API tools faq
paste
Advertisement
d10070dd

sample25-binary2

d10070dd
Oct 8th, 2013
79
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
C++ 8.48 KB | None | 0 0
raw download clone embed print report
  1. #include <math.h>
  2. #include <stdio.h>
  3. #include <stdlib.h>//glut.hより先にインクルード
  4. #include <gl/glew.h>//glut.hより先にインクルード
  5. #include <gl/glut.h>
  6. GLfloat *vertexAry;
  7. GLfloat *normalAry;
  8. GLfloat *colorAry;
  9. GLubyte *indexAry;
  10.  
  11. //------- 頂点データ-----------//
  12. //｢6｣面､｢4｣頂点､1頂点はx,y,zの｢3｣要素
  13. /*
  14. GLfloat vertexAry[6][4][3] =
  15. {
  16.     //1つめの面(v0-v1-v2-v3)
  17.     {
  18.         {0.f,0.f,0.f},{1.f,0.f,0.f},
  19.         {1.f,1.f,0.f},{0.f,1.f,0.f}
  20.     },
  21.     //2つめの面(v1-v5-v6-v2)
  22.     {
  23.         {1.f,0.f,0.f},{1.f,0.f,-1.f},
  24.         {1.f,1.f,-1.f},{1.f,1.f,0.f}
  25.     },
  26.     //3つめの面(v4-v7-v6-v5)
  27.     {
  28.         {0.f,0.f,-1.f},{0.f,1.f,-1.f},
  29.         {1.f,1.f,-1.f},{1.f,0.f,-1.f}
  30.     },
  31.     //4つめの面(v4-v0-v3-v7)
  32.     {
  33.         {0.f,0.f,-1.f},{0.f,0.f,0.f},
  34.         {0.f,1.f,0.f},{0.f,1.f,-1.f}
  35.     },
  36.     //5つめの面(v3-v2-v6-v7)
  37.     {
  38.         {0.f,1.f,0.f},{1.f,1.f,0.f},
  39.         {1.f,1.f,-1.f},{0.f,1.f,-1.f}
  40.     },
  41.     //6つめの面(v0-v4-v5-v1)
  42.     {
  43.         {0.f,0.f,0.f},{0.f,0.f,-1.f},
  44.         {1.f,0.f,-1.f},{1.f,0.f,0.f}
  45.     }
  46. };
  47. */
  48.  
  49. //法線データ
  50. /*
  51. GLfloat normalAry[6][4][3] =
  52. {
  53.     //1つめの面(v0-v1-v2-v3)
  54.     {
  55.         {0.f,0.f,1.f},{0.f,0.f,1.f},
  56.         {0.f,0.f,1.f},{0.f,0.f,1.f}
  57.     },
  58.     //2つめの面(v1-v5-v6-v2)
  59.     {
  60.         {1.f,0.f,0.f},{1.f,0.f,0.f},
  61.         {1.f,0.f,0.f},{1.f,0.f,0.f}
  62.     },
  63.     //3つめの面(v4-v7-v6-v5)
  64.     {
  65.         {0.f,0.f,-1.f},{0.f,0.f,-1.f},
  66.         {0.f,0.f,-1.f},{0.f,0.f,-1.f}
  67.     },
  68.     //4つめの面(v4-v0-v3-v7)
  69.     {
  70.         {-1.f,0.f,0.f},{-1.f,0.f,0.f},
  71.         {-1.f,0.f,0.f},{-1.f,0.f,0.f}
  72.     },
  73.     //5つめの面(v3-v2-v6-v7)
  74.     {
  75.         {0.f,1.f,0.f},{0.f,1.f,0.f},
  76.         {0.f,1.f,0.f},{0.f,1.f,0.f}
  77.     },
  78.     //6つめの面(v0-v4-v5-v1)
  79.     {
  80.         {0.f,-1.f,0.f},{0.f,-1.f,0.f},
  81.         {0.f,-1.f,0.f},{0.f,-1.f,0.f}
  82.     }
  83. };
  84. */
  85.  
