Function sphereHitsEnvCB

src/SB/Core/gc/iCollide.cpp:206–263

}

RpCollisionTriangle* sphereHitsEnvCB(RpIntersection* isx, RpWorldSector* sector,
                                     RpCollisionTriangle* tri, F32 dist, void* data)
{
    xCollis* coll = (xCollis*)data;
    F32 radius = isx->t.line.end.x;
    xVec3* center;
    xVec3 tohit;
    F32 scale;

    if (coll->flags == 0)
    {
        coll->flags |= 1;
        return NULL;
    }

    dist = FLOAT_MAX;
    properSphereIsectTri((xVec3*)&isx->t.line.start, radius, &tohit, &dist, tri);

    if (dist < 0.0f)
    {
        return tri;
    }
    if (0.0f == dist)
    {
        return tri;
    }
    if (dist >= radius)
    {
        return tri;
    }
    if (dist >= coll->dist)
    {
        return tri;
    }

    coll->dist = dist;
    if (coll->flags & 0x200)
    {
        xVec3Copy(&coll->norm, (xVec3*)&tri->normal);
    }
    if (coll->flags & 0x400)
    {
        xVec3Copy(&coll->tohit, &tohit);
    }
    if (coll->flags & 0x800)
    {
        scale = 1.0f - (radius / coll->dist);
        scale -= 1e-5f;
        xVec3Copy(&coll->depen, &tohit);
        xVec3SMulBy(&coll->depen, scale);
    }
    if (coll->flags & 0x1000)
    {
        xVec3Normalize(&coll->hdng, &tohit);
    }
    coll->flags |= 1;
    return tri;
}