dx粒子效果雪花飘

简单修改一下也能变成玻璃效果,天上掉玻璃了

主文件

Code:

1. //////////////////////////////////////////////////////////////////////////////////////////////////
2. //文件:main.cpp
3. //作者:CYM
4. //*雾特效,旋转的立方体,底面!~简单演示
5. //*方向键控制摄像头
6. //*shift使摄像头向上ctrl使摄像头向下
7. //////////////////////////////////////////////////////////////////////////////////////////////////
8. #include"D3DFrame.h"
9. #include"Box.h"
10. #include"Ground.h"
11. #include"Drawtext.h"
12. #include"Sprite.h"
13. #include<d3d9.h>
14. #include<d3dx9.h>
16. voidSetFogEffects(D3DCAPS9caps,boolisFogEnable);//设置雾效果函数声明
18. //
19. //全局设置
20. //
22. IDirect3DDevice9*Device=0;//定义设备对象
23. IDirect3DTexture9*Texture1;//立方体纹理
24. IDirect3DTexture9*Texture2;//地面地图纹理
25. IDirect3DTexture9*Texture3;//简单的粒子文理纹理
26. LPD3DXFONTFont;//定义字体
28. CD3DFrameFrame;//定义框架类
29. CGround*Ground=0;//定义场地类
30. CBox*Box1=0;//定义Box对象
31. CBox*Box2=0;
32. CDrawtext*Text=0;//定义文字绘制对象
33. CSprite*Point;//定义sprite点对象
35. D3DMATERIAL9material;
36. D3DXMATRIXMap;//地图矩阵
37. D3DXMATRIXV;//视图矩阵
39. D3DXVECTOR3Txyz1(-3,2,-3);//矩阵平移坐标
40. D3DXVECTOR3Rxyz1(0,0);//矩阵旋转坐标
42. constintWidth=640;//窗口的宽高
43. constintHeight=480;
45. staticRECTFontRect={0,Width,Height};//绘制文字的矩形
47. staticD3DXVECTOR3position(0.0f,3.0f,3.0f);//摄像机位置
48. staticD3DXVECTOR3target(0.0f,0.0f,0.0f);//摄像机观察目标
49. staticD3DXVECTOR3up(0.0f,1.0f,0.0f);//摄像机高度
51. //staticD3DXVECTOR3SpritePos(10.0f,10.0f,-10.0f);//Sprite点的坐标
53. D3DCAPS9caps;//设备功能支持的结构体
55. boolisFogEnable=true;//判断雾效果是否开启
56. staticfloattimeConversion=0.1f;//时间转换(速度同步)数值
58. //
59. //框架函数
60. //
61. boolSetup()
62. {
63. //创造对象
64. Box1=newCBox(Device);
65. Box2=newCBox(Device);
66. Ground=newCGround(Device);
67. Text=newCDrawtext(Device,Font);
68. Point=newCSprite(Device);
70. Device->GetDeviceCaps(&caps);//获取设备功能支持信息的结构体
72. //设置纹理
73. //D3DMATERIAL9material;
74. ::ZeroMemory(&material,sizeof(material));
75. material.Ambient=D3dxcOLOR(1.0f,1.0f);
76. material.Diffuse=D3dxcOLOR(1.0f,0.1f,1.0f);
77. material.Emissive=D3dxcOLOR(1.0f,1.0f);
78. material.Power=0.1f;
79. material.specular=D3dxcOLOR(0.0f,1.0f);
81. //设置平行光
82. D3DLIGHT9light;
83. ::ZeroMemory(&light,sizeof(light));
84. light.Type=D3DLIGHT_DIRECTIONAL;
85. light.Ambient=D3dxcOLOR(1.0f,1.0f);
86. light.Diffuse=D3dxcOLOR(1.0f,1.0f);
87. light.specular=D3dxcOLOR(1.0f,1.0f);
88. light.Direction=D3DXVECTOR3(1.0f,-1.0f,0.0f);
89. Device->SetLight(0,&light);
90. Device->LightEnable(0,true);
92. //设置平行光
93. D3DLIGHT9light2;
94. ::ZeroMemory(&light2,sizeof(light2));
95. light2.Type=D3DLIGHT_DIRECTIONAL;
96. light2.Ambient=D3dxcOLOR(1.0f,1.0f);
97. light2.Diffuse=D3dxcOLOR(0.1f,0.5f,0.4f,1.0f);
98. light2.specular=D3dxcOLOR(1.0f,1.0f);
99. light2.Direction=D3DXVECTOR3(0.0f,0.0f);
100. Device->SetLight(1,&light2);
101. Device->LightEnable(1,true);
103. Device->SetRenderState(D3DRS_norMALIZEnorMALS,true);//正常的渲染等级
104. Device->SetRenderState(D3DRS_specularENABLE,true);//镜面高光
107. D3DXMatrixLookAtLH(&V,&position,&target,&up);//设置摄像机
108. Device->SetTransform(D3DTS_VIEW,&V);//视图转换
110. //
111. //Createtexture.
