/// <summary>
/// 向拼图碎片的路径中添加一条边，路径的当前节点总是在起始点。
/// </summary>
/// <param name="path">路径。</param>
/// <param name="startPoint">边的起始点。</param>
/// <param name="endPoint">边的结束点。</param>
/// <param name="randoms">该边的凹凸性。</param>
/// <param name="border">与该条边相关的一组随机数，范围都是 [0, 1)。</param>
protected override void AddBorder(Path path, Vector2 startPoint, Vector2 endPoint, bool border, float[] randoms)
{
// 贝塞尔曲线的起始和结束点。
float rate1 = 1f / 3 + randoms[0] / 12;
Vector2 sp = Vector2.Lerp(startPoint, endPoint, rate1);
Vector2 ep = Vector2.Lerp(startPoint, endPoint, 1 - rate1);
// 贝塞尔曲线的控制点。
float rate2 = rate1 - randoms[1] / 4;
Vector2 c1 = Vector2.Lerp(startPoint, endPoint, rate2);
Vector2 c2 = Vector2.Lerp(startPoint, endPoint, 1 - rate2);
// 与边框垂直的向量。
Vector2 cross = new Vector2(endPoint.Y - startPoint.Y, startPoint.X - endPoint.X);
if (!border)
{
cross.X *= -1;
cross.Y *= -1;
}
cross *= 1f / 4 + randoms[2] / 8;
c1 += cross;
c2 += cross;
// 连接边框的贝塞尔曲线。
float rate3 = 1f / 6 + randoms[3] / 6;
Vector2 sc2 = sp + (sp - c1) * rate3;
Vector2 sc1 = Vector2.Lerp(startPoint, sc2, randoms[4]);
Vector2 ec1 = ep + (ep - c2) * rate3;
Vector2 ec2 = Vector2.Lerp(endPoint, ec1, randoms[4]);
path.AddBezier(sp, sc1, sc2);
path.AddBezier(ep, c1, c2);
path.AddBezier(endPoint, ec1, ec2);
}
public override void AddBezier(IPoint2F p1,
IPoint2F p2,
IPoint2F p3,
IPoint2F p4)
{
Path.AddBezier(Pf(p1), Pf(p2), Pf(p3), Pf(p4));
}
public override void AddBezier(Single x1,
Single y1,
Single x2,
Single y2,
Single x3,
Single y3,
Single x4,
Single y4)
{
Path.AddBezier(x1, y1, x2, y2, x3, y3, x4, y4);
}
private void LCPath()
{
WidthF = 6.02F;
HeightF = 6.02F;
Path.StartFigure();
Path.AddLines(new PointF[] { new PointF(-2.2F * Scale * _pixelToMmMultiple, -1.9F * -1 * Scale * _pixelToMmMultiple), new PointF(-2.2F * Scale * _pixelToMmMultiple, 1.9F * -1 * Scale * _pixelToMmMultiple) });
Path.AddBezier(-2.2F * Scale * _pixelToMmMultiple, 1.9F * -1 * Scale * _pixelToMmMultiple, -2.2F * Scale * _pixelToMmMultiple, 2.2F * -1 * Scale * _pixelToMmMultiple, -1.9F * Scale * _pixelToMmMultiple, 2.2F * -1 * Scale * _pixelToMmMultiple, -1.9F * Scale * _pixelToMmMultiple, 2.2F * -1 * Scale * _pixelToMmMultiple);
Path.AddLines(new PointF[] { new PointF(-1.59F * Scale * _pixelToMmMultiple, 2.2F * -1 * Scale * _pixelToMmMultiple), new PointF(-1.59F * Scale * _pixelToMmMultiple, 2.1F * -1 * Scale * _pixelToMmMultiple), new PointF(1.59F * Scale * _pixelToMmMultiple, 2.1F * -1 * Scale * _pixelToMmMultiple), new PointF(1.59F * Scale * _pixelToMmMultiple, 2.2F * -1 * Scale * _pixelToMmMultiple) });
Path.AddBezier(1.9F * Scale * _pixelToMmMultiple, 2.2F * -1 * Scale * _pixelToMmMultiple, 1.9F * Scale * _pixelToMmMultiple, 2.2F * -1 * Scale * _pixelToMmMultiple, 2.2F * Scale * _pixelToMmMultiple, 2.2F * -1 * Scale * _pixelToMmMultiple, 2.2F * Scale * _pixelToMmMultiple, 1.9F * -1 * Scale * _pixelToMmMultiple);
