/// <summary>
/// Constructs a new instance of <see cref="TrackableObjectChangedEventArgs"/> from the specified values.
/// </summary>
/// <param name="newPosition">The <see cref="NewPosition"/>.</param>
/// <param name="oldPosition">The <see cref="OldPosition"/>.</param>
/// <param name="newSize">The <see cref="NewSize"/>.</param>
/// <param name="oldSize">The <see cref="OldSize"/>.</param>
public TrackableObjectChangedEventArgs(PointF newPosition, PointF oldPosition, SizeF newSize, SizeF oldSize)
{
NewPosition = newPosition;
OldPosition = oldPosition;
NewSize = newSize;
OldSize = oldSize;
}
public void CreatePointFStructure_0_1f_1_56f()
{
var expectedX = 0.1f;
var expectedY = 1.56f;
PointF point = new PointF(0.1f, 1.56f);
Assert.AreEqual(expectedX, point.X);
Assert.AreEqual(expectedY, point.Y);
}
public void CreatePointFStructure_0_0f_0_0f()
{
var expectedX = 0.0f;
var expectedY = 0.0f;
PointF point = new PointF(0.0f, 0.0f);
Assert.AreEqual(expectedX, point.X);
Assert.AreEqual(expectedY, point.Y);
}
public void Round_0_1f_1_56f()
{
var expectedX = 0x00;
var expectedY = 0x02;
PointF point = new PointF(0.1f, 1.56f);
Point rounded = Point.Round(point);
Assert.AreEqual(expectedX, rounded.X);
Assert.AreEqual(expectedY, rounded.Y);
}
public void Intersect_OnePositive_OneNegative_Line_0_0_2_2_Line_2_0_0_2()
{
// \ /
// \/
// /\
// / \
var expected = new PointF(1f, 1f);
var l1 = new Line(new Point(0, 0), new Point(2, 2));
var l2 = new Line(new Point(2, 0), new Point(0, 2));
var actual = Line.Intersect(l1, l2).Value;
Assert.AreEqual(expected, actual);
}
public void Intersect_OneHorizontal_OnePositive_Line_0_0_2_2_Line_0_1_2_1()
{
// /
// __/_
// /
// /
var expected = new PointF(1f, 1f);
var l1 = new Line(new Point(0, 0), new Point(2, 2));
var l2 = new Line(new Point(0, 1), new Point(2, 1));
var actual = Line.Intersect(l1, l2).Value;
Assert.AreEqual(expected, actual);
}
public void Intersect_OneVertical_OnePositive_Line_0_0_2_2_Line_1_0_1_2()
{
// |/
// |
// /|
// / |
var expected = new PointF(1f, 1f);
var l1 = new Line(new Point(0, 0), new Point(2, 2));
var l2 = new Line(new Point(1, 0), new Point(1, 2));
var actual = Line.Intersect(l1, l2).Value;
Assert.AreEqual(expected, actual);
}
public void Intersect_BothPositive_Line_0_0_2_2_Line_1_0_2_2()
{
// _/
// _//
// /
// /
var expected = new PointF(2f, 2f);
var l1 = new Line(new Point(0, 0), new Point(2, 2));
var l2 = new Line(new Point(1, 0), new Point(2, 2));
var actual = Line.Intersect(l1, l2);
Assert.AreEqual(expected, actual);
}
/// <summary> /// Offsets a <see cref="PointF"/> by the specified <see cref="SizeF"/>. /// </summary> /// <param name="pt">The <see cref="PointF"/> that should be offset.</param> /// <param name="sz">The <see cref="SizeF"/> to offset by.</param> /// <returns>A new <see cref="PointF"/> that has been offset.</returns> public static PointF Add(PointF pt, SizeF sz) => pt + sz;
/// <summary>
/// Updates the <see cref="Position"/> of the current <see cref="Camera"/> instance to the value specified.