112. //
113. //载入立方体纹理
114. D3dxcreateTextureFromFile(
115. Device,
116. "crate.jpg",
117. &Texture1);
119. //载入地面纹理
120. D3dxcreateTextureFromFile(
121. Device,
122. "河流.jpg",
123. &Texture2);
125. D3dxcreateTextureFromFile(
126. Device,
127. "雪球.tga",
128. &Texture3);
130. //
131. //SetTextureFilterStates.
132. //
134. Device->SetSamplerState(0,D3DSAMP_MAGFILTER,D3DTEXF_LINEAR);
135. Device->SetSamplerState(0,D3DSAMP_MINFILTER,D3DTEXF_LINEAR);
136. Device->SetSamplerState(0,D3DSAMP_MIPFILTER,D3DTEXF_LINEAR);
138. Device->SetSamplerState(1,D3DTEXF_LINEAR);
139. Device->SetSamplerState(1,D3DTEXF_LINEAR);
140. Device->SetSamplerState(1,D3DTEXF_LINEAR);
142. Device->SetSamplerState(3,D3DTEXF_LINEAR);
143. Device->SetSamplerState(3,D3DTEXF_LINEAR);
144. Device->SetSamplerState(3,D3DTEXF_LINEAR);
146. //
147. //Settheprojectionmatrix.
148. //
150. D3DXMATRIXproj;
151. D3DXMatrixPerspectiveFovLH(
152. &proj,
153. D3DX_PI*0.5f,//90-degree
154. (float)Width/(float)Height,
155. 1.0f,
156. 1000.0f);
157. Device->SetTransform(D3DTS_PROJECTION,&proj);
159. //设置雾效果
160. SetFogEffects(caps,true);
162. Device->SetRenderState(D3DRS_LIGHTING,true);
163. Device->SetRenderState(D3DRS_AMBIENT,D3dxcOLOR(0.3f,1.0f));
164. Device->SetRenderState(D3DRS_CULLMODE,D3DCULL_NONE);//不剔除任何面
166. returntrue;
167. }
169. voidCleanup()
170. {
171. Frame.Delete<CSprite*>(Point);
172. Frame.Delete<CBox*>(Box2);
173. Frame.Delete<CBox*>(Box1);
174. Frame.Delete<CGround*>(Ground);
175. Frame.Delete<CDrawtext*>(Text);
176. Frame.Release<LPD3DXFONT>(Font);
177. Frame.Release<IDirect3DTexture9*>(Texture3);
178. Frame.Release<IDirect3DTexture9*>(Texture2);
179. Frame.Release<IDirect3DTexture9*>(Texture1);
180. }
182. //设置摄像机函数
183. voidSetMatrixLookAt(D3DXMATRIX*V,D3DXVECTOR3*position,D3DXVECTOR3*target,D3DXVECTOR3*up)
184. {
185. D3DXMatrixLookAtLH(V,position,target,up);//设置摄像机
186. Device->SetTransform(D3DTS_VIEW,V);//视图转换
187. }
189. //设置雾特效函数
190. voidSetFogEffects(D3DCAPS9caps,boolisFogEnable)
191. {
192. //雾特效的开始和结束距离数值
193. floatstart=12,end=15;
194. //设置雾的相关属性
195. Device->SetRenderState(D3DRS_FOGENABLE,isFogEnable);//启用雾效果
196. //设置要渲染的雾的期望颜色(这里为灰色)
197. Device->SetRenderState(D3DRS_FOGCOLOR,D3DCOLOR_XRGB(128,128,128));
198. //使用顶点雾
199. Device->SetRenderState(D3DRS_FOGVERTEXMODE,D3DFOG_LINEAR);
200. //指定雾的开始距离和终点距离
