public void AddSpan_First_Success()
{
var cell = new Cell(40);
var span = new Span(10, 20);
cell.AddSpan(span);
Assert.AreEqual(span.Minimum, cell.Spans[0].Minimum);
Assert.AreEqual(span.Maximum, cell.Spans[0].Maximum);
}
public void AddSpan_Flipped_Success()
{
var cell = new Cell(40);
var span = new Span(20, 10);
cell.AddSpan(span);
Assert.AreEqual(cell.Spans[0].Minimum, span.Maximum);
Assert.AreEqual(cell.Spans[0].Maximum, span.Minimum);
}
public void AddSpan_ContainedMerge_Success()
{
var cell = new Cell(40);
var span = new Span(10, 20);
var span2 = new Span(5, 25);
cell.AddSpan(span);
cell.AddSpan(span2);
Assert.AreEqual(span2.Minimum, cell.Spans[0].Minimum);
Assert.AreEqual(span2.Maximum, cell.Spans[0].Maximum);
}
public void AddSpan_Above_Success()
{
var cell = new Cell(40);
var span = new Span(10, 20);
var span2 = new Span(21, 25);
cell.AddSpan(span);
cell.AddSpan(span2);
Assert.AreEqual(span.Minimum, cell.Spans[0].Minimum);
Assert.AreEqual(span.Maximum, cell.Spans[0].Maximum);
Assert.AreEqual(span2.Minimum, cell.Spans[1].Minimum);
Assert.AreEqual(span2.Maximum, cell.Spans[1].Maximum);
}
public void Filter_LowHangingWalkable_Success()
{
var hf = new Heightfield(new BBox3(Vector3.Zero, Vector3.One), 0.5f, 0.02f);
var span = new Span(10, 15, Area.Default);
var span2 = new Span(16, 20, Area.Null);
hf[0].AddSpan(span);
hf[0].AddSpan(span2);
hf.FilterLowHangingWalkableObstacles(20);
Assert.AreEqual(hf[0].Spans[0].Area, hf[0].Spans[1].Area);
}
public void Filter_WalkableLowHeight_Success()
{
var hf = new Heightfield(new BBox3(Vector3.Zero, Vector3.One), 0.5f, 0.02f);
var span = new Span(10, 20, Area.Default);
var span2 = new Span(25, 30, Area.Default);
hf[0].AddSpan(span);
hf[0].AddSpan(span2);
//too low to walk through. there is only a gap of 5 units to walk through,
//but at least 15 units is needed
hf.FilterWalkableLowHeightSpans(15);
//so one span is unwalkable and the other is fine
Assert.AreEqual(hf[0].Spans[0].Area, Area.Null);
Assert.AreEqual(hf[0].Spans[1].Area, Area.Default);
}
public void Filter_LowHangingWalkable_Fail()
{
var hf = new Heightfield(new BBox3(Vector3.Zero, Vector3.One), 0.5f, 0.02f);
var span = new Span(1, 2, Area.Default);
var span2 = new Span(10, 20, Area.Null);
hf[2].AddSpan(span);
hf[2].AddSpan(span2);
//walkable step cannot cover the gap (difference between span2 maximum and span 1 maximum) so fail
hf.FilterLowHangingWalkableObstacles(10);
Assert.AreNotEqual(hf[0, 1].Spans[0].Area, hf[0, 1].Spans[1].Area);
}