public void ShouldDetermineIfParticleCrossesVerticalBorder()
{
// given
var border = new Border(new Vector2D(0, 0), new Vector2D(0, 4));
var start = new Vector2D(-3, -3);
var end = new Vector2D(5, -5);
// when
var result = border.IsVectorCrossingBorder(start, end);
// then
Assert.That(result, Is.False);
}
public void ShouldDetermineIfParticleCrossesWhenDiagonal()
{
// given
var border = new Border(new Vector2D(200, 0), new Vector2D(350, 150));
var leftPoint = new Vector2D(200, 10);
var rightPoint = new Vector2D(400, 10);
// when
int leftSide = border.GetSide(leftPoint);
int rightSide = border.GetSide(rightPoint);
var result = border.IsVectorCrossingBorder(leftPoint, rightPoint);
// then
Assert.That(result, Is.False);
}