201. Device->SetRenderState(D3DRS_FOGSTART,*(DWORD*)(&start));
202. Device->SetRenderState(D3DRS_FOGEND,*(DWORD*)(&end));
203. //PixelFog像素雾
204. //Device->SetRenderState(D3DRS_FOGTABLEMODE,D3DFOG_LINEAR);
205. //如果支持，则启用基于距离的雾
206. if(caps.RasterCaps&D3DPRASTERCAPS_FOGRANGE)
207. Device->SetRenderState(D3DRS_RANGEFOGENABLE,true);
208. }
210. //数值计算函数
211. boolCalculation(void)
212. {
214. //*start:立方体1(箱子)的矩阵变化数值计算
215. Rxyz1.x+=0.005f;
216. Rxyz1.y+=0.005f;
217. Rxyz1.z+=0.005f;
219. if(Rxyz1.x>=2*D3DX_PI)//当角度达到360时,赋值为零
220. Rxyz1.x=0.0f;
221. if(Rxyz1.y>=2*D3DX_PI)//当角度达到360时,赋值为零
222. Rxyz1.y=0.0f;
223. if(Rxyz1.z>=2*D3DX_PI)//当角度达到360时,赋值为零
224. Rxyz1.z=0.0f;
225. //end:立方体1(箱子)数值计算;
227. //*start:文字绘制矩形区域数值变化
228. timeConversion+=0.1f;//速度同步数值累加
229. if(timeConversion>=2.0f)//timeConversion累加到2.0f是,执行文字矩形框的数值计算
230. {
231. timeConversion=0.1f;//重置初始值
233. FontRect.left+=1;
234. FontRect.top+=1;
235. FontRect.right-=1;
236. FontRect.bottom-=1;
238. if(FontRect.left>=Width/2)//当矩形left大于100是重置为零
239. FontRect.left=0;
240. if(FontRect.top>=Height/2)//当矩形top大于100是重置为零
241. FontRect.top=0;
242. if(FontRect.right<=Width/2)//当矩形right小于400是重置为Width(窗口宽度)
243. FontRect.right=Width;
244. if(FontRect.bottom<=Height/2)//当矩形bottom小于200是重置为Height(窗口高度)
245. FontRect.bottom=Height;
246. }
248. returntrue;
249. }
251. booldisplay(floattimedelta)
252. {
253. if(Device)//如果设备对象不为空
254. {
255. //数值计算;
256. Calculation();
258. Device->Clear(0,D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER,D3DCOLOR_XRGB(00,00,00),0);
260. //开始渲染
261. Device->BeginScene();
263. Device->SetTransform(D3DTS_VIEW,&V);
265. //绘制立方体
266. Box1->SetCalculation(Txyz1,Rxyz1);//设置数值计算后的值
267. Box1->Draw(&material,Texture1);//绘制最终立方体
269. Box2->SetCalculation(D3DXVECTOR3(3,-3),D3DXVECTOR3(0,0));
270. Box2->Draw(&material,Texture1);//绘制最终立方体
272. Ground->DrawGround(&Map,&material,Texture2);//绘制地形(地图)
274. //显示文字
275. Text->DrawTextA(NULL,"雾特效,河流底面,雪花飘!~简单演示~",
276. -1,&FontRect,DT_CENTER,D3DCOLOR_XRGB(255,255,255));
278. //绘制sprite点
279. Point->Draw(Texture3);
281. //结束渲染
282. Device->EndScene();
284. Device->Present(0,0);
285. }
286. returntrue;
287. }
289. //
290. //消息处理
291. //
292. LRESULTCALLBACKWndProc(HWNDhwnd,UINTmsg,WParaMwParam,LParaMlParam)
293. {
294. switch(msg)
295. {
296. caseWM_DESTROY:
297. ::PostQuitMessage(0);
