public void DistanceAlongDiagonal()
{
var hypotenuse = (float)(2f.Sq() + 2d.Sq()).Sqrt();
var newBox = new TwoDimensionalBoundingBox(2, 2, 2);
var dist = newBox.BoundsDistance(6, 6);
Assert.AreEqual(hypotenuse, dist);
}
private void DrawBoundingBox(TwoDimensionalBoundingBox bounds)
{
var startX = bounds.X - bounds.Radius;
var endX = bounds.X + bounds.Radius;
var startY = bounds.Y - bounds.Radius;
var endY = bounds.Y + bounds.Radius;
for (var x = startX; x <= endX; x++)
{
for (var subX = -1; subX < 2; subX++)
{
_texture.SetPixel((int)x, (int)startY + subX, BoundsColor);
_texture.SetPixel((int)x, (int)endY + subX, BoundsColor);
}
}
for (var y = startY; y <= endY; y++)
{
for (var subY = -1; subY < 2; subY++)
{
_texture.SetPixel((int)startX + subY, (int)y, BoundsColor);
_texture.SetPixel((int)endX + subY, (int)y, BoundsColor);
}
}
}
public void Setup()
{
_box = new TwoDimensionalBoundingBox(10, 10, 10);
}
public void DistancePointInside()
{
var newBox = new TwoDimensionalBoundingBox(2, 2, 2);
var dist = newBox.BoundsDistance(2, 4);
Assert.AreEqual(-2, dist);
}
public void DistanceAlongStraightPath()
{
var newBox = new TwoDimensionalBoundingBox(2, 2, 2);
var dist = newBox.BoundsDistance(6, 2);
Assert.AreEqual(2, dist);
}
public void BoundsBoundsNonIntersections2D()
{
var newBox = new TwoDimensionalBoundingBox(-5, -5, 3);
Assert.False(_box.Intersects(newBox));
}
public void BoundsBoundsInnerIntersection2D()
{
var newBox = new TwoDimensionalBoundingBox(11, 11, 2);
Assert.True(_box.Intersects(newBox));
Assert.True(newBox.Intersects(_box));
}
public void BoundsBoundsEdgeIntersection2D()
{
var newBox = new TwoDimensionalBoundingBox(15, 15, 10);
Assert.True(_box.Intersects(newBox));
}
public void Setup()
{
_box = new TwoDimensionalBoundingBox(10, 10, 10);
_tree = new Quadtree<TestObject>(_box, 2);
}
