Function xSweptSphereToNonMoving

src/SB/Core/x/xCollide.cpp:2325–2357

    xRay3 ray;
    xVec3Copy(&ray.origin, &sws->start);
    xVec3Sub(&ray.dir, &sws->end, &sws->start);
    ray.max_t = xVec3Length(&ray.dir);

    F32 one_len = 1.0f / MAX(ray.max_t, 0.00001f);
    xVec3SMul(&ray.dir, &ray.dir, one_len);

    ray.flags = (XRAY3_USE_MAX);
    if (!(ray.flags & XRAY3_USE_MIN))
    {
        ray.flags |= XRAY3_USE_MIN;
        ray.min_t = 0.0f;
    }

    sSweptSphereIgnoreMovers = 1;
    xRayHitsGrid(&colls_grid, sc, &ray, SweptSphereHitsEntCB, &sws->qcd, sws);
    xRayHitsGrid(&colls_oso_grid, sc, &ray, SweptSphereHitsEntCB, &sws->qcd, sws);
    sSweptSphereIgnoreMovers = 0;

    return sSweptSphereEntFound || envcollfound;
}

bool xSphereHitsBound(const xSphere& o, const xBound& b)
{
    switch (b.type)
    {
    case XBOUND_TYPE_SPHERE:
        return xSphereHitsSphere(o, b.sph);
    case XBOUND_TYPE_BOX:
        return xSphereHitsBox(o, b.box.box);
    case XBOUND_TYPE_OBB:
        return xSphereHitsOBB(o, b.box.box, *b.mat);
    }
    return false;
}

U8 xOBBHitsOBB(const xBox& a, const xMat4x3& amat, const xBox& b, const xMat4x3& bmat)