public void CreateSquareOutline_RayLengthIsTwo_ReturnsCorrectOutline()
{
var creator = new FovSquareOutlineCreator();
var expectedOutlinePoints = new List <Position>
{
new Position(-2, -2),
new Position(-1, -2),
new Position(-0, -2),
new Position(+1, -2),
new Position(+2, -2),
new Position(-2, -1),
new Position(+2, -1),
new Position(-2, 0),
new Position(+2, 0),
new Position(-2, +1),
new Position(+2, +1),
new Position(-2, +2),
new Position(-1, +2),
new Position(-0, +2),
new Position(+1, +2),
new Position(+2, +2),
};
IEnumerable <Position> outline = creator.CreateSquareOutline(fovCenter: new Position(0, 0), sightRange: 2);
outline.Should().BeEquivalentTo(expectedOutlinePoints);
}
public void CreateSquareOutline_RayLengthIsZero_ReturnsOnlyCenter()
{
var creator = new FovSquareOutlineCreator();
var expectedOutlinePoints = new List <Position> {
new Position(0, 0)
};
IEnumerable <Position> outline = creator.CreateSquareOutline(fovCenter: new Position(0, 0), sightRange: 0);
outline.Should().BeEquivalentTo(expectedOutlinePoints);
}
public void CreateSquareOutline_RayLengthIsOne_ReturnsAllNeighboursOfCenter()
{
var creator = new FovSquareOutlineCreator();
var expectedOutlinePoints = new List <Position>
{
new Position(-1, -1),
new Position(0, -1),
new Position(1, -1),
new Position(-1, 0),
new Position(1, 0),
new Position(-1, 1),
new Position(0, 1),
new Position(1, 1),
};
IEnumerable <Position> outline = creator.CreateSquareOutline(fovCenter: new Position(0, 0), sightRange: 1);
outline.Should().BeEquivalentTo(expectedOutlinePoints);
}
public void CreateSquareOutline_RayLengthIsOneAndCenterIsNotAtZero_ReturnsAllNeighboursOfCenter(int offsetX, int offsetY)
{
var offset = new Position(offsetX, offsetY);
var creator = new FovSquareOutlineCreator();
var expectedOutlinePoints = new List <Position>
{
new Position(-1, -1) + offset,
new Position(0, -1) + offset,
new Position(1, -1) + offset,
new Position(-1, 0) + offset,
new Position(1, 0) + offset,
new Position(-1, 1) + offset,
new Position(0, 1) + offset,
new Position(1, 1) + offset
};
IEnumerable <Position> outline = creator.CreateSquareOutline(fovCenter: offset, sightRange: 1);
outline.Should().BeEquivalentTo(expectedOutlinePoints);
}
