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| 1 | #include <iostream> | |
| 2 | #include<GL/gl.h> | |
| 3 | #include<GL/glut.h> | |
| 4 | #include<stdio.h> | |
| 5 | #include <vector> | |
| 6 | #include <fstream> | |
| 7 | ||
| 8 | using namespace std; | |
| 9 | ||
| 10 | GLfloat X = 0.0f; // Translate screen to x direction (left or right) | |
| 11 | GLfloat Y = 0.0f; // Translate screen to y direction (up or down) | |
| 12 | GLfloat Z = 0.0f; // Translate screen to z direction (zoom in or out) | |
| 13 | GLfloat rotX = 0.0f; // Rotate screen on x axis | |
| 14 | GLfloat rotY = 0.0f; // Rotate screen on y axis | |
| 15 | GLfloat rotZ = 0.0f; // Rotate screen on z axis | |
| 16 | GLfloat rotLx = 0.0f; // Translate screen by using the glulookAt function (left or right) | |
| 17 | GLfloat rotLy = 0.0f; // Translate screen by using the glulookAt function (up or down) | |
| 18 | GLfloat rotLz = 0.0f; // Translate screen by using the glulookAt function (zoom in or out) | |
| 19 | ||
| 20 | float deltaAngle = 0.0f; | |
| 21 | int xOrigin = -1; | |
| 22 | //globals | |
| 23 | ||
| 24 | ||
| 25 | GLuint car; | |
| 26 | float carrot; | |
| 27 | int nTriangles; | |
| 28 | ||
| 29 | //typedef struct Vertex | |
| 30 | - | class Vertex {
|
| 30 | + | |
| 31 | // double x; //num de vertices | |
| 32 | - | public: |
| 32 | + | |
| 33 | - | Vertex (int,int,int); |
| 33 | + | |
| 34 | // double faces; //qtd faces | |
| 35 | // | |
| 36 | //} | |
| 37 | //Vertex; | |
| 38 | ||
| 39 | class Vertex | |
| 40 | {
| |
| 41 | - | Vertex::Vertex(int nx, int ny, int nz) {
|
| 41 | + | |
| 42 | public: | |
| 43 | Vertex (double,double,double); | |
| 44 | Vertex(); | |
| 45 | ~Vertex(); | |
| 46 | double getX(void); | |
| 47 | double getY(void); | |
| 48 | double getZ(void); | |
| 49 | }; | |
| 50 | ||
| 51 | Vertex::Vertex(double nx, double ny, double nz) | |
| 52 | - | Vertex::Vertex(void){
|
| 52 | + | |
| 53 | x = nx; | |
| 54 | y = ny; | |
| 55 | z = nz; | |
| 56 | - | double Vertex::getX(void){
|
| 56 | + | |
| 57 | ||
| 58 | Vertex::~Vertex(void) | |
| 59 | {
| |
| 60 | - | double Vertex::getY(void){
|
| 60 | + | |
| 61 | } | |
| 62 | ||
| 63 | Vertex::Vertex(void) | |
| 64 | - | double Vertex::getZ(void){
|
| 64 | + | |
| 65 | ||
| 66 | } | |
| 67 | ||
| 68 | double Vertex::getX(void) | |
| 69 | {
| |
| 70 | return x; | |
| 71 | } | |
| 72 | ||
| 73 | double Vertex::getY(void) | |
| 74 | {
| |
| 75 | return y; | |
| 76 | } | |
| 77 | - | int globalTriangles[680000][3]; |
| 77 | + | |
| 78 | double Vertex::getZ(void) | |
| 79 | {
| |
| 80 | return z; | |
| 81 | } | |
| 82 | ||
| 83 | ||
| 84 | vector <Vertex> globalVertices; | |
| 85 | ||
| 86 | typedef struct Triangle | |
| 87 | {
| |
| 88 | ||
| 89 | ||
| 90 | } Triangle; | |
| 91 | ||