298. break;
299. caseWM_KEYDOWN:
300. switch(wParam)
301. {
302. caseVK_ESCAPE:
303. ::DestroyWindow(hwnd);
304. break;
305. caseVK_LEFT:
306. target.x+=0.2f;//摄像机观察目标向左移动
307. position.x+=0.2f;//摄像机位置向左移动
308. SetMatrixLookAt(&V,&up);//设置摄像机函数
309. break;
310. caseVK_RIGHT:
311. target.x-=0.2f;//摄像机观察目标向右移动
312. position.x-=0.2f;//摄像机位置向右移动
313. SetMatrixLookAt(&V,&up);//设置摄像机函数
314. break;
315. caseVK_UP:
316. target.z-=0.2f;//摄像机观察目标向前移动
317. position.z-=0.2f;//摄像机向前移动
318. SetMatrixLookAt(&V,&up);//设置摄像机函数
319. break;
320. caseVK_DOWN:
321. target.z+=0.2f;//摄像机观察目标向后移动
322. position.z+=0.2f;//摄像机位置向后移动
323. SetMatrixLookAt(&V,&up);//设置摄像机函数
324. break;
325. caseVK_SHIFT:
326. position.y+=0.2f;//摄像机位置向上移动
327. SetMatrixLookAt(&V,&up);//设置摄像机函数
328. break;
329. caseVK_CONTROL:
330. position.y-=0.2f;//摄像机位置向下移动
331. SetMatrixLookAt(&V,&up);//设置摄像机函数
332. break;
333. caseVK_SPACE:
334. isFogEnable=(isFogEnable==1?0:1);//启动或关闭雾效果
335. SetFogEffects(caps,isFogEnable);
336. break;
337. }
338. }
339. return::DefWindowProc(hwnd,msg,wParam,lParam);
340. }
342. //
343. //入口函数
344. //
345. intWINAPIWinMain(HINSTANCEhinstance,
346. HINSTANCEprevInstance,
347. PSTRcmdLine,
348. intshowCmd)
349. {
350. WNDCLASSwc;
352. wc.style=CS_HREDRAW|CS_VREDRAW;
353. wc.lpfnWndProc=(WNDPROC)WndProc;
354. wc.cbClsExtra=0;
355. wc.cbWndExtra=0;
356. wc.hInstance=hinstance;
357. wc.hIcon=LoadIcon(0,IDI_APPLICATION);
358. wc.hCursor=LoadCursor(0,IDC_ARROW);
359. wc.hbrBackground=(HBrush)GetStockObject(WHITE_Brush);
360. wc.lpszMenuName=0;
361. wc.lpszClassName="Direct3D9App";
363. if(!RegisterClass(&wc))
364. {
365. ::MessageBox(0,"RegisterClass()-Failed",0);
366. returnfalse;
367. }
369. //初始化D3D
370. if(!Frame.InitD3D(hinstance,
371. 640,480,true,D3DDEVTYPE_HAL,&Device))
372. {
373. ::MessageBox(0,"InitD3D()-Failed",0);
374. return0;
375. }
377. if(!Setup())
378. {
379. ::MessageBox(0,"Setup()-Failed",0);
380. return0;
381. }
383. //进入游戏循环
384. Frame.EnterMsgLoop(display);
386. Cleanup();
388. Device->Release();
390. return0;
391. }

两个粒子系统文件

Code:

1. //////////////////////////////////////////////////////////////////////////////////////////////////
2. //文件:Sprite.cpp
3. //作者:CYM
4. //*简单的粒子类
5. //////////////////////////////////////////////////////////////////////////////////////////////////
6. #pragmaonce
