Function zLightningUpdate

src/SB/Game/zLightning.cpp:542–601

}

void zLightningUpdate(F32 dt)
{
    S32 i;
    for (i = 0; i < NUM_LIGHTNING; i++)
    {
        if (sLightning[i] != NULL && sLightning[i]->flags & 0x1)
        {
            UpdateLightning(sLightning[i], dt);
        }
    }

    sLFuncUVOffset = 1.0f * dt + sLFuncUVOffset;
    if (sLFuncUVOffset > 1.0f)
    {
        sLFuncUVOffset -= 1.0f;
    }

    sLFuncJerkTime += 20.0f * dt;
    if (!(sLFuncJerkTime > 1.0f))
    {
        return;
    }

    S32 picker = 9.0f * xurand();
    if (picker >= 9)
    {
        picker = 8;
    }
    if (picker < 0)
    {
        picker = 0;
    }

    xVec3Init(&sLFuncVal[picker], 2.0f * (xurand() - 0.5f), 2.0f * (xurand() - 0.5f), 2.0f * (xurand() - 0.5f));
    xVec3Init(&sLFuncSlope[picker][0], 2.0f * (xurand() - 0.5f), 2.0f * (xurand() - 0.5f), 2.0f * (xurand() - 0.5f));
    xVec3Init(&sLFuncSlope[picker][1], 2.0f * (xurand() - 0.5f), 2.0f * (xurand() - 0.5f), 2.0f * (xurand() - 0.5f));

    sLFuncEnd[picker] = 0.25f * (xurand() * 0.5f) + (picker + 1);

    for (S32 j = 0; j <= picker + 1; j++)
    {
        F32 prevEnd;
        if (picker == 0)
        {
            i = 9;
            prevEnd = 0.0f;
        }
        else
        {
            i = picker - 1;
            prevEnd = sLFuncEnd[i];
        }

        xFuncPiece_EndPoints(&sLFuncX[j], prevEnd, sLFuncEnd[j], sLFuncVal[j].x, sLFuncVal[i].x);
        xFuncPiece_EndPoints(&sLFuncY[j], prevEnd, sLFuncEnd[j], sLFuncVal[j].y, sLFuncVal[i].y);
        xFuncPiece_EndPoints(&sLFuncZ[j], prevEnd, sLFuncEnd[j], sLFuncVal[j].z, sLFuncVal[i].z);
    }