天气控制

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// 天气类型 =1，晴天 =2，阴天 =3，雾天 =4，雨天 =5，雪天

void postWeather()
{
        //float fval, s, c;
    static float angle = 0.0f;
    char str[256], *cp = getenv("MPI_LOCATE_VEGA_PRIME");

    switch (m_curWeatherIdx)
{

    case 1: // default settings
        m_env->setVisibilityColor(1.0f, 1.0f, 1.0f, 1.0f);
        m_env->setVisibilityRangeOpaque(60000.0f);
        m_sun->setHorizonColor(1.0f, 0.545f, 0.239f, 1.0f);
        m_skyDome->setGroundColor(0.2117f, 0.286f, 0.15f, 1.0f);
                   if (vpEnvGlobals::instance()->getSkyLightEnable()))
        {
            m_cloudLayer->setCoverageScale(0.26f);
            m_cloudLayer->setTextureTiling(2.0f, 2.0f);
            m_cloudLayer->setColor(0.3f, 0.3f, 0.3f, 1.0f);

        }
        else
        {
            sprintf(str, "%s/config/vegaprime/vpenv/cloud_scattered.inta", cp);
            m_cloudLayer->setTextureFile(str);
            m_cloudLayer->setTextureTiling(3.0f, 3.0f);
            m_cloudLayer->setColor(0.96f, 0.98f, 0.98f, 1.0f);
        }
        m_cloudLayer->setElevation(3000.0f, 5000.0f);
        m_cloudLayer->setTransitionRange(500.0f, 500.0f);
        m_wind->setSpeed(100.0f);
        m_snow->setEnable(false);
        m_rain->setEnable(false);
        break;
    case 2: // clear day, sparse clouds
        m_env->setVisibilityColor(1.0f, 1.0f, 1.0f, 1.0f);
        m_env->setVisibilityRangeOpaque(100000.0f);
        m_sun->setHorizonColor(1.0f, 0.6f, 0.29f, 1.0f);
        m_skyDome->setGroundColor(0.33f, 0.29f, 0.15f, 1.0f);
                   if (vpEnvGlobals::instance()->getSkyLightEnable())
        {

            m_cloudLayer->setCoverageScale(0.1f);
        }
        else

        {
            sprintf(str, "%s/config/vegaprime/vpenv/cloud_few.inta", cp);
            m_cloudLayer->setTextureFile(str);
            m_cloudLayer->setTextureTiling(5.0f, 5.0f);
            m_cloudLayer->setColor(0.96f, 0.98f, 0.98f, 1.0f);
        }
        m_cloudLayer->setElevation(3000.0f, 5000.0f);
        m_cloudLayer->setTransitionRange(500.0f, 500.0f);
        m_wind->setSpeed(15.0f);
        m_snow->setEnable(false);
        m_rain->setEnable(false);
        break;

    case 3: // overcast with fog

        m_env->setVisibilityColor(0.75f, 0.75f, 0.75f, 1.0f);

        m_env->setVisibilityRangeOpaque(5000.0f);
        m_sun->setHorizonColor(1.0f, 0.6f, 0.29f, 1.0f);
        m_skyDome->setGroundColor(0.8f, 0.82f, 0.83f, 1.0f);
                   if (vpEnvGlobals::instance()->getSkyLightEnable())
        {

            m_cloudLayer->setCoverageScale(0.5f);
        }
        else
        {
            sprintf(str, "%s/config/vegaprime/vpenv/cloud_overcast.inta", cp);
            m_cloudLayer->setTextureFile(str);
            m_cloudLayer->setTextureTiling(3.0f, 3.0f);
            m_cloudLayer->setColor(0.69f, 0.75f, 0.77f, 1.0f);
        }

m_cloudLayer->setElevation(500.0f, 3000.0f);

m_cloudLayer->setTransitionRange(500.0f, 500.0f);
m_wind->setSpeed(0.0f);

        m_snow->setEnable(false);
        m_rain->setEnable(false);
        break;
    case 4: // stormy, high wind,rain; L4 p0 m0 y) w4 f& Y7 D# [
        m_env->setVisibilityColor(0.40f, 0.43f, 0.45f, 1.0f);
        m_env->setVisibilityRangeOpaque(50000.0f);
        m_sun->setHorizonColor(0.65f, 0.45f, 0.25f, 1.0f);
        m_skyDome->setGroundColor(0.33f, 0.29f, 0.15f, 1.0f);
                   if (vpEnvGlobals::instance()->getSkyLightEnable())

{

            m_cloudLayer->setCoverageScale(0.4f);
        }
        else
        {
            sprintf(str, "%s/config/vegaprime/vpenv/cloud_storm.inta", cp);
            m_cloudLayer->setTextureFile(str);
            m_cloudLayer->setTextureTiling(3.0f, 3.0f);
            m_cloudLayer->setColor(0.52f, 0.56f, 0.61f, 1.0f);
        }

        m_cloudLayer->setElevation(1000.0f, 4000.0f);
        m_cloudLayer->setTransitionRange(500.0f, 500.0f);
        m_wind->setSpeed(5.0f);
        m_snow->setEnable(false);

m_rain->setEnable(true);
break;

        case 5: // stormy, high wind,snow
        m_env->setVisibilityColor(0.40f, 0.43f, 0.45f, 1.0f);
        m_env->setVisibilityRangeOpaque(50000.0f);

m_sun->setHorizonColor(0.65f, 0.45f, 0.25f, 1.0f);

m_skyDome->setGroundColor(0.33f, 0.29f, 0.15f, 1.0f);
if (vpEnvGlobals::instance()->getSkyLightEnable())

{

m_cloudLayer->setCoverageScale(0.4f);

        }
        else
        {
            sprintf(str, "%s/config/vegaprime/vpenv/cloud_storm.inta", cp);
            m_cloudLayer->setTextureFile(str);

            m_cloudLayer->setTextureTiling(3.0f, 3.0f);
            m_cloudLayer->setColor(0.52f, 0.56f, 0.61f, 1.0f);
        }

        m_cloudLayer->setElevation(1000.0f, 4000.0f);
        m_cloudLayer->setTransitionRange(500.0f, 500.0f);
        m_wind->setSpeed(5.0f);

m_snow->setEnable(true);

        m_rain->setEnable(false);
        break;
    default:
        break;

}