7. #include<d3d9.h>
8. #include<d3dx9.h>
9. #include"Vertex.h"
10. #definecount1000
12. structSPRITE
13. {
14. D3DXVECTOR3pos;//位置
15. floatspeed;//粒子速度
16. };
18. classCSprite
19. {
20. public:
21. CSprite(IDirect3DDevice9*device);
22. ~CSprite(void);
23. public:
24. voidDraw(IDirect3DTexture9*texture);//显示图像函数
25. protected:
26. voidUpdate(void);//[内]更新数据函数
27. inlineunsignedlongFtoDW(floatv);//[内]数值转换函数
28. public:
29. IDirect3DDevice9*_device;//定义D3D设备
30. IDirect3DVertexBuffer9*_vb;//定义顶点缓存
31. IDirect3DTexture9*_texture;//定义文理
32. protected:
33. //sprite属性
34. SPRITE_sprite[count];//定义1000个粒子
35. //int_count;//粒子数量
36. unsignedlong_col;//颜色
37. //D3DXMATRIX*matrix;//移动矩阵
38. };

Code:

1. #include"Sprite.h"
4. CSprite::CSprite(IDirect3DDevice9*device)
5. {
6. _device=device;//获取设备对象
7. _col=D3DCOLOR_XRGB(255,00);//初始化颜色
9. for(inti=0;i<=count;i++)
10. {
11. //初始化位置坐标和速度
12. _sprite[i].pos=D3DXVECTOR3(0.0f,0.0f);
13. _sprite[i].speed=0.0f;
14. }
16. _device->CreateVertexBuffer(
17. count*sizeof(Vertex3),
18. D3DUSAGE_writeonly,
19. FVF_VERTEX3,
20. D3DPOOL_MANAGED,
21. &_vb,
22. 0);
23. }
26. CSprite::~CSprite(void)
27. {
28. if(_vb){_vb->Release();_vb=0;}
29. }
31. //数值转换函数
32. unsignedlongCSprite::FtoDW(floatv)
33. {
34. return*((unsignedlong*)&v);
35. }
37. //显示图像函数
38. voidCSprite::Draw(IDirect3DTexture9*texture)
39. {
40. _texture=texture;
41. _device->SetTexture(0,_texture);
42. Update();//更新数据
44. //启用点状sprite
45. _device->SetRenderState(D3DRS_POINTSPRITEENABLE,TRUE);
46. //启用点状sprite的比例
47. _device->SetRenderState(D3DRS_POINTSCALEENABLE,TRUE);
48. //开启混合因子
49. _device->SetRenderState(D3DRS_ALPHABLENDENABLE,TRUE);
50. //设置目标混合因子
51. _device->SetRenderState(D3DRS_DESTBLEND,D3DBLEND_ONE);
53. //设置sprite的尺寸
54. _device->SetRenderState(D3DRS_POINTSIZE,FtoDW(0.1f));
55. //设置点状sprite的最小尺寸
56. _device->SetRenderState(D3DRS_POINTSIZE_MIN,FtoDW(0.0f));
57. //根据距离更改点状sprite的形状
58. _device->SetRenderState(D3DRS_POINTSCALE_A,FtoDW(0.0f));
59. //根据距离更改点状sprite的形状
60. _device->SetRenderState(D3DRS_POINTSCALE_B,FtoDW(0.0f));
61. //根据距离更改点状sprite的形状
62. _device->SetRenderState(D3DRS_POINTSCALE_C,FtoDW(1.0f));
64. _device->SetFVF(FVF_VERTEX3);
65. _device->SetStreamSource(0,_vb,sizeof(Vertex3));
66. _device->DrawPrimitive(D3DPT_TRIANGLESTRIP,count);
68. _device->SetRenderState(D3DRS_POINTSPRITEENABLE,FALSE);
