//replaces an given area
public static MapData FlattenNoiseArea(MapData _mapData, int _nodeValue, bool _cannotOverwrite, EnumTypes.FigureMode _figureMode, Vector2 _clearPosition, int _clearSize, int _mapChunkSize)
{
int radius = Mathf.FloorToInt(_clearSize / 2);
if (_figureMode == EnumTypes.FigureMode.Square)
{
for (int y = 0; y < _mapChunkSize; y++)
{
for (int x = 0; x < _mapChunkSize; x++)
{
if (x >= _clearPosition.x - radius && x <= _clearPosition.x + radius && y >= _clearPosition.y - radius && y <= _clearPosition.y + radius)
{
float distance = x + y - _mapChunkSize + 1;
_mapData.noiseMap[x, y] = _mapData.noiseMap[x, y] / (_clearSize / distance);
_mapData.obstacleData[x, y].cannotOverwrite = _cannotOverwrite;
if (_nodeValue != 0)
{
_mapData.obstacleData[x, y].nodeValue = _nodeValue;
}
}
}
}
}
else if (_figureMode == EnumTypes.FigureMode.Circle)
{
_clearSize /= 2;
for (int y = (int)_clearPosition.y - radius; y <= (int)_clearPosition.y + radius; y++)
{
for (int x = (int)_clearPosition.x - radius; x <= (int)_clearPosition.x + radius; x++)
{
float distance = Vector2.Distance(_clearPosition, new Vector2(x, y));
//check if this location is withing the given _clearSize
if (distance <= _clearSize)
{
_mapData.noiseMap[x, y] = _mapData.noiseMap[x, y] / (_clearSize / distance);
_mapData.obstacleData[x, y].cannotOverwrite = _cannotOverwrite;
}
}
}
}
return(_mapData);
}
//flatten a circle, and add other small circles to it to make it seem natural
public static MapData FlattenCircleRandomized(MapData _mapData, int _nodeValue, bool _cannotOverwrite, EnumTypes.FigureMode _figureMode, Vector2 _clearPosition, int _clearSize, int _mapChunkSize, int _randomizeAmount)
{
FlattenNoiseArea(_mapData, _nodeValue, _cannotOverwrite, EnumTypes.FigureMode.Circle, _clearPosition, _clearSize, _mapChunkSize);
for (int i = 0; i < _randomizeAmount; i++)
{
int randomClearSize = Mathf.RoundToInt(_clearSize / Random.Range(1f, 2f));
Vector2 randomCirclePosition = new Vector2(_clearPosition.x + randomClearSize / 2 * Random.Range(-1f, 1f), _clearPosition.y + randomClearSize / 2 * Random.Range(-1f, 1f));
_mapData = FlattenNoiseArea(_mapData, _nodeValue, _cannotOverwrite, EnumTypes.FigureMode.Circle, randomCirclePosition, randomClearSize, _mapChunkSize);
}
return(_mapData);
}