  86. //色データ
  87. /*
  88. GLfloat colorAry[6][4][3] =
  89. {
  90.     //1つめの面(v0-v1-v2-v3)
  91.     {
  92.         {0.f,0.f,1.f},{0.f,0.f,1.f},
  93.         {0.f,0.f,1.f},{0.f,0.f,1.f}
  94.     },
  95.     //2つめの面(v1-v5-v6-v2)
  96.     {
  97.         {1.f,0.f,0.f},{1.f,0.f,0.f},
  98.         {1.f,0.f,0.f},{1.f,0.f,0.f}
  99.     },
  100.     //3つめの面(v4-v7-v6-v5)
  101.     {
  102.         {0.f,1.f,1.f},{0.f,1.f,1.f},
  103.         {0.f,1.f,1.f},{0.f,1.f,1.f}
  104.     },
  105.     //4つめの面(v4-v0-v3-v7)
  106.     {
  107.         {1.f,1.f,0.f},{1.f,1.f,0.f},
  108.         {1.f,1.f,0.f},{1.f,1.f,0.f}
  109.     },
  110.     //5つめの面(v3-v2-v6-v7)
  111.     {
  112.         {0.f,1.f,0.f},{0.f,1.f,0.f},
  113.         {0.f,1.f,0.f},{0.f,1.f,0.f}
  114.     },
  115.     //6つめの面(v0-v4-v5-v1)
  116.     {
  117.         {1.f,0.f,1.f},{1.f,0.f,1.f},
  118.         {1.f,0.f,1.f},{1.f,0.f,1.f}
  119.     }
  120. };
  121. */
  122.  
  123. //インデックス
  124. /*
  125. GLubyte indexAry[]=
  126. {
  127.     0,1,2,3,
  128.     4,5,6,7,
  129.     8,9,10,11,
  130.     12,13,14,15,
  131.     16,17,18,19,
  132.     20,21,22,23
  133. };
  134. */
  135.  
  136. // π/180の値
  137. const float PI_OVER_180 = 0.0174532925f;
  138.  
  139. //VBO用ID
  140. GLuint VboId[3];//３つ分
  141. GLuint VboIndex;//インデックス
  142.  
  143. //描画関数
  144. void drawAry(void)
  145. {
  146.     GLfloat *clientPtr;//クライアント側用
  147.     GLfloat tmp[3];
  148.     int idloop;
  149.     int loop;
  150.     static float angle = 2*PI_OVER_180;
  151.  
  152.     //データの場所を知らせる
  153.     //座標
  154.     glBindBuffer(GL_ARRAY_BUFFER,VboId[0]);
  155.     glVertexPointer(3, GL_FLOAT, 0, 0);
  156.     //法線
  157.     glBindBuffer(GL_ARRAY_BUFFER,VboId[1]);
  158.     glNormalPointer(GL_FLOAT, 0, 0);
  159.     //色
  160.     glBindBuffer(GL_ARRAY_BUFFER,VboId[2]);
  161.     glColorPointer(3,GL_FLOAT, 0, 0);
  162.     //インデックスもバインド
  163.     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, VboIndex);
  164.  
  165.     glEnableClientState(GL_VERTEX_ARRAY);
  166.     glEnableClientState(GL_NORMAL_ARRAY);
  167.     glEnableClientState(GL_COLOR_ARRAY);
  168.     //描画
  169.     glDrawElements(GL_QUADS,24,GL_UNSIGNED_BYTE,0);
  170.    
  171.     glDisableClientState(GL_COLOR_ARRAY);
  172.     glDisableClientState(GL_NORMAL_ARRAY);
  173.     glDisableClientState(GL_VERTEX_ARRAY);
  174.  
  175.     //座標と法線を回転させる
  176.     for(idloop = 0; idloop < 2;++idloop)
  177.     {
  178.         //idloop番目のバッファオブジェクトに注目
  179.         glBindBuffer(GL_ARRAY_BUFFER,VboId[idloop]);
  180.        
