public TAMImageDiagram Generate(TAMImageDiagram baseDiagram, TAMTone tone, TAMMipmapLevel mipmapLevel, int seed)
{
_strokesGenerator.ResetSeed(seed);
_random = new System.Random(seed);
var diagram = baseDiagram.Copy();
float currentCoverage = ComputeCoverage(diagram, mipmapLevel);
float targetCoverage = _generationConfiguration.TargetCoverages[tone];
while (targetCoverage > currentCoverage)
{
List <RankedPossibleStroke> possibleStrokes = new List <RankedPossibleStroke>();
for (int i = 0; i < _generationConfiguration.TriesCount[mipmapLevel]; i++)
{
TAMStroke newStroke = _strokesGenerator.CreateRandomStroke(new Vector2(_random.Next(), _random.Next()), tone);
RankedPossibleStroke rankedNewStroke = RankStroke(newStroke, diagram);
possibleStrokes.Add(rankedNewStroke);
}
var bestStroke = possibleStrokes.OrderBy(p => p.Rank).First();
diagram.AddStroke(bestStroke.Stroke);
currentCoverage = ComputeCoverage(diagram, mipmapLevel);
}
return(diagram);
}
public TAMStroke UpdatePerMipmapLevelStrokeParameters(TAMStroke tamStroke, TAMMipmapLevel level)
{
var reverseIndex = level.MipmapLevelsCount - level.LevelIndex - 1;
var newHeight = tamStroke.Height * Mathf.Pow(_generationConfiguration.PerMipmapLevelHeightMultiplier, reverseIndex);
return(new TAMStroke(tamStroke.Center, newHeight, tamStroke.Length, tamStroke.Rotation, tamStroke.Id));
}
private RankedPossibleStroke RankStroke(TAMStroke newStroke, TAMImageDiagram diagram)
{
// rank the bigger, the better
var distanceSum = 0f;
var intersectionArea = 0f;
foreach (var stroke in diagram.Strokes)
{
var intersection = MyMathUtils.IntersectionAreaOfTwoCircles(newStroke.Length, newStroke.Center, stroke.Length, stroke.Center);
intersectionArea += intersection;
distanceSum += Vector2.Distance(newStroke.Center, stroke.Center);
}
var intersectionPercent = intersectionArea / (Math.PI * Math.Pow(newStroke.Length, 2));
var rank = Mathf.Pow(distanceSum, (float)(2 - intersectionPercent));
return(new RankedPossibleStroke()
{
Rank = rank,
Stroke = newStroke
});
}
public void AddStroke(TAMStroke stroke)
{
_strokes.Add(stroke);
}