public void TestSingleSplitGeneration()
{
var splitSource = new SplitRect()
{
_rect = new RectInt(Vector2Int.zero, Vector2Int.one * 4),
Neighbours = new HashSet <SplitRect>()
};
var divisionAlgorithm = new SubdivisionAlgorithm()
{
_minRectWidth = 1,
_minRectHeight = 1
};
var rectangles = divisionAlgorithm.SplitRectRandomly(splitSource, Axis.Y);
var splitResult = divisionAlgorithm.CreateSplits(splitSource, rectangles);
Assert.IsTrue(splitResult[0]._rect.height == splitSource._rect.height);
Assert.IsTrue(splitResult[1]._rect.height == splitSource._rect.height);
Assert.IsTrue(splitResult[0]._rect.width < splitSource._rect.width);
Assert.IsTrue(splitResult[1]._rect.width < splitSource._rect.width);
Assert.IsTrue(splitResult[0].Neighbours.Contains(splitResult[1]));
Assert.IsTrue(splitResult[0].Neighbours.Count == 1);
Assert.IsTrue(splitResult[1].Neighbours.Contains(splitResult[0]));
Assert.IsTrue(splitResult[1].Neighbours.Count == 1);
}
public void TestRandomYSplits()
{
var split = new SplitRect()
{
_rect = new RectInt(Vector2Int.zero, Vector2Int.one * 4),
Neighbours = new HashSet <SplitRect>()
};
var divisionAlgorithm = new SubdivisionAlgorithm()
{
_minRectWidth = 1,
_minRectHeight = 1
};
var widthCount = new int[5];
for (int i = 0; i < 200; i++)
{
var result = divisionAlgorithm.SplitRectRandomly(split, Axis.Y);
Assert.IsTrue(result[0].width >= divisionAlgorithm._minRectWidth);
Assert.IsTrue(result[1].width >= divisionAlgorithm._minRectWidth);
Assert.IsTrue(result[0].width < split._rect.width);
Assert.IsTrue(result[1].width < split._rect.width);
Assert.IsTrue(result[0].height == split._rect.height);
Assert.IsTrue(result[1].height == split._rect.height);
widthCount[result[0].width]++;
widthCount[result[1].width]++;
}
Assert.IsTrue(widthCount[0] == 0);
Assert.IsTrue(widthCount[1] > 0);
Assert.IsTrue(widthCount[2] > 0);
Assert.IsTrue(widthCount[3] > 0);
Assert.IsTrue(widthCount[4] == 0);
}
