (c * _z * _x);
    m->at.y = (-sin * _x) + (c * _y * _z);
    m->at.z = (c * _z * _z) + cos;

    m->flags = 0;
}

void xMat3x3RotX(xMat3x3* m, F32 t)
{