public void TestClosestPointHorizontal()
{
Segment2 line = new Segment2(new Vector2(0.0f, 100.0f), new Vector2(1.0f, 100.0f));
Vector2 leftCap = line.ClosestPointTo(new Vector2(-2.0f, 200.0f));
Assert.AreEqual(
new Vector2(0.0f, 100.0f), leftCap, "Closest point beyond left end found"
);
Vector2 leftPoint = line.ClosestPointTo(new Vector2(0, 200));
Assert.AreEqual(
new Vector2(0.0f, 100.0f), leftPoint, "Closest point on left end found"
);
Vector2 midLeftRight = line.ClosestPointTo(new Vector2(0.5f, 200.0f));
Assert.AreEqual(
new Vector2(0.5f, 100.0f), midLeftRight, "Closest point inmidst of line found"
);
Vector2 rightPoint = line.ClosestPointTo(new Vector2(1.0f, 200.0f));
Assert.AreEqual(
new Vector2(1.0f, 100.0f), rightPoint, "Closest point on right end found"
);
Vector2 rightCap = line.ClosestPointTo(new Vector2(3.0f, 200.0f));
Assert.AreEqual(
new Vector2(1.0f, 100.0f), rightCap, "Closest point beyond right end found"
);
}
public void TestClosestPointVertical()
{
Segment2 line = new Segment2(new Vector2(100.0f, 0.0f), new Vector2(100.0f, 1.0f));
Vector2 leftCap = line.ClosestPointTo(new Vector2(200.0f, -2.0f));
Assert.AreEqual(
new Vector2(100.0f, 0.0f), leftCap, "Closest point beyond lower end found"
);
Vector2 leftPoint = line.ClosestPointTo(new Vector2(200.0f, 0.0f));
Assert.AreEqual(
new Vector2(100.0f, 0.0f), leftPoint, "Closest point on lower end found"
);
Vector2 midLeftRight = line.ClosestPointTo(new Vector2(200.0f, 0.5f));
Assert.AreEqual(
new Vector2(100.0f, 0.5f), midLeftRight, "Closest point inmidst of line found"
);
Vector2 rightPoint = line.ClosestPointTo(new Vector2(200.0f, 1.0f));
Assert.AreEqual(
new Vector2(100.0f, 1.0f), rightPoint, "Closest point on upper end found"
);
Vector2 rightCap = line.ClosestPointTo(new Vector2(200.0f, 3.0f));
Assert.AreEqual(
new Vector2(100.0f, 1.0f), rightCap, "Closest point beyond upper end found"
);
}
public void TestClosestPointHorizontal() {
Segment2 line = new Segment2(new Vector2(0.0f, 100.0f), new Vector2(1.0f, 100.0f));
Vector2 leftCap = line.ClosestPointTo(new Vector2(-2.0f, 200.0f));
Assert.AreEqual(
new Vector2(0.0f, 100.0f), leftCap, "Closest point beyond left end found"
);
Vector2 leftPoint = line.ClosestPointTo(new Vector2(0, 200));
Assert.AreEqual(
new Vector2(0.0f, 100.0f), leftPoint, "Closest point on left end found"
);
Vector2 midLeftRight = line.ClosestPointTo(new Vector2(0.5f, 200.0f));
Assert.AreEqual(
new Vector2(0.5f, 100.0f), midLeftRight, "Closest point inmidst of line found"
);
Vector2 rightPoint = line.ClosestPointTo(new Vector2(1.0f, 200.0f));
Assert.AreEqual(
new Vector2(1.0f, 100.0f), rightPoint, "Closest point on right end found"
);
Vector2 rightCap = line.ClosestPointTo(new Vector2(3.0f, 200.0f));
Assert.AreEqual(
new Vector2(1.0f, 100.0f), rightCap, "Closest point beyond right end found"
);
}
public void TestClosestPointVertical() {
Segment2 line = new Segment2(new Vector2(100.0f, 0.0f), new Vector2(100.0f, 1.0f));
Vector2 leftCap = line.ClosestPointTo(new Vector2(200.0f, -2.0f));
Assert.AreEqual(
new Vector2(100.0f, 0.0f), leftCap, "Closest point beyond lower end found"
);
Vector2 leftPoint = line.ClosestPointTo(new Vector2(200.0f, 0.0f));
Assert.AreEqual(
new Vector2(100.0f, 0.0f), leftPoint, "Closest point on lower end found"
);
Vector2 midLeftRight = line.ClosestPointTo(new Vector2(200.0f, 0.5f));
Assert.AreEqual(
new Vector2(100.0f, 0.5f), midLeftRight, "Closest point inmidst of line found"
);
Vector2 rightPoint = line.ClosestPointTo(new Vector2(200.0f, 1.0f));
Assert.AreEqual(
new Vector2(100.0f, 1.0f), rightPoint, "Closest point on upper end found"
);
Vector2 rightCap = line.ClosestPointTo(new Vector2(200.0f, 3.0f));
Assert.AreEqual(
new Vector2(100.0f, 1.0f), rightCap, "Closest point beyond upper end found"
);
}