[3D]绘制XYZ小坐标轴

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using SlimDX;
  6 using RGeos.SlimScene.Core;
  7 using SlimDX.Direct3D9;
  8 using System.Drawing;
  9 
 10 namespace RGeos.SlimScene.Renderable
 11 {
 12     public class Axis :  IRenderable
 13     {
 14         public bool IsOn = true;
 15         public bool IsInitialize = false;
 16         public Mesh mMeshArrow = null;
 17         public Mesh mMeshStick = null;
 18         private Material material;//定义材质变量 
 19         private Material materialStick;//定义材质变量 
 20         public void Initialize(DrawArgs drawArgs)
 21         {
 22             if (IsOn && !IsInitialize)
 23             {
 24                 mMeshArrow = Mesh.CreateCylinder(drawArgs.Device, 1.5f, 0.0f, 5.0f, 12, 5);
 25                 mMeshStick = Mesh.CreateCylinder(drawArgs.Device, 0.5f, 0.5f, 10.0f, 6, 6);
 26                 LoadTexturesAndMaterials(drawArgs);
 27             }
 28             IsInitialize = true;
 29         }
 30         private void LoadTexturesAndMaterials(DrawArgs drawArgs)//导入贴图和材质 
 31         {
 32             material = new Material();
 33             material.Diffuse = Color.Red;
 34             material.Ambient = Color.White;
 35             material.Specular = Color.Yellow;
 36             material.Power = 15.0F;
 37 
 38             materialStick = new Material();
 39             materialStick.Diffuse = Color.Yellow;
 40             materialStick.Ambient = Color.White;
 41             materialStick.Specular = Color.Yellow;
 42             materialStick.Power = 15.0F;
 43         }
 44         public void Update(DrawArgs drawArgs)
 45         {
 46             if (IsOn && !IsInitialize)
 47             {
 48                 Initialize(drawArgs);
 49             }
 50         }
 51 
 52         public void Render(DrawArgs drawArgs)
 53         {
 54             Matrix world = drawArgs.Device.GetTransform(TransformState.World);
 55             int currentColorOp = drawArgs.Device.GetTextureStageState(0, TextureStage.ColorOperation);
 56             int lightCur = drawArgs.Device.GetRenderState(RenderState.Lighting);
 57             try
 58             {
 59                 drawArgs.Device.SetRenderState(RenderState.Lighting, true);
 60                 drawArgs.Device.EnableLight(0, true);
 61                 AxisX(drawArgs);
 62                 AxisY(drawArgs);
 63                 AxisZ(drawArgs);
 64 
 65             }
 66             catch (Exception)
 67             {
 68             }
 69             finally
 70             {
 71                 drawArgs.Device.EnableLight(0, false);
 72                 drawArgs.Device.SetTextureStageState(0, TextureStage.ColorOperation, currentColorOp);
 73                 drawArgs.Device.SetTransform(TransformState.World, world);
 74                 drawArgs.Device.SetRenderState(RenderState.Lighting, lightCur);
 75             }
 76 
 77         }
 78 
 79         public void AxisX(DrawArgs drawArgs)
 80         {
 81             Light light = new Light();
 82             light.Type = LightType.Spot;
 83             light.Diffuse = Color.White;
 84             light.Direction = new Vector3(mPosition.X, mPosition.Y + 2, mPosition.Z + 4);
 85             drawArgs.Device.SetLight(0, light);
 86 
 87             //drawArgs.Device.SetTextureStageState(0, TextureStage.ColorOperation, TextureOperation.SelectArg1);
 88             drawArgs.Device.SetRenderState(RenderState.Ambient, Color.FromArgb(Color.Red.ToArgb()).ToArgb());
 89 
 90             drawArgs.Device.Material = material;
 91 
 92             Matrix MoveModel = Matrix.Translation(new Vector3(12.5f, 0f, 0f));
 93             MoveModel = Matrix.RotationY((float)Math.PI / 2) * MoveModel;//右乘
 94             Matrix tmp = Matrix.RotationZ((float)mAngle);
 95             tmp = tmp * Matrix.Translation(mPosition.X, mPosition.Y, mPosition.Z);
 96             tmp = MoveModel * tmp;
 97             drawArgs.Device.SetTransform(TransformState.World, tmp);
 98             //设置顶点格式
 99             mMeshArrow.DrawSubset(0);
100 
101             Light light2 = new Light();
102             light2.Type = LightType.Directional;
103             light2.Diffuse = Color.White;
104             light.Direction = new Vector3(mPosition.X, mPosition.Y + 2, mPosition.Z + 4);
105             drawArgs.Device.SetLight(0, light2);
106 
107             drawArgs.Device.SetRenderState(RenderState.Ambient, Color.FromArgb(Color.Red.ToArgb()).ToArgb());
108 
109             drawArgs.Device.Material = materialStick;
110 
111             Matrix MoveModel2 = Matrix.Translation(new Vector3(5, 0, 0));
112             MoveModel2 = Matrix.RotationY((float)Math.PI / 2) * MoveModel2;
113             Matrix tmp2 = Matrix.RotationZ((float)mAngle);
114             tmp2 = tmp2 * Matrix.Translation(mPosition.X, mPosition.Y, mPosition.Z);
115             tmp2 = MoveModel2 * tmp2;
116             drawArgs.Device.SetTransform(TransformState.World, tmp2);
117             mMeshStick.DrawSubset(0);
118         }
119 
120         public void AxisY(DrawArgs drawArgs)
121         {
122             
