Function zSurfaceUpdate

src/SB/Game/zSurface.cpp:334–486

}

void zSurfaceUpdate(xBase* to, xScene* sc, F32 dt)
{
    F32 timestep_forUV = dt;
    S32 j;
    xSurface* t = (xSurface*)to;
    zSurfaceProps* moprops = (zSurfaceProps*)t->moprops;

    for (j = 0; j < 2; j++)
    {
        if ((j == 0 && (moprops->uvfx_flags & UVANIM_FLAG_ON)) ||
            (j == 1 && (moprops->uvfx_flags & UVANIM_FLAG_ON2)))
        {
            switch (moprops->uvfx[j].mode)
            {
            case 0:
            {
                xVec3 d;

                moprops->uvfx[j].rot += moprops->uvfx[j].rot_spd * dt;
                while (moprops->uvfx[j].rot >= 360.0f)
                    moprops->uvfx[j].rot -= 360.0f;
                while (moprops->uvfx[j].rot < 0.0f)
                    moprops->uvfx[j].rot += 360.0f;

                xVec3SMul(&d, &moprops->uvfx[j].trans_spd, timestep_forUV);
                xVec3Add(&moprops->uvfx[j].trans, &d, &moprops->uvfx[j].trans);
                while (moprops->uvfx[j].trans.x >= 1.0f)
                    moprops->uvfx[j].trans.x -= 1.0f;
                while (moprops->uvfx[j].trans.x < 0.0f)
                    moprops->uvfx[j].trans.x += 1.0f;
                while (moprops->uvfx[j].trans.y >= 1.0f)
                    moprops->uvfx[j].trans.y -= 1.0f;
                while (moprops->uvfx[j].trans.y < 0.0f)
                    moprops->uvfx[j].trans.y += 1.0f;

                xVec3SMul(&d, &moprops->uvfx[j].scale_spd, dt);
                xVec3Add(&moprops->uvfx[j].scale, &d, &moprops->uvfx[j].scale);
                while (moprops->uvfx[j].scale.x >= 8.0f)
                    moprops->uvfx[j].scale.x -= 8.0f;
                while (moprops->uvfx[j].scale.x < 0.0f)
                    moprops->uvfx[j].scale.x += 8.0f;
                while (moprops->uvfx[j].scale.y >= 8.0f)
                    moprops->uvfx[j].scale.y -= 8.0f;
                while (moprops->uvfx[j].scale.y < 0.0f)
                    moprops->uvfx[j].scale.y += 8.0f;

                break;
            }
            case 1:
            {
                moprops->uvfx[j].trans.x = isin(2.0f * gFrameCount * (1.0f/60));
                moprops->uvfx[j].trans.y = isin(2.0f * gFrameCount * (1.0f/60));
                moprops->uvfx[j].scale.x = isin(2.0f * gFrameCount * (1.0f/60));
                moprops->uvfx[j].scale.y = isin(2.0f * gFrameCount * (1.0f/60));
                break;
            }
            case 2:
            {