  181.         //対応付け
  182.         clientPtr = (GLfloat *)glMapBuffer(GL_ARRAY_BUFFER,
  183.                                                 GL_READ_WRITE);
  184.         if(clientPtr != NULL)
  185.         {
  186.             //24頂点*3座標
  187.              for(loop = 0; loop < 24*3;loop += 3)   {
  188.                 //読み出し(READ)
  189.                 tmp[0] = clientPtr[loop];
  190.                 tmp[1] = clientPtr[loop+1];
  191.                 tmp[2] = clientPtr[loop+2];
  192.                 //書き込み(WRITE)
  193.                 clientPtr[loop] = cos(angle)*tmp[0]
  194.                                     + sin(angle)*tmp[2];
  195.                 clientPtr[loop+1] = tmp[1];
  196.                 clientPtr[loop+2] = -sin(angle)*tmp[0]
  197.                                         + cos(angle)*tmp[2];
  198.              }
  199.             glUnmapBuffer(GL_ARRAY_BUFFER);//対応付けの解放
  200.         }
  201.     }
  202.     //クライアント側に戻す
  203.     glBindBuffer(GL_ARRAY_BUFFER,0);
  204.     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
  205. }
  206. //------- 各種コールバック----------//
  207. void display(void)
  208. {
  209.     static int angle = 0;
  210.     glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
  211.     glLoadIdentity();
  212.     gluLookAt(3.0, 4.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
  213.    
  214.     glPushMatrix();
  215.     glRotatef(float(angle),1.f,0.f,0.f);//x軸回転
  216.     drawAry();
  217.     glPopMatrix();
  218.  
  219.     glutSwapBuffers();
  220.     if(++angle >= 360) angle = 0;
  221. }
  222.  
  223. void reshape(int w, int h)
  224. {
  225.     glViewport(0,0,w,h);
  226.     glMatrixMode(GL_PROJECTION);
  227.     glLoadIdentity();
  228.     gluPerspective(30.0, double(w)/h, 0.1, 200.0);
  229.     glMatrixMode(GL_MODELVIEW);
  230.     glLoadIdentity();
  231. }
  232.  
  233. void idle(void)
  234. {
  235.     glutPostRedisplay();
  236. }
  237.  
  238. void keyboard(unsigned char key, int x, int y)
  239. {
  240.     switch(key)
  241.     {
  242.     case 'q':
  243.     case 'Q':
  244.     case '\033':
  245.         //終了処理
  246.         glDeleteBuffers(3,&VboId[0]);
  247.         glDeleteBuffers(1,&VboIndex);
  248.         exit(0);
  249.         break;
  250.     }
  251. }
  252. //------ その他初期設定-------//
  253. void otherInit(void)
  254. {
  255.     glClearColor(1.f, 1.f, 1.f, 1.f);
  256.     glEnable(GL_DEPTH_TEST);
  257.     glColorMaterial(GL_FRONT,GL_AMBIENT_AND_DIFFUSE);
  258.     glEnable(GL_COLOR_MATERIAL);
  259.     glEnable(GL_LIGHT0);
  260.     glEnable(GL_LIGHTING);
  261.     glEnable(GL_NORMALIZE);//法線の正規化
  262. }
  263.  
  264. //---- VBOの作成----//
  265. void buildVBO(int a, int b, int c)
  266. {
  267.     glGenBuffers(3,&VboId[0]);//座標､法線､色の３つ
  268.    
  269.     //頂点
  270.     glBindBuffer(GL_ARRAY_BUFFER,VboId[0]);
  271.     glBufferData(GL_ARRAY_BUFFER,sizeof(vertexAry)*a*b*c,
  272.                 vertexAry,GL_DYNAMIC_DRAW);//データ変更する
  273.  
  274.     //法線
  275.     glBindBuffer(GL_ARRAY_BUFFER,VboId[1]);
  276.     glBufferData(GL_ARRAY_BUFFER,sizeof(normalAry)*a*b*c,
  277.                 normalAry,GL_DYNAMIC_DRAW);//データ変更あり
  278.  
