void ScatterSky::_getSunColor( ColorF *outColor )
{
PROFILE_SCOPE( ScatterSky_GetSunColor );
U32 count = 0;
ColorF tmpColor( 0, 0, 0 );
VectorF tmpVec( 0, 0, 0 );
tmpVec = mLightDir;
tmpVec.x *= smEarthRadius + smAtmosphereRadius;
tmpVec.y *= smEarthRadius + smAtmosphereRadius;
tmpVec.z *= smEarthRadius + smAtmosphereRadius;
tmpVec.z -= smAtmosphereRadius;
for ( U32 i = 0; i < 10; i++ )
{
_getColor( tmpVec, &tmpColor );
(*outColor) += tmpColor;
tmpVec.x += (smEarthRadius * 0.5f) + (smAtmosphereRadius * 0.5f);
count++;
}
if ( count > 0 )
(*outColor) /= count;
}
void SfmlHandler::drawBlock(int x, int y, eColor color){
// Create a Rectangle
sf::RectangleShape block(sf::Vector2f(BLOCK_SIZE ,BLOCK_SIZE));
block.setPosition(x * BLOCK_SIZE, y * BLOCK_SIZE);
block.setFillColor(_getColor(color));
_window->draw(block);
}
void ScatterSky::_getFogColor( ColorF *outColor )
{
PROFILE_SCOPE( ScatterSky_GetFogColor );
VectorF scatterPos( 0, 0, 0 );
F32 sunBrightness = mSkyBrightness;
mSkyBrightness *= 0.25f;
F32 yaw = 0, pitch = 0, originalYaw = 0;
VectorF fwd( 0, 1.0f, 0 );
MathUtils::getAnglesFromVector( fwd, yaw, pitch );
originalYaw = yaw;
pitch = mDegToRad( 10.0f );
ColorF tmpColor( 0, 0, 0 );
U32 i = 0;
for ( i = 0; i < 10; i++ )
{
MathUtils::getVectorFromAngles( scatterPos, yaw, pitch );
scatterPos.x *= smEarthRadius + smAtmosphereRadius;
scatterPos.y *= smEarthRadius + smAtmosphereRadius;
scatterPos.z *= smEarthRadius + smAtmosphereRadius;
scatterPos.y -= smEarthRadius;
_getColor( scatterPos, &tmpColor );
(*outColor) += tmpColor;
if ( i <= 5 )
yaw += mDegToRad( 5.0f );
else
{
originalYaw += mDegToRad( -5.0f );
yaw = originalYaw;
}
yaw = mFmod( yaw, M_2PI_F );
}
if ( i > 0 )
(*outColor) /= i;
mSkyBrightness = sunBrightness;
}
void ScatterSky::_getAmbientColor( ColorF *outColor )
{
PROFILE_SCOPE( ScatterSky_GetAmbientColor );
ColorF tmpColor( 0, 0, 0, 0 );
U32 count = 0;
// Disable mieScattering for purposes of calculating the ambient color.
F32 oldMieScattering = mMieScattering;
mMieScattering = 0.0f;
for ( U32 i = 0; i < mSkyPoints.size(); i++ )
{
Point3F pnt( mSkyPoints[i] );
_getColor( pnt, &tmpColor );
(*outColor) += tmpColor;
count++;
}
if ( count > 0 )
(*outColor) /= count;
mMieScattering = oldMieScattering;
}