Path.AddLines(new PointF[] { new PointF(2.2F * Scale * _pixelToMmMultiple, 1.9F * -1 * Scale * _pixelToMmMultiple), new PointF(2.2F * Scale * _pixelToMmMultiple, -1.9F * -1 * Scale * _pixelToMmMultiple) });
Path.AddBezier(2.2F * Scale * _pixelToMmMultiple, -1.9F * -1 * Scale * _pixelToMmMultiple, 2.2F * Scale * _pixelToMmMultiple, -1.9F * -1 * Scale * _pixelToMmMultiple, 2.2F * Scale * _pixelToMmMultiple, -2.2F * -1 * Scale * _pixelToMmMultiple, 1.9F * Scale * _pixelToMmMultiple, -2.2F * -1 * Scale * _pixelToMmMultiple);
Path.AddLines(new PointF[] { new PointF(1.9F * Scale * _pixelToMmMultiple, -2.2F * -1 * Scale * _pixelToMmMultiple), new PointF(-1.9F * Scale * _pixelToMmMultiple, -2.2F * -1 * Scale * _pixelToMmMultiple) });
Path.AddBezier(-1.9F * Scale * _pixelToMmMultiple, -2.2F * -1 * Scale * _pixelToMmMultiple, -1.9F * Scale * _pixelToMmMultiple, -2.2F * -1 * Scale * _pixelToMmMultiple, -2.2F * Scale * _pixelToMmMultiple, -2.2F * -1 * Scale * _pixelToMmMultiple, -2.2F * Scale * _pixelToMmMultiple, -1.9F * -1 * Scale * _pixelToMmMultiple);
Path.CloseFigure();
Path.StartFigure();
Path.AddLines(new PointF[] { new PointF(-2.1F * Scale * _pixelToMmMultiple, -1.8F * -1 * Scale * _pixelToMmMultiple) });
Path.AddBezier(-2.1F * Scale * _pixelToMmMultiple, 1.8F * -1 * Scale * _pixelToMmMultiple, -2.1F * Scale * _pixelToMmMultiple, 2.1F * -1 * Scale * _pixelToMmMultiple, -1.8F * Scale * _pixelToMmMultiple, 2.1F * -1 * Scale * _pixelToMmMultiple, -1.8F * Scale * _pixelToMmMultiple, 2.1F * -1 * Scale * _pixelToMmMultiple);
Path.AddLines(new PointF[] { new PointF(-1.8F * Scale * _pixelToMmMultiple, 2.1F * -1 * Scale * _pixelToMmMultiple), new PointF(1.8F * Scale * _pixelToMmMultiple, 2.1F * -1 * Scale * _pixelToMmMultiple) });
Path.AddBezier(1.8F * Scale * _pixelToMmMultiple, 2.1F * -1 * Scale * _pixelToMmMultiple, 2.1F * Scale * _pixelToMmMultiple, 2.1F * -1 * Scale * _pixelToMmMultiple, 2.1F * Scale * _pixelToMmMultiple, 1.8F * -1 * Scale * _pixelToMmMultiple, 2.1F * Scale * _pixelToMmMultiple, 1.8F * -1 * Scale * _pixelToMmMultiple);
Path.AddLines(new PointF[] { new PointF(2.1F * Scale * _pixelToMmMultiple, 1.2F * -1 * Scale * _pixelToMmMultiple), new PointF(2.1F * Scale * _pixelToMmMultiple, -1.2F * -1 * Scale * _pixelToMmMultiple) });
Path.AddBezier(2.1F * Scale * _pixelToMmMultiple, -1.8F * -1 * Scale * _pixelToMmMultiple, 2.1F * Scale * _pixelToMmMultiple, -1.8F * -1 * Scale * _pixelToMmMultiple, 2.1F * Scale * _pixelToMmMultiple, -2.1F * -1 * Scale * _pixelToMmMultiple, 1.8F * Scale * _pixelToMmMultiple, -2.1F * -1 * Scale * _pixelToMmMultiple);
Path.AddLines(new PointF[] { new PointF(1.8F * Scale * _pixelToMmMultiple, -2.1F * -1 * Scale * _pixelToMmMultiple), new PointF(-1.8F * Scale * _pixelToMmMultiple, -2.1F * -1 * Scale * _pixelToMmMultiple) });