| 92 | int globalTriangles[680000][5]; | |
| 93 | ||
| 94 | //other functions and main | |
| 95 | //.obj loader code | |
| 96 | ||
| 97 | ||
| 98 | void loadObj(char *fname) | |
| 99 | {
| |
| 100 | // FILE *fp; | |
| 101 | int read; | |
| 102 | GLfloat x, y, z; | |
| 103 | int vindex = 0,vtindex = 0,vnindex = 0; | |
| 104 | char ch; | |
| 105 | car=glGenLists(1); | |
| 106 | streampos Position; | |
| 107 | streamoff Offset=0; | |
| 108 | ifstream fp (fname); | |
| 109 | // fstream InputFile(fname,ios::in); | |
| 110 | // fp=f(fname,"r"); | |
| 111 | // | |
| 112 | ||
| 113 | if (!fp) | |
| 114 | {
| |
| 115 | - | type = line.substr(0,2); |
| 115 | + | |
| 116 | exit(1); | |
| 117 | } | |
| 118 | // filebuf * InputBuffer=InputFile.rdbuf(); | |
| 119 | glPointSize(2.0); | |
| 120 | // glPushMatrix(); | |
| 121 | // glBegin(GL_TRIANGLES); | |
| 122 | nTriangles = 0; | |
| 123 | while(!fp.eof()) | |
| 124 | {
| |
| 125 | string type; | |
| 126 | string line; | |
| 127 | ||
| 128 | while (getline(fp, line)) | |
| 129 | {
| |
| 130 | type = line.substr(0,2); | |
| 131 | //cout << "linha: " << line << endl; | |
| 132 | ||
| 133 | if (type != "") | |
| 134 | {
| |
| 135 | if(type.compare("v ") == 0)
| |
| 136 | {
| |
| 137 | sscanf (line.c_str(), "%c %f %f %f",&ch,&x,&y,&z); | |
| 138 | Vertex v(x,y,z); | |
| 139 | globalVertices.push_back(v); | |
| 140 | //cout << "vertex" << " x: "<< x << "y: " << y << "z: " << z << endl; | |
| 141 | } | |
| 142 | - | int temp, vnum, tnum, nnum, v2num, t2num, n2num, v3num, t3num, n3num; |
| 142 | + | |
| 143 | {
| |
| 144 | - | temp = sscanf (line.c_str(), "%c %i/%i/%i",&ch,&vnum,&tnum,&nnum); |
| 144 | + | |
| 145 | - | //cout << "LIDO F: " << temp << endl; |
| 145 | + | |
| 146 | - | if (temp == 4) |
| 146 | + | |
| 147 | } | |
| 148 | - | temp = sscanf (line.c_str(), "%c %i/%i/%i %i/%i/%i %i/%i/%i",&ch,&vnum,&tnum,&nnum,&v2num,&t2num,&n2num, &v3num, &t3num, &n3num); |
| 148 | + | |
| 149 | - | // cout << "formato f v1/t1/n1" << endl; |
| 149 | + | |
| 150 | - | // Vertex v1 = globalVertices.at(vnum); |
| 150 | + | |
| 151 | - | // Vertex v2 = globalVertices.at(v2num); |
| 151 | + | |
| 152 | - | // Vertex v3 = globalVertices.at(v3num); |
| 152 | + | |
| 153 | - | // globalTriangles[nTriangles].push_back(v1); |
| 153 | + | |
| 154 | - | // globalTriangles[nTriangles].push_back(v2); |
| 154 | + | |
| 155 | - | // globalTriangles[nTriangles].push_back(v3); |
| 155 | + | |
| 156 | - | // nTriangles++; |
| 156 | + | |
| 157 | - | globalTriangles[nTriangles][0] = vnum; |
| 157 | + | int temp, vnum, tnum, nnum, v2num, t2num, n2num, v3num, t3num, n3num, v4num, t4num; |
| 158 | - | globalTriangles[nTriangles][1] = v2num; |
| 158 | + | |
| 159 | - | globalTriangles[nTriangles][2] = v3num; |
