load_the_object.rar_load obj_obj 3d

/*==========================================================*/ // // OBJ Loader written by Kamran (2218) for the CG Course // All code designed and done by Myself (Kami) // BTW The obj format is quite simple // // NOTE: This OBJ Loader DOES NOT support OBJ files with // materials/textures so no obj files with 'vt' etc! // /*==========================================================*/ #include <GL/glut.h> #include <stdlib.h> #include <stdio.h> #include <iostream> struct Triangle { int v1; int v2; int v3; }; struct Vertex { float x; float y; float z; }; using namespace std; static void display(void) { // move the view a lil down so we could get the tree.obj in the centre of screen glTranslatef(0.0, -0.50, 0.0); // clear all pixels glClear(GL_COLOR_BUFFER_BIT); glColor3f(1.0, 1.0, 1.0); Vertex v[50000]; Triangle t[50000]; int vertexCount = 0; int triangleCount = 0; char line[100]; FILE *fp = fopen("tree.obj","r"); if (fp != NULL) { while (fgets(line, 99, fp)) { if (line[0] == 'v') { sscanf(line, "%*c %f %f %f", &v[vertexCount].x, &v[vertexCount].y, &v[vertexCount].z); vertexCount++; } else if (line[0] == 'f') { sscanf(line, "%*c %d %d %d", &t[triangleCount].v1, &t[triangleCount].v2, &t[triangleCount].v3); triangleCount++; } } } fclose(fp); glBegin(GL_TRIANGLES); for (int i=0; i<triangleCount; i++) { glVertex3f(v[t[i].v1-1].x * 0.25, v[t[i].v1-1].y * 0.25, v[t[i].v1-1].z * 0.25); glVertex3f(v[t[i].v2-1].x * 0.25, v[t[i].v2-1].y * 0.25, v[t[i].v2-1].z * 0.25); glVertex3f(v[t[i].v3-1].x * 0.25, v[t[i].v3-1].y * 0.25, v[t[i].v3-1].z * 0.25); } glEnd(); // Don't wait start processing buffered OpenGL routines glFlush(); } void init(void) { //Setup Display glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); glutInitWindowSize(1024,768); glutInitWindowPosition(100,100); glutCreateWindow("The Ultimate OBJ Loader written by Kamran Paaji"); //select clearing (background) color glClearColor(0.0, 0.0, 0.0, 0.0); } int main(int argc, char *argv[]) { //Initialise GLUT with command-line parameters. glutInit(&argc, argv); //Call init (initialise GLUT) init(); //Call "display" function glutDisplayFunc(display); //Enter the GLUT event loop glutMainLoop(); return 0; }