Exemplos de vmad em C++ (Cpp)

Exemplo n.º 1

Arquivo: view.c Projeto: jpeak5/csc4356

void view_step(view *V, double dt)
{
    double I[16], v[3];

    assert(V);

    /* Compute the world-space velocity vector. */

    state_inverse(I, view_curr(V));
    vtransform(v, I, V->v);

    /* Integrate the new position along this vector. */

    vmad(view_curr(V)->p, view_curr(V)->p, v, dt);
}

Exemplo n.º 2

Arquivo: sph-model.cpp Projeto: TheNumenorean/calvr_plugins

void sph_model::zoom(double *w, const double *v)
{
    double d = vdot(v, zoomv);
    
    if (-1 < d && d < 1)
    {
        double b = scale(zoomk, acos(d) / M_PI) * M_PI;
                
        double y[3];
        double x[3];
        
        vcrs(y, v, zoomv);
        vnormalize(y, y);
        vcrs(x, zoomv, y);
        vnormalize(x, x);
        
        vmul(w, zoomv, cos(b));
        vmad(w, w,  x, sin(b));
    }
    else vcpy(w, v);
}