/// </summary>
/// <param name="position">A <see cref="PointF"/> representing the new <see cref="Position"/> of the <see cref="Camera"/>.</param>
public void SetPosition(PointF position)
{
Position = position;
}
public bool WithinY(PointF pt) => (pt.Y >= Start.Y && pt.Y <= End.Y) || (pt.Y <= Start.Y && pt.Y >= End.Y);
/// <summary> /// Determines if the <see cref="Bounds"/> contains the specified <see cref="PointF"/>. /// </summary> /// <param name="pt">The <see cref="PointF"/> to test.</param> /// <returns>True if the <see cref="PointF"/> fits in the current <see cref="Bounds"/>.</returns> /// <remarks> /// If it is already know that the <see cref="PointF"/> fits on the <see cref="Line"/> at <b>some</b> location, then this is an inexpensive operation to see if the <see cref="PointF"/> is within the current <see cref="Line"/> segment. /// </remarks> public bool RectContainsPoint(PointF pt) => WithinX(pt) && WithinY(pt);
/// <summary> /// Constructs a new <see cref="PointShort"/> from the specified <see cref="PointF"/> by rounding all values down to the nearest whole number. /// </summary> /// <param name="value">The <see cref="PointF"/> to be rounded down.</param> /// <returns>The <see cref="PointShort"/> representing the rounded <see cref="PointF"/>.</returns> public static PointShort Truncate(PointF value) => new PointShort((short)(value.X), (short)(value.Y));
/// <summary> /// Constructs a new <see cref="PointShort"/> from the specified <see cref="PointF"/> by rounding all float values up to the nearest whole number. /// </summary> /// <param name="value">The <see cref="PointF"/> to be rounded up.</param> /// <returns>The <see cref="PointShort"/> representing the rounded <see cref="PointF"/>.</returns> public static PointShort Ceiling(PointF value) => new PointShort((short)Math.Ceiling(value.X), (short)Math.Ceiling(value.Y));
public void Truncate_0_1f_1_56f()
{
var expectedX = 0x00;
var expectedY = 0x01;
PointF point = new PointF(0.1f, 1.56f);
Point rounded = Point.Truncate(point);
Assert.AreEqual(expectedX, rounded.X);
Assert.AreEqual(expectedY, rounded.Y);
}
/// <summary> /// Constructs a new <see cref="Point"/> from the specified <see cref="PointF"/> by rounding all values to the nearest whole number. /// </summary> /// <param name="value">The <see cref="PointF"/> to be rounded.</param> /// <returns>The <see cref="Point"/> representing the rounded <see cref="PointF"/>.</returns> public static Point Round(PointF value) => new Point((int)Math.Round(value.X), (int)Math.Round(value.Y));
/// <summary> /// Constructs a new <see cref="Point"/> from the specified <see cref="PointF"/> by rounding all float values up to the nearest whole number. /// </summary> /// <param name="value">The <see cref="PointF"/> to be rounded up.</param> /// <returns>The <see cref="Point"/> representing the rounded <see cref="PointF"/>.</returns> public static Point Ceiling(PointF value) => new Point((int)Math.Ceiling(value.X), (int)Math.Ceiling(value.Y));
/// <summary> /// Constructs a new <see cref="Point"/> from the specified <see cref="PointF"/> by rounding all values down to the nearest whole number. /// </summary> /// <param name="value">The <see cref="PointF"/> to be rounded down.</param> /// <returns>The <see cref="Point"/> representing the rounded <see cref="PointF"/>.</returns> public static Point Truncate(PointF value) => new Point((int)(value.X), (int)(value.Y));
/// <summary> /// Determines if a <see cref="PointF"/> is contained within the current <see cref="RectangleF"/>. /// </summary> /// <param name="pt">The <see cref="PointF"/> to test.</param> /// <returns>True if pt is contained within this <see cref="RectangleF"/>.</returns> public bool Contains(PointF pt) => Contains(pt.X, pt.Y);
/// <summary>
/// Constructs a new instance of <see cref="RectangleF"/> from the specified <see cref="PointF"/> and <see cref="SizeF"/>.
