namespace Yw.WinFrmUI.HydroL3d
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{
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/// <summary>
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/// 阀门
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/// </summary>
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public class Valve : Link
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{
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/// <summary>
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/// 线色
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/// </summary>
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public Color? LineColor { get; set; }
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/// <summary>
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/// 线宽
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/// </summary>
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public float? LineWidth { get; set; }
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/// <summary>
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/// 悬停线色
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/// </summary>
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public Color? HoveredLineColor { get; set; }
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/// <summary>
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/// 悬停线宽
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/// </summary>
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public float? HoveredLineWidth { get; set; }
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/// <summary>
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/// 选择线色
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/// </summary>
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public Color? SelectedLineColor { get; set; }
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/// <summary>
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/// 选择线宽
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/// </summary>
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public float? SelectedLineWidth { get; set; }
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/// <summary>
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/// 宽度
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/// </summary>
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public float? Width { get; set; }
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/// <summary>
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/// 高度
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/// </summary>
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public float? Height { get; set; }
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/// <summary>
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/// 悬停宽度
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/// </summary>
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public float? HoveredWidth { get; set; }
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/// <summary>
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/// 悬停高度
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/// </summary>
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public float? HoveredHeight { get; set; }
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/// <summary>
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/// 选择宽度
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/// </summary>
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public float? SelectedWidth { get; set; }
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/// <summary>
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/// 选择高度
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/// </summary>
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public float? SelectedHeight { get; set; }
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//包围盒
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private BoundingBox3d _boundingBox = null;
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//获取包围盒
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private BoundingBox3d GetBoundingBox()
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{
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var lineWidth = this.LineWidth.HasValue ? this.LineWidth.Value : CacheHelper.HydroL3d.Pipe.Line.Width;
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return new BoundingBox3d()
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{
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Min = new Point3d()
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{
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X = Math.Min(this.StartPosition.X, this.EndPosition.X) - lineWidth / 2f,
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Y = Math.Min(this.StartPosition.Y, this.EndPosition.Y) - lineWidth / 2f,
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Z = Math.Min(this.StartPosition.Z, this.EndPosition.Z) - lineWidth / 2f
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},
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Max = new Point3d()
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{
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X = Math.Max(this.StartPosition.X, this.EndPosition.X) + lineWidth / 2f,
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Y = Math.Max(this.StartPosition.Y, this.EndPosition.Y) + lineWidth / 2f,
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Z = Math.Max(this.StartPosition.Z, this.EndPosition.Z) + lineWidth / 2f
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}
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};
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}
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/// <summary>
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/// 绘制
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/// </summary>
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public override void Draw(SharpGL.OpenGL gl)
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{
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_boundingBox = GetBoundingBox();
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if (this.Hovered)
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{
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var lineWidth = this.HoveredLineWidth.HasValue ? this.HoveredLineWidth.Value : CacheHelper.HydroL3d.Pipe.HoveredLine.Width;
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var lineColor = this.HoveredLineColor.HasValue ? this.HoveredLineColor.Value : ColorTranslator.FromHtml(CacheHelper.HydroL3d.Pipe.HoveredLine.Color);
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DrawPipe(gl, lineWidth / 2f, lineColor);
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}
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else if (this.Selected)
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{
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var lineWidth = this.SelectedLineWidth.HasValue ? this.SelectedLineWidth.Value : CacheHelper.HydroL3d.Pipe.SelectedLine.Width;
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var lineColor = this.SelectedLineColor.HasValue ? this.SelectedLineColor.Value : ColorTranslator.FromHtml(CacheHelper.HydroL3d.Pipe.SelectedLine.Color);
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DrawPipe(gl, lineWidth / 2f, lineColor);
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}
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else
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{
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var lineWidth = this.LineWidth.HasValue ? this.LineWidth.Value : CacheHelper.HydroL3d.Pipe.Line.Width;
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var lineColor = this.LineColor.HasValue ? this.LineColor.Value : ColorTranslator.FromHtml(CacheHelper.HydroL3d.Pipe.Line.Color);
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DrawPipe(gl, lineWidth / 2f, lineColor);
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}
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}
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//绘制管道
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private void DrawPipe(SharpGL.OpenGL gl, float radius, Color fillColor)
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{
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gl.Color(fillColor.R / 255.0f, fillColor.G / 255.0f, fillColor.B / 255.0f);
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int slices = 32; // 管道圆周的分段数，可根据需要修改
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Point3d direction = new Point3d(this.EndPosition - this.StartPosition);
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float length = direction.Length();
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direction.Normalize();
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// 计算旋转轴
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Point3d axis = Point3d.CrossProduct(new Point3d(0, 0, 1), direction);
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if (axis.LengthSquared() < 0.0001f)
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{
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axis = new Point3d(1, 0, 0);
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}
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axis.Normalize();
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float angle = (float)Math.Acos(Point3d.DotProduct(new Point3d(0, 0, 1), direction));
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gl.PushMatrix();
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// 平移到起点
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gl.Translate(this.StartPosition.X, this.StartPosition.Y, this.StartPosition.Z);
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// 绕轴旋转
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gl.Rotate(angle * 180.0f / (float)Math.PI, axis.X, axis.Y, axis.Z);
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// 绘制管道侧面
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gl.Begin(OpenGL.GL_QUAD_STRIP);
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for (int i = 0; i <= slices; i++)
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{
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float theta = (float)i / slices * 2.0f * (float)Math.PI;
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float x = radius * (float)Math.Cos(theta);
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float y = radius * (float)Math.Sin(theta);
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gl.Vertex(x, y, 0.0f);
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gl.Vertex(x, y, length);
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}
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gl.End();
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// 绘制管道两端的圆面
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gl.Begin(OpenGL.GL_POLYGON);
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for (int i = 0; i <= slices; i++)
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{
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float theta = (float)i / slices * 2.0f * (float)Math.PI;
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float x = radius * (float)Math.Cos(theta);
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float y = radius * (float)Math.Sin(theta);
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gl.Vertex(x, y, 0.0f);
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}
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gl.End();
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gl.Begin(OpenGL.GL_POLYGON);
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for (int i = 0; i <= slices; i++)
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{
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float theta = (float)i / slices * 2.0f * (float)Math.PI;
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float x = radius * (float)Math.Cos(theta);
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float y = radius * (float)Math.Sin(theta);
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gl.Vertex(x, y, length);
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}
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gl.End();
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gl.PopMatrix();
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}
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/// <summary>
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/// 包含
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/// </summary>
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public override bool Contains(Point3d pt)
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{
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if (_boundingBox == null)
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{
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return false;
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}
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return _boundingBox.Contains(pt);
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}
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}
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}
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