69. _device->SetRenderState(D3DRS_POINTSCALEENABLE,FALSE);
70. _device->SetRenderState(D3DRS_ALPHABLENDENABLE,FALSE);
71. }
73. //更新数据函数
74. voidCSprite::Update()
75. {
76. Vertex3*v;//顶点
77. _vb->Lock(0,(void**)&v,0);
78. //填充数据X正半轴,Z负半轴粒子顶点缓存数据
79. for(inti=0;i<count/4;i++)
80. {
81. _sprite[i].pos.y-=0.01f*_sprite[i].speed;
82. if(_sprite[i].pos.y<0.0f)
83. {
84. ::ZeroMemory(&v[i],sizeof(v[i]));//清空数据
85. ::ZeroMemory(&_sprite[i],sizeof(_sprite[i]));//清空数据
86. ::ZeroMemory(&_sprite[i].speed,sizeof(_sprite[i].speed));//清空数据
87. _sprite[i].speed=((rand()%20)*0.1f);
88. _sprite[i].pos.x=((rand()%100)*0.1f);//随机获得x轴坐标
89. _sprite[i].pos.y=5;//获得固定高度5
90. _sprite[i].pos.z=((rand()%100)*-0.1f);//随机获得z轴坐标
91. }
93. v[i]=Vertex3(_sprite[i].pos.x,_sprite[i].pos.y,_sprite[i].pos.z,255));
94. }
96. //填充数据X负半轴,Z负半轴粒子顶点缓存数据
97. for(inti=count/4;i<count/2;i++)
98. {
99. _sprite[i].pos.y-=0.01f*_sprite[i].speed;
100. if(_sprite[i].pos.y<0.0f)
101. {
102. ::ZeroMemory(&v[i],sizeof(_sprite[i].speed));//清空数据
103. _sprite[i].speed=((rand()%20)*0.1f);
104. _sprite[i].pos.x=((rand()%100)*-0.1f);//随机获得x轴坐标
105. _sprite[i].pos.y=5.0f;//获得固定高度5
106. _sprite[i].pos.z=((rand()%100)*-0.1f);//随机获得z轴坐标
107. }
108. v[i]=Vertex3(_sprite[i].pos.x,255));
109. }
111. //填充数据X正半轴,Z正半轴粒子顶点缓存数据
112. for(inti=count/2;i<count*3/4;i++)
113. {
114. _sprite[i].pos.y-=0.01f*_sprite[i].speed;
115. if(_sprite[i].pos.y<0.0f)
116. {
117. ::ZeroMemory(&v[i],sizeof(v[i]));//清空数据
118. ::ZeroMemory(&_sprite[i],sizeof(_sprite[i]));//清空数据
119. ::ZeroMemory(&_sprite[i].speed,sizeof(_sprite[i].speed));//清空数据
120. _sprite[i].speed=((rand()%20)*0.1f);
121. _sprite[i].pos.x=((rand()%100)*0.1f);//随机获得x轴坐标
122. _sprite[i].pos.y=5.0f;//获得固定高度5
123. _sprite[i].pos.z=((rand()%100)*0.1f);//随机获得z轴坐标
124. }
125. v[i]=Vertex3(_sprite[i].pos.x,Z正半轴粒子顶点缓存数据
126. for(inti=count*3/4;i<=count;i++)
127. {
128. _sprite[i].pos.y-=0.01f*_sprite[i].speed;
129. if(_sprite[i].pos.y<0.0f)
130. {
131. ::ZeroMemory(&v[i],sizeof(_sprite[i].speed));//清空数据
132. _sprite[i].speed=((rand()%20)*0.1f);
133. _sprite[i].pos.x=((rand()%100)*-0.1f);//随机获得x轴坐标
134. _sprite[i].pos.y=5.0f;//获得固定高度5
135. _sprite[i].pos.z=((rand()%100)*0.1f);//随机获得z轴坐标
136. }
137. v[i]=Vertex3(_sprite[i].pos.x,255));
138. }
139. _vb->Unlock();
141. }

这个代码有点重复,但也不修改了,只是测试一下,还是有漏洞