Function sphereHitsEnv3CB

src/SB/Core/gc/iCollide.cpp:265–454

}

static RpCollisionTriangle* sphereHitsEnv3CB(RpIntersection* isx, RpWorldSector* sector,
                                             RpCollisionTriangle* tri, F32 dist, void* data)
{
    xCollis* colls = (xCollis*)data;
    F32 radius = isx->t.line.end.x;
    xVec3* center = (xVec3*)&isx->t.line.start;
    xVec3 tohit;
    xVec3 hdng;
    U8 idx = 0;
    F32 dot;
    F32 odot;
    F32 ndot;
    F32 scale;

    dist = FLOAT_MAX;
    properSphereIsectTri(center, radius, &tohit, &dist, tri);
    if (0.0f == dist)
    {
        return tri;
    }
    if (dist > radius)
    {
        return tri;
    }

    if (SQR(tohit.x) + SQR(tohit.y) > SQR(tohit.y))
    {
        idx = FLOOR;
        if (FLOOR == 0xff)
        {
            idx = cbnumcs;
            FLOOR = cbnumcs;
            cbnumcs++;
        }
        else if (tohit.y < 0.0f)
        {
            if (colls[idx].hdng.y > 0.0f ||
                (colls[idx].dist > dist &&
                 (iabs(dist - colls[idx].dist) < 0.001f && tri->normal.y > colls[idx].norm.y)))
            {
                idx = FLOOR;
            }
            else
            {
                return tri;
            }
        }
        else
        {
            if (colls[idx].hdng.y > 0.0f ||
                (colls[idx].dist > dist &&
                 (iabs(dist - colls[idx].dist) < 0.001f && tri->normal.y > colls[idx].norm.y)))
            {
                idx = FLOOR;
            }
            else
            {
                return tri;