public void ShouldBePossibleWithNonOverlappingRectangle()
{
// Arrange
var sut = new CollisionMap(10, 10);
sut.Insert(new RectangleF(1, 1, 1, 1).Yield());
// Act
var actual = sut.Check(new RectangleF(4, 4, 1, 1).Yield());
// Assert
Assert.True(actual);
}
public void ShouldNotBePossibleWhenOverlappingWithExisting()
{
// Arrange
var sut = new CollisionMap(10, 10);
sut.Insert(new RectangleF(1, 1, 3, 3).Yield());
// Act
var actual = sut.Check(new RectangleF(2, 2, 3, 3).Yield());
// Assert
Assert.False(actual);
}
public void ShouldContainAddedElement()
{
// Arrange
var sut = new CollisionMap(1, 1);
var expected = new RectangleF(1, 1, 1, 1);
sut.Insert(expected.Yield());
// Act
var actual = sut.Rectangles.ToList();
// Assert
Assert.Contains(expected, actual);
}
public void ShouldContainAddedElements()
{
// Arrange
var sut = new CollisionMap(1, 1);
var expected1 = new RectangleF(1, 1, 1, 1);
var expected2 = new RectangleF(2, 2, 1, 1);
sut.Insert(new[] { expected1, expected2 });
// Act
var actual = sut.Rectangles.ToList();
// Assert
Assert.Contains(expected1, actual);
Assert.Contains(expected2, actual);
}
/// <summary>
/// Clears the collision grid and inserts all entities before checking collisions
/// </summary>
protected override void PreProcess()
{
_comparisons = 0;
_map.Clear();
var maxEntities = AssociatedEntities.Count;
for (int e = 0; e < maxEntities; e++)
{
// Insert all entities with collision components
if (AssociatedEntities[e].HasComponent <CollisionComponent>())
{
var collision = AssociatedEntities[e].GetComponent <CollisionComponent>();
collision.Event = false;
collision.Collider = null;
_map.Insert(AssociatedEntities[e], collision);
}
}
}