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2017/11/14 07:35

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windowsaa

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test CHANGED Viewed

@@ -3,885 +3,3 @@
 どうすれば描画できるようになりますか？
-[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
-```
-#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
-{
-	////一時的に利用する点の構造体
-	//typedef struct tmp_point{
-	//	double coord[3];     //座標
-	//	unsigned int index;    //点に付随するユニークなインデックス
-	//}tmp_point;
-	////一時的に利用する辺の構造体
-	//typedef struct tmp_edge{
-	//	unsigned int start;
-	//	unsigned int end;
-	//	tmp_edge *next;
-	//}tmp_edge;
-	////点とその個数、一時的な利用
-	//tmp_point *point_array[INT_MAX / 100000];
-	//unsigned int num_points;//点の数
-	//unsigned int num_edges;//辺の数
-	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)){
-			////normalが見つかるまで読み飛ばす
-			//i = str.find("normal");
-			//if (i > 0){
-			//	for (int c = 2; c >= 0; c--){
-			//		values[num_triangles].nornVec[c] = atof(str.substr(str.rfind(" ")).c_str());
-			//		str.erase(str.rfind(" "));
-			//		num_tmp_points++;
-			//	}
-			//}
-			//vertexが見つかるまで読み飛ばす
-			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;
-		//ifstream ifs(STL_file, ios_base::binary);
-		//ofstream ofs("result.txt");//結果を書き込む用
-		//if (!ifs)
-		//{
-		//	// エラー処理
-		//	ofs << "Can't open file " << endl;
-		//	ifs.close();
-		//	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;
-	}
-};
-```