public void GetBehindnessVectors_PositionHasNonZeroComponents_ReturnsCorrectVectors()
{
var postprocessor = new BasicFovPostprocessor();
var positionPositivePositive = new Position(12, 30);
var positionNegativePositive = new Position(-5, 14);
var positionPositiveNegative = new Position(11, -1);
var positionNegativeNegative = new Position(-5, -5);
var squareCenter = new Position(0, 0);
IEnumerable <Position> resultPosPos = postprocessor.GetBehindnessVectors(positionPositivePositive, squareCenter);
IEnumerable <Position> resultNegPos = postprocessor.GetBehindnessVectors(positionNegativePositive, squareCenter);
IEnumerable <Position> resultPosNeg = postprocessor.GetBehindnessVectors(positionPositiveNegative, squareCenter);
IEnumerable <Position> resultNegNeg = postprocessor.GetBehindnessVectors(positionNegativeNegative, squareCenter);
resultPosPos.Should().BeEquivalentTo(new List <Position> {
new Position(1, 0), new Position(0, 1)
});
resultNegPos.Should().BeEquivalentTo(new List <Position> {
new Position(-1, 0), new Position(0, 1)
});
resultPosNeg.Should().BeEquivalentTo(new List <Position> {
new Position(1, 0), new Position(0, -1)
});
resultNegNeg.Should().BeEquivalentTo(new List <Position> {
new Position(-1, 0), new Position(0, -1)
});
}
public void GetBehindnessVectors_PositionHasOneZeroComponent_ReturnsCorrectVectors()
{
var postprocessor = new BasicFovPostprocessor();
var positionPositiveZero = new Position(12, 0);
var positionZeroPositive = new Position(0, 14);
var positionNegativeZero = new Position(-7, 0);
var positionZeroNegative = new Position(0, -5);
var squareCenter = new Position(0, 0);
IEnumerable <Position> resultPosZero = postprocessor.GetBehindnessVectors(positionPositiveZero, squareCenter);
IEnumerable <Position> resultZeroPos = postprocessor.GetBehindnessVectors(positionZeroPositive, squareCenter);
IEnumerable <Position> resultNegZero = postprocessor.GetBehindnessVectors(positionNegativeZero, squareCenter);
IEnumerable <Position> resultZeroNeg = postprocessor.GetBehindnessVectors(positionZeroNegative, squareCenter);
resultPosZero.Should().BeEquivalentTo(new List <Position> {
new Position(1, 0)
});
resultZeroPos.Should().BeEquivalentTo(new List <Position> {
new Position(0, 1)
});
resultNegZero.Should().BeEquivalentTo(new List <Position> {
new Position(-1, 0)
});
resultZeroNeg.Should().BeEquivalentTo(new List <Position> {
new Position(0, -1)
});
}
public void GetBehindnessVectors_ReturnsCorrectVectors(int offsetX, int offsetY)
{
var postprocessor = new BasicFovPostprocessor();
var offset = new Position(offsetX, offsetY);
var currentPosition = new Position(1, 1) + offset;
var squareCenter = new Position(0, 0) + offset;
IEnumerable <Position> result = postprocessor.GetBehindnessVectors(currentPosition, squareCenter);
result.Should().BeEquivalentTo(new List <Position> {
new Position(1, 0), new Position(0, 1)
});
}