protected override void Initialize()
{
base.Initialize();
_pointButton = new Button(12, 12, "Point", _font, () => SwitchShape(DemoShape.Point), _spriteBatch);
_rectButton = new Button(12, 42, "Rectangle", _font, () => SwitchShape(DemoShape.Rectangle), _spriteBatch);
_aaSegmentButton = new Button(12, 72, "AA Segment", _font, () => SwitchShape(DemoShape.AASegment), _spriteBatch);
_segmentButton = new Button(12, 102, "Segment", _font, () => SwitchShape(DemoShape.Segment), _spriteBatch);
_circleButton = new Button(12, 132, "Circle", _font, () => SwitchShape(DemoShape.Circle), _spriteBatch);
_fanButton = new Button(12, 162, "Fan", _font, () => SwitchShape(DemoShape.Fan), _spriteBatch);
_radiusUpButton = new Button(250, 12, "Radius Up", _font, RadiusUp, _spriteBatch);
_radiusDownButton = new Button(250, 42, "Radius Down", _font, RadiusDown, _spriteBatch);
_nextDirectionButton = new Button(500, 12, "Direction change", _font, DirectionChange, _spriteBatch);
_shapeButtons = new[]
{
_pointButton, _rectButton, _aaSegmentButton, _segmentButton, _circleButton, _fanButton,
};
_shapes = new Dictionary <DemoShape, IGridShape>
{
[DemoShape.Point] = new GridPoint(Center),
[DemoShape.Rectangle] =
new GridRectangle(
GridBoundingBox.FromMinMax(
Center.X - _radius, Center.Y - _radius, Center.X + _radius, Center.Y + _radius)),
[DemoShape.AASegment] = new GridAASegment(Center, Center.Translation(0, _radius)),
[DemoShape.Segment] = new GridSegment(Center, Center.Translation(10, 10)),
[DemoShape.Circle] = new GridCircle(Center, _radius),
[DemoShape.Fan] = new GridFan(Center, _radius, _direction8),
};
SwitchShape(DemoShape.Point);
}
public void TestEquality()
{
var box1 = GridBoundingBox.FromMinMaxExcl(0, 0, 1, 3);
var box2 = GridBoundingBox.FromMinMax(0, 0, 0, 2);
var box3 = GridBoundingBox.FromMinMax(0, 0, 1, 3);
Assert.Equal(box1, box2);
Assert.True(box1 == box2);
Assert.NotEqual(box1, box3);
Assert.True(box1 != box3);
}
public void TestPack()
{
var b1 = GridBoundingBox.FromMinMax(1, 1, 3, 3);
var b2 = GridBoundingBox.FromMinMax(3, 3, 5, 5);
var b3 = GridBoundingBox.FromMinMax(1, 5, 3, 7);
var b4 = GridBoundingBox.FromMinMax(1, 10, 3, 12);
var boxes = new[] { b1, b2, b3, b4 };
GridBoundingBoxes.Pack(boxes);
Assert.Empty(GridBoundingBoxes.FindOverlappingBoxes(boxes));
}
public void TestFindCenterOfMass()
{
var b1 = GridBoundingBox.FromMinMax(1, 1, 3, 3);
var b2 = GridBoundingBox.FromMinMax(3, 3, 5, 5);
var b3 = GridBoundingBox.FromMinMax(1, 5, 3, 7);
var b4 = GridBoundingBox.FromMinMax(1, 10, 3, 12);
var boxes = new[] { b1, b2, b3, b4 };
var center = GridBoundingBoxes.FindCenterOfMass(boxes);
Assert.Equal(2, center.X);
Assert.Equal(5, center.Y);
}
public void TestFindOverlappingBoxes()
{
var b1 = GridBoundingBox.FromMinMax(1, 1, 3, 3);
var b2 = GridBoundingBox.FromMinMax(3, 3, 5, 5);
var b3 = GridBoundingBox.FromMinMax(1, 5, 3, 7);
var b4 = GridBoundingBox.FromMinMax(1, 10, 3, 12);
var boxes = new[] { b1, b2, b3, b4 };
var overlappingGroups = GridBoundingBoxes.FindOverlappingBoxes(boxes);
Assert.Equal(2, overlappingGroups.Count);
Assert.Equal(2, overlappingGroups[0].Count);
Assert.Equal(2, overlappingGroups[1].Count);
}
