public void InsertAndRetrieve()
{
var spatialHash = new SpatialHash <int>(16);
var rectA = new Rectangle(-2, -2, 2, 2);
var rectATransform = new Transform2D(new Vector2(-8, -8));
var rectB = new Rectangle(-2, -2, 2, 2);
var rectBTransform = new Transform2D(new Vector2(8, 8));
var rectC = new Rectangle(-2, -2, 2, 2);
var rectCTransform = new Transform2D(new Vector2(24, -4));
var rectD = new Rectangle(-2, -2, 2, 2);
var rectDTransform = new Transform2D(new Vector2(24, 24));
var circleA = new Circle(2);
var circleATransform = new Transform2D(new Vector2(24, -8));
var circleB = new Circle(8);
var circleBTransform = new Transform2D(new Vector2(16, 16));
var line = new Line(new Position2D(20, -4), new Position2D(22, -12));
var lineTransform = new Transform2D(new Vector2(0, 0));
var point = new Point();
var pointTransform = new Transform2D(new Position2D(8, 8));
spatialHash.Insert(0, rectA, rectATransform);
spatialHash.Insert(1, rectB, rectBTransform);
spatialHash.Insert(2, rectC, rectCTransform);
spatialHash.Insert(3, rectD, rectDTransform);
spatialHash.Insert(4, circleA, circleATransform);
spatialHash.Insert(1, circleB, circleBTransform);
spatialHash.Insert(6, line, lineTransform);
spatialHash.Insert(7, point, pointTransform);
spatialHash.Retrieve(0, rectA, rectATransform).Should().BeEmpty();
spatialHash.Retrieve(1, rectB, rectBTransform).Should().NotContain((1, circleB, circleBTransform));
spatialHash.Retrieve(1, rectB, rectBTransform).Should().Contain((7, point, pointTransform));
spatialHash.Retrieve(2, rectC, rectCTransform).Should().Contain((6, line, lineTransform)).And.Contain((4, circleA, circleATransform));
spatialHash.Retrieve(3, rectD, rectDTransform).Should().Contain((1, circleB, circleBTransform));
spatialHash.Retrieve(4, circleA, circleATransform).Should().Contain((6, line, lineTransform)).And.Contain((2, rectC, rectCTransform));
spatialHash.Retrieve(1, circleB, circleBTransform).Should().NotContain((1, rectB, rectBTransform)).And.Contain((3, rectD, rectDTransform));
spatialHash.Retrieve(6, line, lineTransform).Should().Contain((4, circleA, circleATransform)).And.Contain((2, rectC, rectCTransform));
}
public void Clear()
{
var spatialHash = new SpatialHash <int>(16);
var rectA = new Rectangle(-2, -2, 2, 2);
var rectATransform = new Transform2D(new Vector2(-8, -8));
var rectB = new Rectangle(-2, -2, 2, 2);
var rectBTransform = new Transform2D(new Vector2(8, 8));
spatialHash.Insert(0, rectA, rectATransform);
spatialHash.Insert(1, rectB, rectBTransform);
spatialHash.Clear();
spatialHash.Retrieve(0, rectA, rectATransform).Should().HaveCount(0);
}
public void InsertAndRetrieveSameValues()
{
var spatialHash = new SpatialHash <int>(16);
var rectA = new Rectangle(-2, -2, 2, 2);
var rectATransform = new Transform2D(new Vector2(-8, -8));
var rectB = new Rectangle(-2, -2, 2, 2);
var rectBTransform = new Transform2D(new Vector2(-8, -8));
var rectC = new Rectangle(-1, -1, 1, 1);
var rectCTransform = new Transform2D(new Vector2(-8, -8));
spatialHash.Insert(0, rectA, rectATransform);
spatialHash.Insert(1, rectB, rectBTransform);
spatialHash.Insert(2, rectC, rectCTransform);
spatialHash.Retrieve(2, rectC, rectCTransform).Should().HaveCount(2);
}
