public void FaceLineIntersectionTest()
{
var plane = new Plane(new Coordinate(0, 0, 1), 100);
var face = new Face(1) {Plane = plane};
var coords = new[]
{
new Coordinate(-100, -100, 100),
new Coordinate(100, -100, 100),
new Coordinate(100, 100, 100),
new Coordinate(-100, 100, 100)
};
face.Vertices.AddRange(coords.Select(x => new Vertex(x, face)));
face.CalculateTextureCoordinates(true);
var passLine = new Line(new Coordinate(0, 0, 0), new Coordinate(0, 0, 200));
var reversePassLine = passLine.Reverse();
var failSegment = new Line(new Coordinate(0, 0, 0), new Coordinate(0, 0, 50));
var failLine = new Line(new Coordinate(0, 0, 0), new Coordinate(1, 0, 0));
var outsideFaceLine = new Line(new Coordinate(200, 0, 0), new Coordinate(200, 0, 200));
var pass1 = face.GetIntersectionPoint(passLine);
var fail1 = face.GetIntersectionPoint(reversePassLine);
var fail2 = face.GetIntersectionPoint(failSegment);
var fail3 = face.GetIntersectionPoint(failLine);
var fail4 = face.GetIntersectionPoint(outsideFaceLine);
Assert.IsNotNull(pass1);
Assert.IsNull(fail1);
Assert.IsNull(fail2);
Assert.IsNull(fail3);
Assert.IsNull(fail4);
}
public void PlaneLineIntersectionTest()
{
var plane = new Plane(new Coordinate(0, 0, 1), 100);
var passLine = new Line(new Coordinate(0, 0, 0), new Coordinate(0, 0, 200));
var reversePassLine = passLine.Reverse();
var failSegment = new Line(new Coordinate(0, 0, 0), new Coordinate(0, 0, 50));
var failLine = new Line(new Coordinate(0, 0, 0), new Coordinate(1, 0, 0));
var pass1 = plane.GetIntersectionPoint(passLine);
var pass2 = plane.GetIntersectionPoint(reversePassLine, true);
var pass3 = plane.GetIntersectionPoint(failSegment, false, true);
var fail1 = plane.GetIntersectionPoint(reversePassLine);
var fail2 = plane.GetIntersectionPoint(failSegment);
var fail3 = plane.GetIntersectionPoint(failLine);
Assert.IsNotNull(pass1);
Assert.IsNotNull(pass2);
Assert.IsNotNull(pass3);
Assert.IsNull(fail1);
Assert.IsNull(fail2);
Assert.IsNull(fail3);
}