| 159 | + | temp = sscanf (line.c_str(), "%c %i//%i %i//%i %i//%i",&ch,&vnum,&tnum, &v2num, &t2num, &v3num, &t3num); |
| 160 | - | nTriangles++; |
| 160 | + | if (temp == 7) |
| 161 | {
| |
| 162 | globalTriangles[nTriangles][0] = 3; | |
| 163 | globalTriangles[nTriangles][1] = vnum-1; | |
| 164 | - | temp = sscanf (line.c_str(), "%c %i//%i",&ch,&vnum,&nnum); |
| 164 | + | globalTriangles[nTriangles][2] = v2num-1; |
| 165 | - | if (temp == 3) |
| 165 | + | globalTriangles[nTriangles][3] = v3num-1; |
| 166 | - | {
|
| 166 | + | nTriangles++; |
| 167 | - | //cout << "formato f v1//n1" << endl; |
| 167 | + | |
| 168 | - | temp = sscanf (line.c_str(), "%c %i//%i %i//%i %i//%i",&ch,&vnum,&nnum,&v2num,&n2num, &v3num,&n3num); |
| 168 | + | |
| 169 | - | // Vertex v1 = globalVertices.at(vnum); |
| 169 | + | |
| 170 | - | // Vertex v2 = globalVertices.at(v2num); |
| 170 | + | temp = sscanf (line.c_str(), "%c %i//%i %i//%i %i//%i",&ch,&vnum,&tnum, &v2num, &t2num, &v3num, &t3num, &v4num, &t3num); |
| 171 | - | // Vertex v3 = globalVertices.at(v3num); |
| 171 | + | globalTriangles[nTriangles][0] = 4; |
| 172 | - | // globalTriangles[nTriangles].push_back(v1); |
| 172 | + | globalTriangles[nTriangles][1] = vnum-1; |
| 173 | - | // globalTriangles[nTriangles].push_back(v2); |
| 173 | + | globalTriangles[nTriangles][2] = v2num-1; |
| 174 | - | // globalTriangles[nTriangles].push_back(v3); |
| 174 | + | globalTriangles[nTriangles][3] = v3num-1; |
| 175 | - | // nTriangles++; |
| 175 | + | globalTriangles[nTriangles][4] = v4num-1; |
| 176 | - | globalTriangles[nTriangles][0] = vnum; |
| 176 | + | nTriangles++; |
| 177 | - | globalTriangles[nTriangles][1] = v2num; |
| 177 | + | |
| 178 | - | globalTriangles[nTriangles][2] = v3num; |
| 178 | + | //cout << "LIDO F: " << temp << " " << ch << "v1: " << vnum << "/ " << tnum << "v2: "<< v2num << "/ " << t2num << "v3: "<< v3num << "/ " << t3num << endl; |
| 179 | - | nTriangles++; |
| 179 | + | |
| 180 | - | } |
| 180 | + | |
| 181 | - | else |
| 181 | + | |
| 182 | - | {
|
| 182 | + | |
| 183 | - | temp = sscanf (line.c_str(), "%c %i/%i",&ch,&vnum,&tnum, &v2num, &t2num, &v3num, &t3num); |
| 183 | + | |
| 184 | - | if (temp == 3) |
| 184 | + | |
| 185 | - | {
|
| 185 | + | |
| 186 | - | temp = sscanf (line.c_str(), "%c %i/%i/%i",&ch,&vnum,&tnum, &v2num, &t2num, &v3num, &t3num); |
| 186 | + | |
| 187 | - | // Vertex v1 = globalVertices.at(vnum); |
| 187 | + | |
| 188 | - | // Vertex v2 = globalVertices.at(v2num); |
| 188 | + | |
| 189 | - | // Vertex v3 = globalVertices.at(v3num); |
| 189 | + | |
| 190 | - | // globalTriangles[nTriangles].push_back(v1); |
| 190 | + | |
| 191 | - | // globalTriangles[nTriangles].push_back(v2); |
| 191 | + | |
| 192 | - | // globalTriangles[nTriangles].push_back(v3); |
