private void cityNoiseWork( int jobId, int jobCount )
{
int tileSize = ( _width / _tileCountX );
CityTileRect tileRect = new CityTileRect();
tileRect.minx = ( jobId % _tileCountX ) * tileSize;
tileRect.maxx = tileRect.minx + tileSize;
tileRect.miny = ( jobId / _tileCountX ) * tileSize;
tileRect.maxy = tileRect.miny + tileSize;
#if true
for( int i = 0; i < _citySplatList.Count; ++i )
{
CitySplatData citySplat = _citySplatList[ i ];
int intSpread = Mathf.RoundToInt( citySplat.spread );
float spreadTop = ( 0.5f - getSphericalDistortion( citySplat.y - intSpread ) ) * 2f;
float spreadBottom = ( 0.5f - getSphericalDistortion( citySplat.y + intSpread ) ) * 2f;
float spreadDistortion;
if( spreadTop <= 0f || spreadBottom <= 0f )
spreadDistortion = _width * 0.5f;
else
spreadDistortion = Mathf.Min( citySplat.spread / Mathf.Min( spreadTop, spreadBottom ), _width * 0.5f );
int intSpreadDistortion = Mathf.RoundToInt( spreadDistortion );
float expFalloff = 1f / Mathf.Exp( _cityFalloff );
float invSpread = 1f / citySplat.spread;
int minx = Mathf.Max( tileRect.minx, citySplat.x - intSpreadDistortion );
int maxx = Mathf.Min( tileRect.maxx, citySplat.x + intSpreadDistortion + 1 );
int miny = Mathf.Max( tileRect.miny, citySplat.y - intSpread );
int maxy = Mathf.Min( tileRect.maxy, citySplat.y + intSpread + 1 );
float referenceWidth = 8192f;
float referenceHeight = referenceWidth * 0.5f;
for( int a = minx; a < maxx; ++a )
{
float iDistortion = ( ( citySplat.x - a ) / spreadDistortion ) * citySplat.spread + citySplat.x;
float xi = ( citySplat.x - iDistortion ) * ( citySplat.x - iDistortion );
xi = ( xi / _width ) * referenceWidth;
for( int b = miny; b < maxy; ++b )
{
float xj = ( citySplat.y - b ) * ( citySplat.y - b );
xj = ( xj / _height ) * referenceHeight;
float dist = Mathf.Max( citySplat.spread - Mathf.Sqrt( xi + xj ), 0f ) * invSpread;
int index = getIndex( a, b );
float diffuseMultiplier = diffuseData[ _diffuseStartIndexC + index ] / 255f;
float val = cityData[ index ] / diffuseMultiplier;
val += ( ( citySplat.intensity * dist ) * expFalloff ) * dist;
cityData[ index ] = Mathf.Min( val, _cityMaxIntensity ) * diffuseMultiplier;
}
}
}
#endif
}
private void cityNoiseWork( int jobId, int jobCount )
{
int tileSize = ( _width / _tileCountX );
CityTileRect tileRect = new CityTileRect();
tileRect.minx = ( jobId % _tileCountX ) * tileSize;
tileRect.maxx = tileRect.minx + tileSize;
tileRect.miny = ( jobId / _tileCountX ) * tileSize;
tileRect.maxy = tileRect.miny + tileSize;
#if true
for( int i = 0; i < _citySplatList.Count; ++i )
{
CitySplatData citySplat = _citySplatList[ i ];
int intSpread = Mathf.RoundToInt( citySplat.spread );
float spreadTop = ( 0.5f - getSphericalDistortion( citySplat.y - intSpread ) ) * 2f;
float spreadBottom = ( 0.5f - getSphericalDistortion( citySplat.y + intSpread ) ) * 2f;
float spreadDistortion;
if( spreadTop <= 0f || spreadBottom <= 0f )
spreadDistortion = _width * 0.5f;
else
spreadDistortion = Mathf.Min( citySplat.spread / Mathf.Min( spreadTop, spreadBottom ), _width * 0.5f );
int intSpreadDistortion = Mathf.RoundToInt( spreadDistortion );
float expFalloff = 1f / Mathf.Exp( _cityFalloff );
float invSpread = 1f / citySplat.spread;
int minx = Mathf.Max( tileRect.minx, citySplat.x - intSpreadDistortion );
int maxx = Mathf.Min( tileRect.maxx, citySplat.x + intSpreadDistortion + 1 );
int miny = Mathf.Max( tileRect.miny, citySplat.y - intSpread );
int maxy = Mathf.Min( tileRect.maxy, citySplat.y + intSpread + 1 );
float referenceWidth = 8192f;
float referenceHeight = referenceWidth * 0.5f;
for( int a = minx; a < maxx; ++a )
{
float iDistortion = ( ( citySplat.x - a ) / spreadDistortion ) * citySplat.spread + citySplat.x;
float xi = ( citySplat.x - iDistortion ) * ( citySplat.x - iDistortion );
xi = ( xi / _width ) * referenceWidth;
for( int b = miny; b < maxy; ++b )
{
float xj = ( citySplat.y - b ) * ( citySplat.y - b );
xj = ( xj / _height ) * referenceHeight;
float dist = Mathf.Max( citySplat.spread - Mathf.Sqrt( xi + xj ), 0f ) * invSpread;
int index = getIndex( a, b );
float diffuseMultiplier = diffuseData[ _diffuseStartIndexC + index ] / 255f;
float val = cityData[ index ] / diffuseMultiplier;
val += ( ( citySplat.intensity * dist ) * expFalloff ) * dist;
cityData[ index ] = Mathf.Min( val, _cityMaxIntensity ) * diffuseMultiplier;
}
}
}
#endif
}
