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質問編集履歴

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2017/11/14 07:36

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windowsaa

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test CHANGED Viewed

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test CHANGED Viewed

@@ -10,802 +10,4 @@
-[sorce code]
-```C++
-#include<iostream>
-#include<gl/glut.h>
-#include"stlreader.h"
-#define STL_FILE "C:\Users\owner\Desktop\nsx_concept_LOW.stl"
-void display(void);
-void reshape(int w, int h);
-void draw();
-void init();
-void DRAW_XYZ();
-Triangle *triangles;
-int num;
-STLreader stlreader;
-//unsigned char key = NULL;
-int main(int argc, char *argv[])
-{
+[
-    glutInitWindowPosition(128, 128);
-    glutInitWindowSize(800, 800);
-    glutInit(&argc, argv);
-    glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
-    glutCreateWindow("argv[0]");
-    init();
-    glutDisplayFunc(display);
-    glutReshapeFunc(reshape);
-    //    glutKeyboardFunc(keyboard);
-    glutMainLoop();
-        if (triangles)
-            delete[] triangles;
-    return 0;
-}
-void display(void)
-{
-    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-    glLoadIdentity();
-    gluLookAt(3.0, 4.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); //視点の設定
-    draw();  //描画
-    glutSwapBuffers();  //ウィンドウに出力
-}
-void reshape(int w, int h)
-{
-    glViewport(0, 0, w, h);  //ビューポートの設定
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    gluPerspective(30.0, (double)w / (double)h, 1.0, 100.0); //視野の設定
-    glMatrixMode(GL_MODELVIEW);
-}
-void draw()
-{
-            if (triangles)
-                delete[] triangles;
-            if (!(num = STLreader::countTriangles(string(STL_FILE))))
-                return;
-            triangles = new Triangle[num];
-            stlreader.readASCIISTLFile(STL_FILE, triangles);
-            stlreader.readBinarySTLFile(STL_FILE, triangles);
-            glClear(GL_COLOR_BUFFER_BIT);
-            DRAW_XYZ();
-            glBegin(GL_TRIANGLES);
-            glColor3f(0.0, 0.0, 0.0);
-            for (int i = 0; i < num; i++)
-            {
-                glNormal3dv(triangles[i].nornVec);
-                glVertex3dv(triangles[i].pnt1);
-                glVertex3dv(triangles[i].pnt2);
-                glVertex3dv(triangles[i].pnt3);
-            }
-            glEnd();
-            glFlush();
-}
-void init()
-{
-    glClearColor(1.0, 1.0, 1.0, 1.0);
-}
-void DRAW_XYZ()
-{
-    glBegin(GL_LINES);
-    glColor3f(0, 1, 0);//x
-    glVertex2f(-100, 0);
-    glVertex2f(100, 0);
-    glColor3f(1, 0, 0);//y
-    glVertex2f(0, 0);
-    glVertex2f(0, 100);
-    glColor3f(0, 0, 1);//z
-    glVertex3f(0, 0, -100);
-    glVertex3f(0, 0, 100);
-    glEnd();
-}
-```
-C++
-ヘッダーファイルです
-```C++
-#include <iostream>
-#include <cmath>
-#include <string>
-#include <fstream>
-using namespace std;
-struct vert
-{
-    double pnt1[3];
-    double pnt2[3];
-    double pnt3[3];
-};
-struct vert4
-{
-    double pnt1[4];//x,y,z,w
-    double pnt2[4];
-    double pnt3[4];
-};
-struct Triangle {
-    double nornVec[3];
-    double pnt1[3];
-    double pnt2[3];
-    double pnt3[3];
-    unsigned int index;
-};
-class STLreader
-{
-    unsigned int num_tmp_points;//一時的な変数
-    unsigned int num_triangles;//三角形の数
-public:
-    static int countTriangles(string filename)
-    {
-        //STLファイルのオープン
-        ifstream ifs;
-        char line[80];
-        ifs.open(filename);
-        if (ifs.fail())
-            return false;
-        string str;
-        int count = 0;
-        int a;
-        getline(ifs, str);
-        //int h = str.find("solid");
-        if (str.find("solid")==-1){
-            ifs.close();
-            ifs.open(filename, ios::binary);
-            if (ifs.fail())
-                return false;
-            ifs.read(line, 80);
-            ifs.read(line, 4);
-            return *(int *)line;
-        }
-        while (getline(ifs, str)){
-            a = str.find("normal");
-            if (a > 0)
-                count++;
-        }
-        ifs.close();
-        return count;
-    };
-    bool readASCIISTLFile(string filename, Triangle *values)
-    {
-        //STLファイルのオープン
-        ifstream ifs(filename);
-        if (ifs.fail())
-            return false;
-        //vector<mesh> Stldata;
-        string str;
-        int index = 0, j;
-        double x = 0, y = 0, z = 0;
-        //tmp_point *tmp_pnt = new tmp_point;
-        ////STLファイルのオープン
-        //in = fopen(filename.c_str(), "r");
-        //if (in == NULL)
-        //    return false;
-        getline(ifs, str);
-        if (0 < str.find("solid"))
-            return false;
-        //ファイルから座標値の読み込み
-        printf("Tring text STL file ...");
-        num_tmp_points = 0;
-        num_triangles = 0;
-        while (getline(ifs, str)){
-            j = str.find("vertex");
-            if (j<0)
