Function loopi

source/src/renderparticles.cpp:46–50

build initial 'hres' sided pyramid

    hemiindices = new GLushort[tris*3];
    hemiverts[heminumverts++] = vec(0.0f, 0.0f, 1.0f); //build initial 'hres' sided pyramid
    loopi(hres)
    {
        float a = PI2*float(i)/hres;
        hemiverts[heminumverts++] = vec(cosf(a), sinf(a), 0.0f);
    }
    loopi(hres) genface(depth, 0, i+1, 1+(i+1)%hres);
}