123             Light light = new Light();
124             light.Type = LightType.Spot;
125             light.Diffuse = Color.White;
126             light.Direction = new Vector3(mPosition.X, mPosition.Y + 2, mPosition.Z + 4);
127             drawArgs.Device.SetLight(0, light);
128 
129             //drawArgs.Device.SetTextureStageState(0, TextureStage.ColorOperation, TextureOperation.SelectArg1);
130             drawArgs.Device.SetRenderState(RenderState.Ambient, Color.FromArgb(Color.Green.ToArgb()).ToArgb());
131 
132             drawArgs.Device.Material = material;
133 
134             Matrix MoveModel = Matrix.Translation(new Vector3(0f, 12.5f, 0f));
135             MoveModel = Matrix.RotationX((float)-Math.PI / 2) * MoveModel;//右乘
136             Matrix tmp = Matrix.RotationZ((float)mAngle);
137             tmp = tmp * Matrix.Translation(mPosition.X, mPosition.Y, mPosition.Z);
138             tmp = MoveModel * tmp;
139             drawArgs.Device.SetTransform(TransformState.World, tmp);
140             //设置顶点格式
141             mMeshArrow.DrawSubset(0);
142 
143             Light light2 = new Light();
144             light2.Type = LightType.Directional;
145             light2.Diffuse = Color.White;
146             light.Direction = new Vector3(mPosition.X, mPosition.Y + 2, mPosition.Z + 4);
147             drawArgs.Device.SetLight(0, light2);
148 
149             drawArgs.Device.SetRenderState(RenderState.Ambient, Color.FromArgb(Color.Green.ToArgb()).ToArgb());
150 
151             drawArgs.Device.Material = materialStick;
152 
153             Matrix MoveModel2 = Matrix.Translation(new Vector3(0, 5, 0));
154             MoveModel2 = Matrix.RotationX((float)-Math.PI / 2) * MoveModel2;
155             Matrix tmp2 = Matrix.RotationZ((float)mAngle);
156             tmp2 = tmp2 * Matrix.Translation(mPosition.X, mPosition.Y, mPosition.Z);
157             tmp2 = MoveModel2 * tmp2;
158             drawArgs.Device.SetTransform(TransformState.World, tmp2);
159             mMeshStick.DrawSubset(0);
160         }
161 
162         public void AxisZ(DrawArgs drawArgs)
163         {
164             
165             Light light = new Light();
166             light.Type = LightType.Spot;
167             light.Diffuse = Color.White;
168             light.Direction = new Vector3(mPosition.X, mPosition.Y + 2, mPosition.Z + 4);
169             drawArgs.Device.SetLight(0, light);
170 
171             //drawArgs.Device.SetTextureStageState(0, TextureStage.ColorOperation, TextureOperation.SelectArg1);
172             drawArgs.Device.SetRenderState(RenderState.Ambient, Color.FromArgb(Color.Blue.ToArgb()).ToArgb());
173 
174             drawArgs.Device.Material = material;
175 
176             Matrix MoveModel = Matrix.Translation(new Vector3(0f, 0f, 12.5f));
177           //  MoveModel = Matrix.RotationX((float)Math.PI) * MoveModel;//右乘
178             Matrix tmp = Matrix.RotationZ((float)mAngle);
179             tmp = tmp * Matrix.Translation(mPosition.X, mPosition.Y, mPosition.Z);
180             tmp = MoveModel * tmp;
181             drawArgs.Device.SetTransform(TransformState.World, tmp);
182             //设置顶点格式
183             mMeshArrow.DrawSubset(0);
184 
185             Light light2 = new Light();
186             light2.Type = LightType.Directional;
187             light2.Diffuse = Color.White;
188             light.Direction = new Vector3(mPosition.X, mPosition.Y + 2, mPosition.Z + 4);
189             drawArgs.Device.SetLight(0, light2);
190 
191             drawArgs.Device.SetRenderState(RenderState.Ambient, Color.FromArgb(Color.Blue.ToArgb()).ToArgb());
192 
193             drawArgs.Device.Material = materialStick;
194 
195             Matrix MoveModel2 = Matrix.Translation(new Vector3(0, 0, 5));
196            // MoveModel2 = Matrix.RotationX((float)Math.PI) * MoveModel2;
197             Matrix tmp2 = Matrix.RotationZ((float)mAngle);
198             tmp2 = tmp2 * Matrix.Translation(mPosition.X, mPosition.Y, mPosition.Z);
199             tmp2 = MoveModel2 * tmp2;
200             drawArgs.Device.SetTransform(TransformState.World, tmp2);
201             mMeshStick.DrawSubset(0);
202         }
203 
204 
205         public void Dispose()
206         {
207             if (mMeshArrow != null && !mMeshArrow.Disposed)
208             {
209                 mMeshArrow.Dispose();
210                 mMeshArrow = null;
211             }
212             if (mMeshStick != null && !mMeshStick.Disposed)
213             {
214                 mMeshStick.Dispose();
215                 mMeshStick = null;
216             }
217             IsInitialize = false;
218         }
219 
220         public double mAngle
221         {
222             get;
223             set;
224         }
225 
226         public Vector3 mPosition
227         {
228             get;
229             set;
230         }
231 
232         public void SetTransform(Vector3 position)
233         {
234             mPosition = position;
235         }
236 
237         public void SetRotateZ(double angle)
238         {
239             mAngle = angle;
240         }
241     }
242 }