-                continue;
-            //連続する３頂点の読み込みポリゴンを登録
-            //tmp_pnt = (tmp_point *)malloc(sizeof(tmp_point));
-            for (int c = 2; c >= 0; c--)
-            {
-                values[num_triangles].pnt1[c] = atof(str.substr(str.rfind(" ")).c_str());
-                str.erase(str.rfind(" "));
-                num_tmp_points++;
-            }
-            //point_array[num_tmp_points-1] = tmp_pnt;
-            //tmp_pnt = (tmp_point *)malloc(sizeof(tmp_point));
-            getline(ifs, str);
-            for (int c = 2; c >= 0; c--)
-            {
-                values[num_triangles].pnt2[c] = atof(str.substr(str.rfind(" ")).c_str());
-                str.erase(str.rfind(" "));
-                //tmp_pnt->index = num_tmp_points;
-                num_tmp_points++;
-            }
-            //point_array[num_tmp_points-1] = tmp_pnt;
-            //tmp_pnt = (tmp_point *)malloc(sizeof(tmp_point));
-            getline(ifs, str);
-            for (int c = 2; c >= 0; c--)
-            {
-                values[num_triangles].pnt3[c] = atof(str.substr(str.rfind(" ")).c_str());
-                str.erase(str.rfind(" "));
-                //tmp_pnt->index = num_tmp_points;
-                num_tmp_points++;
-            }
-            values[num_triangles].nornVec[0] = getNormalVert(values[num_triangles])[0];
-            values[num_triangles].nornVec[1] = getNormalVert(values[num_triangles])[1];
-            values[num_triangles].nornVec[2] = getNormalVert(values[num_triangles])[2];
-            values[num_triangles].index = num_triangles;
-            num_triangles++;
-        }
-        ifs.close();
-        //fclose(in);
-        if (num_triangles > 0)
-            printf("Done.\n");
-        else
-            printf("Failed\n");
-        return(num_triangles > 0);
-    }
-    bool readBinarySTLFile(string STL_file, Triangle *values)
-    {
-        char line[81];
-        float *coord;
-        int num;
-        FILE *in;
-        errno_t error;
-        ifstream ifs(STL_file);
-        if (ifs.fail())
-            return false;
-        if ((error = fopen_s(&in,STL_file.c_str(), "rb")) != 0)
-        {
-            // エラー処理
-            //ofs << "Can't open file " << endl;
-            fclose(in);
-            return false;
-        }
-        //最初の84ビット分を読み飛ばす
-        if (fread(line, 1, 80, in) != 80)
-            return false;
-        printf("Tring binary STL file ...");
-        fread(line, 1, 4, in);
-        num = *(int*)line;
-        //ofs << "number of triangles: " << num<< endl;
-        int j = 0;
-        //ofs << "solid model" << endl;
-        while (fread(line, 1, 50, in) == 50)
-        {
-            coord = (float *)line;
-            //values[j].nornVec[0] = coord[0];
-            //values[j].nornVec[1] = coord[1];
-            //values[j].nornVec[2] = coord[2];
-            values[j].pnt1[0] = coord[3];
-            values[j].pnt1[1] = coord[4];
-            values[j].pnt1[2] = coord[5];
-            values[j].pnt2[0] = coord[6];
-            values[j].pnt2[1] = coord[7];
-            values[j].pnt2[2] = coord[8];
-            values[j].pnt3[0] = coord[9];
-            values[j].pnt3[1] = coord[10];
-            values[j].pnt3[2] = coord[11];
-            values[j].nornVec[0] = getNormalVert(values[j])[0];
-            values[j].nornVec[1] = getNormalVert(values[j])[1];
-            values[j].nornVec[2] = getNormalVert(values[j])[2];
-            values[j].index = j;
-            j++;
-        }
-        //ofs << "endsolid model" << endl;
-        fclose(in);
-        //ofs.close();
-        if (num > 0)
-            printf("Done.\n");
-        else
-            printf("Failed\n");
-        return(num > 0);
-    }
-    //vec0とvec1の内積の計算
-    double dot(double vec0[], double vec1[])
-    {
-        return (vec0[0] * vec1[0] + vec0[1] * vec1[1] + vec0[2] * vec1[2]);
-    }
-    void cross(double vec0[], double vec1[], double vec2[])
-    {
-        vec2[0] = vec0[1] * vec1[2] - vec0[2] * vec1[1];
-        vec2[1] = vec0[2] * vec1[0] - vec0[0] * vec1[2];
-        vec2[2] = vec0[0] * vec1[1] - vec0[1] * vec1[0];
-    }
-    void normVec(double vec[])
-    {
-        double norm;
-        norm = sqrt((vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2]));
-        vec[0] /= norm; vec[1] /= norm; vec[2] /= norm;
-    }
-    double* getNormalVert(Triangle vertex)
-    {
-        double normalVec[3] = {};
-        double vec1[3] = {    vertex.pnt2[0] - vertex.pnt1[0],
-                            vertex.pnt2[1] - vertex.pnt1[1],
-                            vertex.pnt2[2] - vertex.pnt1[2] };
-        double vec2[3] = {    vertex.pnt3[0] - vertex.pnt2[0],
-                            vertex.pnt3[1] - vertex.pnt2[1],
-                            vertex.pnt3[2] - vertex.pnt2[2] };
-        cross(vec1, vec2, normalVec);
-        normVec(normalVec);//正規化
-        return normalVec;
-    }
-};
-```