Path.AddBezier(-1.8F * Scale * _pixelToMmMultiple, -2.1F * -1 * Scale * _pixelToMmMultiple, -2.1F * Scale * _pixelToMmMultiple, -2.1F * -1 * Scale * _pixelToMmMultiple, -2.1F * Scale * _pixelToMmMultiple, -1.8F * -1 * Scale * _pixelToMmMultiple, -2.1F * Scale * _pixelToMmMultiple, -1.8F * -1 * Scale * _pixelToMmMultiple);
Path.CloseFigure();
Path.StartFigure();
Path.AddRectangle(new RectangleF(-1.6F * Scale * _pixelToMmMultiple, 2.39F * -1 * Scale * _pixelToMmMultiple, 3.2F * Scale * _pixelToMmMultiple, 0.29F * Scale * _pixelToMmMultiple));
Path.CloseFigure();
Path.StartFigure();
Path.AddRectangle(new RectangleF(-1.6F * Scale * _pixelToMmMultiple, 2.59F * -1 * Scale * _pixelToMmMultiple, 3.2F * Scale * _pixelToMmMultiple, 0.2F * Scale * _pixelToMmMultiple));
Path.CloseFigure();
Path.StartFigure();
Path.AddArc(-0.625F * Scale * _pixelToMmMultiple, 0.625F * -1 * Scale * _pixelToMmMultiple, 1.25F * Scale * _pixelToMmMultiple, 1.25F * Scale * _pixelToMmMultiple, 180F, 360F);
Path.CloseFigure();
Path.StartFigure();
Path.AddArc(-0.3F * Scale * _pixelToMmMultiple, 0.3F * -1 * Scale * _pixelToMmMultiple, 0.6F * Scale * _pixelToMmMultiple, 0.6F * Scale * _pixelToMmMultiple, 180F, 360F);
Path.CloseFigure();
Path.StartFigure();
Path.AddArc(-1.5F * Scale * _pixelToMmMultiple, 1.5F * -1 * Scale * _pixelToMmMultiple, 3F * Scale * _pixelToMmMultiple, 3F * Scale * _pixelToMmMultiple, 180F, 360F);
Path.CloseFigure();
}
/// <summary>
/// 向拼图碎片的路径中添加一条边，路径的当前节点总是在起始点。
/// </summary>
/// <param name="path">路径。</param>
/// <param name="startPoint">边的起始点。</param>
/// <param name="endPoint">边的结束点。</param>
/// <param name="randoms">该边的凹凸性。</param>
/// <param name="border">与该条边相关的一组随机数，范围都是 [0, 1)。</param>
protected override void AddBorder(Path path, Vector2 startPoint, Vector2 endPoint,
bool border, float[] randoms)
{
// 贝塞尔曲线的起始和结束点。
float rate1 = 1f / 3 + randoms[0] / 12;
Vector2 sp = Vector2.Lerp(startPoint, endPoint, rate1);
Vector2 ep = Vector2.Lerp(startPoint, endPoint, 1 - rate1);
// 贝塞尔曲线的控制点。
float rate2 = rate1 - randoms[1] / 4;
Vector2 c1 = Vector2.Lerp(startPoint, endPoint, rate2);
Vector2 c2 = Vector2.Lerp(startPoint, endPoint, 1 - rate2);
// 与边框垂直的向量。
Vector2 cross = new Vector2(endPoint.Y - startPoint.Y, startPoint.X - endPoint.X);
if (!border)
{
cross.X *= -1;
cross.Y *= -1;
}
cross *= 1f / 4 + randoms[2] / 8;
path.AddLine(sp);
path.AddBezier(ep, c1 + cross, c2 + cross);
path.AddLine(endPoint);
}
public void AddBezier(Point startPoint, Point controlPoint1, Point controlPoint2, Point endPoint)
{
Path.AddBezier(startPoint, controlPoint1, controlPoint2, endPoint);
}
public void BezierTo(float x1, float y1, float x2, float y2, float x3, float y3)
{
Path.AddBezier(X, Y, x1, y1, x2, y2, x3, y3);
MoveTo(x3, y3);
}