public void DownwardsLine()
{
int len = 10;
var line = new VectorLine(0, 0, 0, -len);
var points = line.GetPoints(Allocator.Temp);
Assert.AreEqual(len + 1, points.Length);
for (int i = 0; i <= len; ++i)
{
Assert.AreEqual(new int2(0, -i), points[i]);
}
}
public void UpwardsLine()
{
int endY = 10;
var line = new VectorLine(0, 0, 0, endY);
var points = line.GetPoints(Allocator.Temp);
Assert.AreEqual(endY + 1, points.Length);
for (int i = 0; i <= endY; ++i)
{
Assert.AreEqual(new int2(0, i), points[i]);
}
}
public void BackwardLine()
{
int endX = 10;
var line = new VectorLine(0, 0, -endX, 0);
var points = line.GetPoints(Allocator.Temp);
Assert.AreEqual(endX + 1, points.Length);
for (int i = 0; i <= endX; ++i)
{
Assert.AreEqual(new int2(-i, 0), points[i]);
}
}
public void ForwardLine()
{
int endX = 10;
var line = new VectorLine(0, 0, endX, 0);
var points = line.GetPoints(Allocator.Temp);
Assert.AreEqual(endX + 1, points.Length);
for (int x = 0; x <= endX; ++x)
{
Assert.AreEqual(new int2(x, 0), points[x]);
}
}
public void DownLeftLine()
{
var begin = new int2(0, 0);
var end = new int2(-5, -5);
var line = new VectorLine(begin, end);
var points = line.GetPoints(Allocator.Temp);
Assert.AreEqual(6, points.Length);
for (int i = 0; i < 6; ++i)
{
int x = points[i].x;
int y = points[i].y;
Assert.AreEqual(-i, x);
Assert.AreEqual(-i, y);
}
}
static void ScanFOVLine <T>(int2 start, int2 end, T map, NativeHashSet <int2> pointSet) where T : IVisibilityMap
{
var line = new VectorLine(start, end);
var linePoints = line.GetPoints(Allocator.Temp);
for (int i = 0; i < linePoints.Length; ++i)
{
var p = linePoints[i];
if (!map.IsInBounds(p))
{
return;
}
pointSet.TryAdd(p);
if (map.IsOpaque(p))
{
return;
}
}
}
