/// <summary>
/// Splits the line into two lines at the distance along the line given.
/// </summary>
/// <param name="distance">The distance along the line to split the line, in the range 0-1 (exclusive).</param>
/// <param name="line1">The first line.</param>
/// <param name="line2">The second line.</param>
/// <exception cref="System.ArgumentOutOfRangeException">The distance must be in the range 0-1.</exception>
public void SplitLine(float distance, out ILine line1, out ILine line2)
{
if (distance <= 0 || distance >= 1)
{
throw new ArgumentOutOfRangeException(
nameof(distance),
distance,
"The distance must be in the range 0-1.");
}
Vector2 p1 = Start;
Vector2 p2 = ControlPointA;
Vector2 p3 = ControlPointB;
Vector2 p4 = End;
Vector2 p12 = ((p2 - p1) * distance) + p1;
Vector2 p23 = ((p3 - p2) * distance) + p2;
Vector2 p34 = ((p4 - p3) * distance) + p3;
Vector2 p123 = ((p23 - p12) * distance) + p12;
Vector2 p234 = ((p34 - p23) * distance) + p23;
Vector2 p1234 = ((p234 - p123) * distance) + p123;
LineVector midVector = new LineVector(p1234);
line1 = new CubicBezierCurve(Start, new LineVector(p12), new LineVector(p123), midVector);
line2 = new CubicBezierCurve(midVector, new LineVector(p234), new LineVector(p34), End);
}
/// <summary>
/// Initializes a new instance of the <see cref="CubicBezierCurve" /> class.
/// </summary>
/// <param name="start">The start point.</param>
/// <param name="controlPointA">The first control point.</param>
/// <param name="controlPointB">The second control point.</param>
/// <param name="end">The end point.</param>
public CubicBezierCurve(
[NotNull] LineVector start,
[NotNull] LineVector controlPointA,
[NotNull] LineVector controlPointB,
[NotNull] LineVector end)
{
if (start == null)
{
throw new ArgumentNullException(nameof(start));
}
if (controlPointA == null)
{
throw new ArgumentNullException(nameof(controlPointA));
}
if (controlPointB == null)
{
throw new ArgumentNullException(nameof(controlPointB));
}
if (end == null)
{
throw new ArgumentNullException(nameof(end));
}
Start = start;
ControlPointA = controlPointA;
ControlPointB = controlPointB;
End = end;
}
/// <summary>
/// Initializes a new instance of the <see cref="Line" /> class.
/// </summary>
/// <param name="start">The start point.</param>
/// <param name="end">The end point.</param>
public Line([NotNull] LineVector start, [NotNull] LineVector end)
{
if (start == null)
{
throw new ArgumentNullException(nameof(start));
}
if (end == null)
{
throw new ArgumentNullException(nameof(end));
}
Start = start;
End = end;
}
/// <summary>
/// Splits the line into two lines at the distance along the line given.
/// </summary>
/// <param name="distance">The distance along the line to split the line, in the range 0-1 (exclusive).</param>
/// <param name="line1">The first line.</param>
/// <param name="line2">The second line.</param>
/// <exception cref="System.ArgumentOutOfRangeException">The distance must be in the range 0-1.</exception>
public void SplitLine(float distance, out ILine line1, out ILine line2)
{
if (distance <= 0 || distance >= 1)
{
throw new ArgumentOutOfRangeException(
nameof(distance),
distance,
"The distance must be in the range 0-1.");
}
Vector2 mid = Start + ((End.Vector - Start.Vector) * distance);
LineVector midVector = new LineVector(mid);
line1 = new Line(Start, midVector);
line2 = new Line(midVector, End);
}
/// <summary>
/// Initializes a new instance of the <see cref="QuadraticBezierCurve" /> class.
/// </summary>
/// <param name="start">The start point.</param>
/// <param name="controlPoint">The control point.</param>
/// <param name="end">The end point.</param>
public QuadraticBezierCurve(
[NotNull] LineVector start,
[NotNull] LineVector controlPoint,
[NotNull] LineVector end)
{
if (start == null)
{
throw new ArgumentNullException(nameof(start));
}
if (controlPoint == null)
{
throw new ArgumentNullException(nameof(controlPoint));
}
if (end == null)
{
throw new ArgumentNullException(nameof(end));
}
Start = start;
ControlPoint = controlPoint;
End = end;
}
/// <summary>
/// Splits the line into two lines at the distance along the line given.
/// </summary>
/// <param name="distance">The distance along the line to split the line, in the range 0-1 (exclusive).</param>
/// <param name="line1">The first line.</param>
/// <param name="line2">The second line.</param>
/// <exception cref="System.ArgumentOutOfRangeException">The distance must be in the range 0-1.</exception>
public void SplitLine(float distance, out ILine line1, out ILine line2)
{
if (distance <= 0 || distance >= 1)
{
throw new ArgumentOutOfRangeException(
nameof(distance),
distance,
"The distance must be in the range 0-1.");
}
Vector2 p1 = Start;
Vector2 p2 = ControlPoint;
Vector2 p3 = End;
Vector2 p12 = ((p2 - p1) * distance) + p1;
Vector2 p23 = ((p3 - p2) * distance) + p2;
Vector2 p123 = ((p23 - p12) * distance) + p12;
LineVector midVector = new LineVector(p123);
line1 = new QuadraticBezierCurve(Start, new LineVector(p12), midVector);
line2 = new QuadraticBezierCurve(midVector, new LineVector(p23), End);
}
/// <summary>
/// Splits the line into two lines at the distance along the line given.
/// </summary>
/// <param name="distance">The distance along the line to split the line, in the range 0-1 (exclusive).</param>
/// <param name="line1">The first line.</param>
/// <param name="line2">The second line.</param>
/// <exception cref="System.ArgumentOutOfRangeException">The distance must be in the range 0-1.</exception>
public void SplitLine(float distance, out ILine line1, out ILine line2)
{
if (distance <= 0 || distance >= 1)
{
throw new ArgumentOutOfRangeException(
nameof(distance),
distance,
"The distance must be in the range 0-1.");
}
Vector2 mid = Start + ((End.Vector - Start.Vector) * distance);
LineVector midVector = new LineVector(mid);
line1 = new Line(Start, midVector);
line2 = new Line(midVector, End);
}