| 192 | + | |
| 193 | - | // nTriangles++; |
| 193 | + | |
| 194 | - | // cout << "formato f v1/t1" << endl; |
| 194 | + | |
| 195 | - | globalTriangles[nTriangles][0] = vnum; |
| 195 | + | |
| 196 | - | globalTriangles[nTriangles][1] = v2num; |
| 196 | + | |
| 197 | - | globalTriangles[nTriangles][2] = v3num; |
| 197 | + | |
| 198 | - | nTriangles++; |
| 198 | + | gluPerspective (135, (GLfloat)w / (GLfloat)h, 0.1, 10000.0); |
| 199 | - | } |
| 199 | + | |
| 200 | - | } |
| 200 | + | |
| 201 | glLoadIdentity(); | |
| 202 | gluLookAt (1.0, 1000.0, 10.0, 0.0, 0.0, 0.0, 1.0, 1.0, 0.0); | |
| 203 | } | |
| 204 | ||
| 205 | ||
| 206 | void drawCar() | |
| 207 | {
| |
| 208 | glPointSize(2.0); | |
| 209 | glNewList(car, GL_COMPILE); | |
| 210 | {
| |
| 211 | {
| |
| 212 | glPushMatrix(); | |
| 213 | // cout << globalTriangles.size() << endl; | |
| 214 | glColor3f(1.0f, 0.0f, 0.0f); | |
| 215 | glBegin(GL_POINTS); | |
| 216 | // Vertex v0 = globalVertices[globalTriangles[0][1]]; | |
| 217 | // Vertex v1 = globalVertices[globalTriangles[0][2]]; | |
| 218 | - | gluPerspective (60, (GLfloat)w / (GLfloat)h, 0.1, 1000.0); |
| 218 | + | // Vertex v2 = globalVertices[globalTriangles[0][3]]; |
| 219 | // cout << v0.getX() << " " << " " << v0.getY() << " " << v0.getZ() << endl; | |
| 220 | // cout << v1.getX() << " " << " " << v1.getY() << " " << v1.getZ() << endl; | |
| 221 | // cout << v2.getX() << " " << " " << v2.getY() << " " << v2.getZ() << endl; | |
| 222 | for (int i = 0; i < globalVertices.size(); i++) | |
| 223 | {
| |
| 224 | // for (int i = 0; i < nTriangles; i++) | |
| 225 | // {
| |
| 226 | - | glPushMatrix(); |
| 226 | + | |
| 227 | - | glTranslatef(0,-40.00,-105); |
| 227 | + | // if (globalTriangles[i][0] == 3) {
|
| 228 | - | glColor3f(1.0,0.23,0.27); |
| 228 | + | // glBegin(GL_TRIANGLES); |
| 229 | - | glScalef(0.1,0.1,0.1); |
| 229 | + | // Vertex v0 = globalVertices[globalTriangles[i][1]]; |
| 230 | - | //glRotatef(carrot,0,1,0); |
| 230 | + | // Vertex v1 = globalVertices[globalTriangles[i][2]]; |
| 231 | - | glCallList(car); |
| 231 | + | // Vertex v2 = globalVertices[globalTriangles[i][3]]; |
| 232 | - | glPopMatrix(); |
| 232 | + | |
| 233 | - | carrot=carrot+0.6; |
| 233 | + | // glVertex3f(v0.getX(), v0.getY(), v0.getZ()); |
| 234 | - | if(carrot>360)carrot=carrot-360; |
| 234 | + | // glVertex3f(v1.getX(), v1.getY(), v1.getZ()); |
| 235 | // glVertex3f(v2.getX(), v2.getY(), v2.getZ()); | |
| 236 | // glEnd(); | |
| 237 | // } | |
| 238 | // else if (globalTriangles[i][0] == 4) {
| |
| 239 | // | |
| 240 | // Vertex v0 = globalVertices[globalTriangles[i][1]]; | |
| 241 | // Vertex v1 = globalVertices[globalTriangles[i][2]]; | |
| 242 | // Vertex v2 = globalVertices[globalTriangles[i][3]]; | |