/// </summary>
/// <param name="location">The <see cref="Location"/> of the <see cref="RectangleF"/>.</param>
/// <param name="size">The <see cref="Size"/> of the <see cref="RectangleF"/>.</param>
public RectangleF(PointF location, SizeF size)
{
Location = location;
Size = size;
}
/// <summary> /// Constructs a new <see cref="PointShort"/> from the specified <see cref="PointF"/> by rounding all values to the nearest whole number. /// </summary> /// <param name="value">The <see cref="PointF"/> to be rounded.</param> /// <returns>The <see cref="PointShort"/> representing the rounded <see cref="PointF"/>.</returns> public static PointShort Round(PointF value) => new PointShort((short)Math.Round(value.X), (short)Math.Round(value.Y));
/// <summary> /// Moves this <see cref="RectangleF"/> by the specified <see cref="PointF"/>. /// </summary> /// <param name="pos">The <see cref="PointF"/> containing the values to move by.</param> /// <returns>A new <see cref="RectangleF"/> moved by the <see cref="PointF"/> values.</returns> public RectangleF Offset(PointF pos) => new RectangleF(new PointF(Location.X + pos.X, Location.Y + pos.Y), Size);
public Line(PointF start, PointF end)
{
Start = start;
End = end;
Vector = new Vector2F(End.X - Start.X, End.Y - Start.Y);
}
/// <summary>
/// Constructs a new instance of <see cref="RectangleF"/> from the specified <see cref="X"/>, <see cref="Y"/>, <see cref="Width"/> and <see cref="Height"/>.
/// </summary>
/// <param name="x">A value representing the <see cref="X"/> of the <see cref="RectangleF"/>.</param>
/// <param name="y">A value representing the <see cref="Y"/> of the <see cref="RectangleF"/>.</param>
/// <param name="width">A value representing the <see cref="Width"/> of the <see cref="RectangleF"/>.</param>
/// <param name="height">A value representing the <see cref="Height"/> of the <see cref="RectangleF"/>.</param>
public RectangleF(float x, float y, float width, float height)
{
Location = new PointF(x, y);
Size = new SizeF(width, height);
}
public bool WithinX(PointF pt) => (pt.X >= Start.X && pt.X <= End.X) || (pt.X <= Start.X && pt.X >= End.X);
/// <summary>
/// Constructs a new instance of <see cref="SizeF"/> from the specified <see cref="PointF"/>.
/// </summary>
/// <param name="pt">The <see cref="PointF"/> to construct the <see cref="SizeF"/> from.</param>
/// <remarks>
/// The <see cref="PointF.X"/> will become the <see cref="Width"/> and the <see cref="PointF.Y"/> will be the <see cref="Height"/>.
/// </remarks>
public SizeF(PointF pt)
{
Width = pt.X;
Height = pt.Y;
}
private void trackObject_TrackableObjectChanged(object sender, TrackableObjectChangedEventArgs e)
{
// We should make the new camera position the same as the position of the entity, minus the centering
_position = new PointF((e.NewPosition.X + e.NewSize.Width) / 2.0f - RelativeCenter.X, (e.NewPosition.Y + e.NewSize.Height) / 2.0f - RelativeCenter.Y);
}
public void Intersect_OneVertical_OneHorizontal_Line_1_0_1_2_Line_0_1_2_1()
{
// |
// __|_
// |
// |
var expected = new PointF(1f, 1f);
var l1 = new Line(new Point(1, 0), new Point(1, 2));
var l2 = new Line(new Point(0, 1), new Point(2, 1));
var actual = Line.Intersect(l1, l2);
Assert.AreEqual(expected, actual);
}
/// <summary>
/// Alters the <see cref="Position"/> of the current <see cref="Camera"/> instance by the specified <see cref="Vector2F"/>.
/// </summary>
/// <param name="vector">The distance to move the <see cref="Camera"/>.</param>
public void MoveCamera(Vector2F vector)
{
Position = new PointF(Position.X + vector.X, Position.Y + vector.Y);
}
/// <summary> /// Subtracts a <see cref="PointF"/> by a <see cref="SizeF"/>. /// </summary> /// <param name="pt">The <see cref="PointF"/> to be subtracted from.</param> /// <param name="sz">The <see cref="SizeF"/> to subtract.</param> /// <returns>A <see cref="PointF"/> representing the difference.</returns> public static PointF Subtract(PointF pt, SizeF sz) => pt - sz;