public void TestCenterOfMass() {
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(100, 100), new Vector2(110, 120)
);
Assert.AreEqual(new Vector2(105, 110), testRectangle.CenterOfMass);
}
public void TestCircumferenceLength() {
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(10.0f, 20.0f), new Vector2(30.0f, 40.0f)
);
float circumferenceLength = (20.0f * 2.0f) + (20.0f * 2.0f);
Assert.AreEqual(circumferenceLength, testRectangle.CircumferenceLength);
}
public void TestArea() {
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(10.0f, 20.0f), new Vector2(30.0f, 40.0f)
);
float surfaceArea = 20.0f * 20.0f;
Assert.AreEqual(surfaceArea, testRectangle.Area);
}
public void TestCenterOfMass()
{
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(100, 100), new Vector2(110, 120)
);
Assert.AreEqual(new Vector2(105, 110), testRectangle.CenterOfMass);
}
public void TestBoundingBox()
{
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(100, 100), new Vector2(110, 120)
);
Assert.AreEqual(testRectangle, testRectangle.BoundingBox);
}
public void TestFullConstructor() {
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(1.2f, 3.4f), new Vector2(5.6f, 7.8f)
);
Assert.AreEqual(1.2f, testRectangle.Min.X);
Assert.AreEqual(3.4f, testRectangle.Min.Y);
Assert.AreEqual(5.6f, testRectangle.Max.X);
Assert.AreEqual(7.8f, testRectangle.Max.Y);
}
public void TestArea()
{
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(10.0f, 20.0f), new Vector2(30.0f, 40.0f)
);
float surfaceArea = 20.0f * 20.0f;
Assert.AreEqual(surfaceArea, testRectangle.Area);
}
public void TestCircumferenceLength()
{
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(10.0f, 20.0f), new Vector2(30.0f, 40.0f)
);
float circumferenceLength = (20.0f * 2.0f) + (20.0f * 2.0f);
Assert.AreEqual(circumferenceLength, testRectangle.CircumferenceLength);
}
public void TestFullConstructor()
{
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(1.2f, 3.4f), new Vector2(5.6f, 7.8f)
);
Assert.AreEqual(1.2f, testRectangle.Min.X);
Assert.AreEqual(3.4f, testRectangle.Min.Y);
Assert.AreEqual(5.6f, testRectangle.Max.X);
Assert.AreEqual(7.8f, testRectangle.Max.Y);
}
public void TestBoundingBox()
{
Disc2 testDisc = new Disc2(new Vector2(123.4f, 567.8f), 9.0f);
AxisAlignedRectangle2 boundingRectangle = testDisc.BoundingBox;
Assert.AreEqual(testDisc.Center.X - testDisc.Radius, boundingRectangle.Min.X);
Assert.AreEqual(testDisc.Center.X + testDisc.Radius, boundingRectangle.Max.X);
Assert.AreEqual(testDisc.Center.Y - testDisc.Radius, boundingRectangle.Min.Y);
Assert.AreEqual(testDisc.Center.Y + testDisc.Radius, boundingRectangle.Max.Y);
}
public void TestRandomPointWithin()
{
DefaultRandom random = new DefaultRandom();
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(12.3f, 45.6f), new Vector2(98.7f, 65.4f)
);
for (int index = 0; index < Specifications.ProbabilisticFunctionSamples; ++index)
{
Vector2 randomPoint = testRectangle.RandomPointWithin(random);
Assert.AreEqual(testRectangle.ClosestPointTo(randomPoint), randomPoint);
}
}
public void TestClosestPointTo()
{
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(100, 100), new Vector2(110, 120)
);
Assert.AreEqual(
testRectangle.Min,
testRectangle.ClosestPointTo(new Vector2(60, 70))
);
Assert.AreEqual(
testRectangle.Max,
testRectangle.ClosestPointTo(new Vector2(115, 200))
);
Assert.AreEqual(
new Vector2(104, 117),
testRectangle.ClosestPointTo(new Vector2(104, 117))
);
}
public void TestRandomPointOnPerimeter()
{
DefaultRandom random = new DefaultRandom();
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(12.3f, 45.6f), new Vector2(98.7f, 65.4f)
);
float[] possibleXs = new float[] { 12.3f, 98.7f };
float[] possibleYs = new float[] { 45.6f, 65.4f };
for (int index = 0; index < Specifications.ProbabilisticFunctionSamples; ++index)
{
Vector2 randomPoint = testRectangle.RandomPointOnPerimeter(random);
Assert.AreEqual(testRectangle.ClosestPointTo(randomPoint), randomPoint);
Assert.IsTrue(
arrayContains(possibleXs, randomPoint.X) || arrayContains(possibleYs, randomPoint.Y)
);
}
}
public void TestClosestPointTo() {
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(100, 100), new Vector2(110, 120)
);
Assert.AreEqual(
testRectangle.Min,
testRectangle.ClosestPointTo(new Vector2(60, 70))
);
Assert.AreEqual(
testRectangle.Max,
testRectangle.ClosestPointTo(new Vector2(115, 200))
);
Assert.AreEqual(
new Vector2(104, 117),
testRectangle.ClosestPointTo(new Vector2(104, 117))
);
}
public void TestRandomPointWithin() {
DefaultRandom random = new DefaultRandom();
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(12.3f, 45.6f), new Vector2(98.7f, 65.4f)
);
for(int index = 0; index < Specifications.ProbabilisticFunctionSamples; ++index) {
Vector2 randomPoint = testRectangle.RandomPointWithin(random);
Assert.AreEqual(testRectangle.ClosestPointTo(randomPoint), randomPoint);
}
}
public void TestBoundingBox() {
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(100, 100), new Vector2(110, 120)
);
Assert.AreEqual(testRectangle, testRectangle.BoundingBox);
}
public void TestRandomPointOnPerimeter() {
DefaultRandom random = new DefaultRandom();
AxisAlignedRectangle2 testRectangle = new AxisAlignedRectangle2(
new Vector2(12.3f, 45.6f), new Vector2(98.7f, 65.4f)
);
float[] possibleXs = new float[] { 12.3f, 98.7f };
float[] possibleYs = new float[] { 45.6f, 65.4f };
for(int index = 0; index < Specifications.ProbabilisticFunctionSamples; ++index) {
Vector2 randomPoint = testRectangle.RandomPointOnPerimeter(random);
Assert.AreEqual(testRectangle.ClosestPointTo(randomPoint), randomPoint);
Assert.IsTrue(
arrayContains(possibleXs, randomPoint.X) || arrayContains(possibleYs, randomPoint.Y)
);
}
}