| 243 | - | glColor3f(1.0f, 0.0f, 0.0f); |
| 243 | + | // Vertex v3 = globalVertices[globalTriangles[i][4]]; |
| 244 | // glBegin(GL_QUADS); | |
| 245 | - | for (int i = 0; i < nTriangles; i++) {
|
| 245 | + | // glVertex3f(v0.getX(), v0.getY(), v0.getZ()); |
| 246 | // glVertex3f(v1.getX(), v1.getY(), v1.getZ()); | |
| 247 | - | Vertex v0 = globalVertices[globalTriangles[i][0]]; |
| 247 | + | // glVertex3f(v2.getX(), v2.getY(), v2.getZ()); |
| 248 | - | Vertex v1 = globalVertices[globalTriangles[i][1]]; |
| 248 | + | // glVertex3f(v3.getX(), v3.getY(), v3.getZ()); |
| 249 | - | Vertex v2 = globalVertices[globalTriangles[i][2]]; |
| 249 | + | // glEnd(); |
| 250 | - | glBegin(GL_TRIANGLES); |
| 250 | + | // } |
| 251 | - | glVertex3f(v0.getX(), v0.getY(), v0.getZ()); |
| 251 | + | |
| 252 | - | glVertex3f(v1.getX(), v1.getY(), v1.getZ()); |
| 252 | + | Vertex v0 = globalVertices[i]; |
| 253 | - | glVertex3f(v2.getX(), v2.getY(), v2.getZ()); |
| 253 | + | Vertex v1 = globalVertices[i]; |
| 254 | - | glEnd(); |
| 254 | + | Vertex v2 = globalVertices[i]; |
| 255 | ||
| 256 | glVertex3f(v0.getX(), v0.getY(), v0.getZ()); | |
| 257 | glVertex3f(v1.getX(), v1.getY(), v1.getZ()); | |
| 258 | glVertex3f(v2.getX(), v2.getY(), v2.getZ()); | |
| 259 | ||
| 260 | ||
| 261 | } | |
| 262 | glEnd(); | |
| 263 | glPopMatrix(); | |
| 264 | glEndList(); | |
| 265 | glPushMatrix(); | |
| 266 | - | glutInitWindowSize(800,600); |
| 266 | + | glTranslatef(0,-40.00,-105); |
| 267 | - | glutInitWindowPosition(20,20); |
| 267 | + | glColor3f(1.0,0.23,0.27); |
| 268 | glScalef(0.1,0.1,0.1); | |
| 269 | //glRotatef(carrot,0,1,0); | |
| 270 | glCallList(car); | |
| 271 | glPopMatrix(); | |
| 272 | - | loadObj("./paredesSimples.obj");//replace porsche.obj with radar.obj or any other .obj to display it
|
| 272 | + | carrot=carrot+0.6; |
| 273 | if(carrot>360)carrot=carrot-360; | |
| 274 | ||
| 275 | ||
| 276 | } | |
| 277 | } | |
| 278 | } | |
| 279 | ||
| 280 | ||
| 281 | void display(void) | |
| 282 | {
| |
| 283 | glClearColor (0.0,0.0,0.0,1.0); | |
| 284 | glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
| 285 | glLoadIdentity(); | |
| 286 | drawCar(); | |
| 287 | glutSwapBuffers(); //swap the buffers | |
| 288 | } | |
| 289 | ||
| 290 | ||
| 291 | int main(int argc,char **argv) | |
| 292 | {
| |
| 293 | glutInit(&argc,argv); | |
| 294 | ||
| 295 | glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGB|GLUT_DEPTH); | |
| 296 | glutInitWindowSize(460,300); | |
| 297 | //glutInitWindowPosition(20,20); | |
| 298 | glutCreateWindow("ObjLoader");
| |
| 299 | glutReshapeFunc(reshape); | |
| 300 | glutDisplayFunc(display); | |
| 301 | glutIdleFunc(display); | |
| 302 | loadObj("./casa/casa.obj");
| |
| 303 | glutMainLoop(); | |
| 304 | return 0; | |
| 305 | } |