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C-/C++-Quelltext

template <typename T> void setPerspectiveLH(T FieldOfView, T Aspect, T Near, T Far)
{
            const T h = static_cast<T>(1.0 / tan((FieldOfView * M_PI / 180.0)/2.0));
            const T w = h / Aspect;
            
            M[ 0] = w;
            M[ 1] = 0;
            M[ 2] = 0;
            M[ 3] = 0;
            
            M[ 4] = 0;
            M[ 5] = h;
            M[ 6] = 0;
            M[ 7] = 0;
            
            M[ 8] = 0;
            M[ 9] = 0;
            M[10] = Far/(Far - Near);
            M[11] = 1;
            
            M[12] = 0;
            M[13] = 0;
            M[14] = (-Near*Far)/(Far - Near);
            M[15] = 0;
}

/* ... */

setPerspectiveLH(74.0, 1024.0/768.0, 1.0, 250.0);