  279.     //色
  280.     glBindBuffer(GL_ARRAY_BUFFER,VboId[2]);
  281.     glBufferData(GL_ARRAY_BUFFER,sizeof(colorAry)*a*b*c,
  282.                     colorAry,GL_STREAM_DRAW);//データ変更なし
  283.  
  284.     //インデックス
  285.     glGenBuffers(1,&VboIndex);
  286.     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,VboIndex);
  287.     glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(indexAry)*a*b,
  288.                     indexAry,GL_STATIC_DRAW);//データ変更なし
  289. }
  290. //----------- メイン関数------------//
  291. int main(int argc, char *argv[])
  292. {
  293.     FILE *fpi1,*fpi2,*fpi3,*fpi4;
  294.     int face,vertex,point;
  295.     int i,j,k;
  296.     float data;
  297.  
  298.     if(argc!=8)
  299.     {
  300.         fprintf(stderr,"Usage: %s 5m_mesh_data.lem,5m_mesh_data.raw\n",argv[0]);
  301.         exit(1);
  302.     }
  303.     printf("OPEN FILE NAME:%s\n",argv[1]);
  304.  
  305.     if((fpi1=fopen(argv[1],"rb"))==NULL)
  306.     {
  307.         fprintf(stderr,"Can not open\n");
  308.         exit(1);
  309.     }
  310.  
  311.     if((fpi2=fopen(argv[2],"rb"))==NULL)
  312.     {
  313.         fprintf(stderr,"Can not open\n");
  314.         exit(1);
  315.     }
  316.  
  317.     if((fpi3=fopen(argv[3],"rb"))==NULL)
  318.     {
  319.         fprintf(stderr,"Can not open\n");
  320.         exit(1);
  321.     }
  322.  
  323.     if((fpi4=fopen(argv[4],"rb"))==NULL)
  324.     {
  325.         fprintf(stderr,"Can not open\n");
  326.         exit(1);
  327.     }
  328.  
  329.     face=atoi(argv[5]);
  330.     vertex=atoi(argv[6]);
  331.     point=atoi(argv[7]);
  332.     vertexAry=(GLfloat *)malloc(face*vertex*point*sizeof(GLfloat));
  333.     fread((GLfloat *)vertexAry,sizeof(GLfloat),face*vertex*point,fpi1);
  334.     normalAry=(GLfloat *)malloc(face*vertex*point*sizeof(GLfloat));
  335.     fread((GLfloat *)normalAry,sizeof(GLfloat),face*vertex*point,fpi2);
  336.     colorAry=(GLfloat *)malloc(face*vertex*point*sizeof(GLfloat));
  337.     fread((GLfloat *)colorAry,sizeof(GLfloat),face*vertex*point,fpi3);
  338.     indexAry=(GLubyte *)malloc(face*vertex*sizeof(GLubyte));
  339.     fread((GLubyte *)indexAry,sizeof(GLubyte),face*vertex,fpi4);
  340.  
  341.     //GLUTの初期設定
  342.     glutInit(&argc, argv);
  343.     glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
  344.     glutInitWindowSize(640,480);
  345.     glutCreateWindow("VBO Sample");
  346.     //GLEWの初期設定
  347.     GLenum err = glewInit();
  348.     if(err != GLEW_OK)
  349.     {
  350.         fprintf(stderr,"Err:%s\n",
  351.             glewGetErrorString(err));
  352.         return -1;
  353.     }
  354.     //拡張チェック
  355.     if(!glewIsExtensionSupported(
  356.                     "GL_ARB_vertex_buffer_object")){
  357.         puts("you Can't use VBO");
  358.         return -1;
  359.     }
  360.  
  361.     //コールバック
  362.     glutDisplayFunc(display);
  363.     glutReshapeFunc(reshape);
  364.     glutIdleFunc(idle);
  365.     glutKeyboardFunc(keyboard);
  366.  
  367.     otherInit();
  368.    
  369.     buildVBO(face,vertex,point);//VBOの作成
  370.     glutMainLoop();
  371.  
  372.     fclose(fpi1);
  373.     fclose(fpi2);
  374.     fclose(fpi3);
  375.     fclose(fpi4);
  376.  
  377.     return 0;
  378. }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!