Function createSphere

cpp/4_CUDA_Libraries/randomFog/randomFog.cpp:150–192

}

void createSphere(void)
{
    int startVertex = 0;

    for (int i = startVertex; i < g_nVerticesPopulated; i++) {
        float r;
        float rho;
        float theta;

        if (g_currentShape == Sphere) {
            r = g_pRng->getNextU01();
            r = powf(r, 1.f / 3.f);

            for (int j = 0; j < nSkip3; j++) {
                g_pRng->getNextU01();
            }
        }
        else {
            r = 1.0f;
        }

        rho = g_pRng->getNextU01() * PI * 2.0f;

        for (int j = 0; j < nSkip1; j++) {
            g_pRng->getNextU01();
        }

        theta = (g_pRng->getNextU01() * 2.0f) - 1.0f;
        theta = asin(theta);

        for (int j = 0; j < nSkip2; j++) {
            g_pRng->getNextU01();
        }

        g_pVertices[i].x = r * fabs(cos(theta)) * cos(rho);
        g_pVertices[i].y = r * fabs(cos(theta)) * sin(rho);
        g_pVertices[i].z = r * sin(theta);

        g_pVertices[i].r = 1.0f;
        g_pVertices[i].g = 1.0f;
        g_pVertices[i].b = 1.0f;
    }
}

void createAxes(void)
{