源码：
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 }
结果：
