using DevExpress.XtraBars.Docking.Paint;
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using DevExpress.XtraEditors;
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using SharpGL;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Windows.Media;
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namespace Yw.WinFrmUI.HydroL3d
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{
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public partial class NetworkPanel : DevExpress.XtraEditors.XtraUserControl
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{
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public NetworkPanel()
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{
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InitializeComponent();
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}
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protected Network _network = null;//管网
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protected BoundingBox3d _bounndingBox = null;//包围盒
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protected Point3d _center = null;//中心
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/// <summary>
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/// 是否初始化
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/// </summary>
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public bool Initialized => _network != null;
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/// <summary>
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/// 初始化
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/// </summary>
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public virtual void Initial(Network network)
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{
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_network = network;
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_bounndingBox = _network.GetBoundingBox();
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_center = _bounndingBox.GetCenter();
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}
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private void openGLControl1_OpenGLDraw(object sender, RenderEventArgs args)
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{
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if (_network == null)
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{
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return;
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}
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SharpGL.OpenGL gl = this.openGLControl1.OpenGL;
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//清除深度缓存
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gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
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//重置当前指定的矩阵为单位矩阵,将当前的用户坐标系的原点移到了屏幕中心
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gl.LoadIdentity();
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gl.Translate(-_center.X, -_center.Y, -_bounndingBox.Max.Z);
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foreach (var pipe in _network.Pipes)
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{
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var startPosition = pipe.StartPosition;
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var endPosition = pipe.EndPosition;
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gl.Begin(OpenGL.GL_LINES);
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gl.Color(1.0f, 1.0f, 1.0f);
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gl.Vertex(startPosition.X, startPosition.Y, startPosition.Z);//左顶点
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gl.Vertex(endPosition.X, endPosition.Y, endPosition.Z);//右顶点
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gl.End();
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}
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//坐标轴变换位置到(0.0f, 0.0f, -5.0f)，这样我们的坐标轴就相当于往屏幕内走5个单位
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//gl.Translate(0.0f, 0.0f, -5.0f);
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//rotation_X += 1f;
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//gl.Rotate(rotation_X, 1.0f, 0.0f, 0.0f);//rotationX:角度
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//rotation_Y += 1f;
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//gl.Rotate(rotation_Y, 0.0f, 1.0f, 0.0f);//rotationY:角度
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//rotation_Z += 1f;
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//gl.Rotate(rotation_Z, 0.0f, 0.0f, 1.0f);//rotationZ:角度
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//#region 点到线
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//gl.Begin(OpenGL.GL_LINES);
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//gl.Color(1.0f, 1.0f, 1.0f);
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//gl.Vertex(-2.0f, 0.0f, 0.0f);//左顶点
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//gl.Vertex(2.0f, 2.0f, 0.0f);//右顶点
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//gl.End();
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//#endregion
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//#region 线成面(三角形)
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//gl.Begin(OpenGL.GL_TRIANGLES);//第一个面
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//gl.Color(1.0f, 0.0f, 0.0f);
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//gl.Vertex(0.0f, 1f, 0.0f);//顶点
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//gl.Color(0.0f, 1.0f, 0.0f);
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//gl.Vertex(-1.0f, -1.0f, 0.0f);//左顶点
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//gl.Color(0.0f, 0.0f, 1.0f);
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//gl.Vertex(1.0f, -1.0f, 0.0f);//右顶点
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//gl.End();
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//#endregion
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//#region 面组合成体
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//gl.Begin(OpenGL.GL_TRIANGLES);//第二个面
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//gl.Color(1.0f, 1.0f, 1.0f);
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//gl.Vertex(0.0f, 0.0f, -2.0f);//第四个点
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//gl.Color(0.0f, 1.0f, 0.0f);
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//gl.Vertex(-1.0f, -1.0f, 0.0f);//左顶点
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//gl.Color(0.0f, 0.0f, 1.0f);
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//gl.Vertex(1.0f, -1.0f, 0.0f);//右顶点
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//gl.End();
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//gl.Begin(OpenGL.GL_TRIANGLES);//第三个面
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//gl.Color(1.0f, 1.0f, 1.0f);
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//gl.Vertex(0.0f, 0.0f, -2.0f);//第四个点
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//gl.Color(0.0f, 1.0f, 0.0f);
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//gl.Vertex(-1.0f, -1.0f, 0.0f);//左顶点
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//gl.Color(1.0f, 0.0f, 0.0f);
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//gl.Vertex(0.0f, 1f, 0.0f);//顶点
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//gl.End();
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//gl.Begin(OpenGL.GL_TRIANGLES);//第四个面
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//gl.Color(1.0f, 1.0f, 1.0f);
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//gl.Vertex(0.0f, 0.0f, -2.0f);//第四个点
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//gl.Color(0.0f, 0.0f, 1.0f);
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//gl.Vertex(1.0f, -1.0f, 0.0f);//右顶点
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//gl.Color(1.0f, 0.0f, 0.0f);
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//gl.Vertex(0.0f, 1f, 0.0f);//顶点
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//gl.End();
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//#endregion
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gl.Flush(); //强制刷新
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}
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private void openGLControl1_OpenGLInitialized(object sender, EventArgs e)
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{
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OpenGL gl = openGLControl1.OpenGL;
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gl.ClearColor(0, 0, 0, 0);
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}
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private void openGLControl1_Resize(object sender, EventArgs e)
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{
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if (_network == null)
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{
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return;
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}
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OpenGL gl = openGLControl1.OpenGL;
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// 设置当前矩阵模式,对投影矩阵应用随后的矩阵操作
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gl.MatrixMode(OpenGL.GL_PROJECTION);
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// 重置当前指定的矩阵为单位矩阵,将当前的用户坐标系的原点移到了屏幕中心
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gl.LoadIdentity();
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// 创建透视投影变换
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//gl.Perspective(30.0f, (double)Width / (double)Height, 5, 100);
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gl.Perspective(150, (double)Width / (double)Height, 5, _bounndingBox.Max.Z);
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// 视点变换
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//gl.LookAt(0, 5, 0, 0, 0, 0, 0, 1, 0);
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gl.LookAt(_center.X, _center.Y, 0, _center.X, _center.Y, _center.Z, 0, 1, 0);
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// 设置当前矩阵为模型视图矩阵
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gl.MatrixMode(OpenGL.GL_MODELVIEW);
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}
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}
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}
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