void ofxMesh::toMesh(ofMesh & mesh){
mesh.clear();
if (hasVertices()) {
mesh.getVertices()=getVertices();
}
if (hasColors()) {
mesh.getColors()=getColors();
}
if (hasNormals()) {
mesh.getNormals()=getNormals();
}
if (hasTexCoords()) {
mesh.getTexCoords()=getTexCoords();
}
if (hasIndices()) {
mesh.getIndices()=getIndices();
}
}
void ofxOBJModel::loadVbo() {
int count = 0;
for(int i = 0; i < meshes.size(); i++) {
for(int j = 0; j < meshes[i]->faces.size(); j++) {
int pointCount = meshes[i]->faces[j]->points.size();
if(pointCount==3) {
count += 3;
} else {
// if the poly has more than 3 sides,
// we're gonna do a triangle fan.
// 4 points goes to 6 points
// 5 points goes to 9 points
// 6 points goes to 12 points
count += (pointCount - 2)*3;
}
}
}
coords = new ofVec3f[count];
ofVec3f *normals = NULL;
ofVec2f *texCoords = NULL;
if(hasNormals()) normals = new ofVec3f[count];
if(hasTexCoords()) texCoords = new ofVec2f[count];
int pos = 0;
for(int i = 0; i < meshes.size(); i++) {
for(int j = 0; j < meshes[i]->faces.size(); j++) {
int pointCount = meshes[i]->faces[j]->points.size();
if(pointCount==3) {
for(int k = 0; k < pointCount; k++) {
coords[pos] = meshes[i]->faces[j]->points[k];
if(normals!=NULL) {
normals[pos] = meshes[i]->faces[j]->normals[k];
}
if(texCoords!=NULL) {
texCoords[pos] = meshes[i]->faces[j]->texCoords[k];
}
pos++;
}
} else {
// triangle fan
int triCount = pointCount - 2;
for(int tri = 0; tri < triCount; tri++) {
for(int p = 0; p < 3; p++) {
coords[pos] = meshes[i]->faces[j]->points[tri+p];
if(normals!=NULL) {
normals[pos] = meshes[i]->faces[j]->normals[tri+p];
}
if(texCoords!=NULL) {
texCoords[pos] = meshes[i]->faces[j]->texCoords[tri+p];
}
pos++;
}
}
}
}
}
vbo.clear();
vbo.setVertexData(coords, count, GL_STATIC_DRAW_ARB);
if(normals!=NULL) vbo.setNormalData(normals, count, GL_STATIC_DRAW_ARB);
if(texCoords!=NULL) vbo.setTexCoordData(texCoords, count, GL_STATIC_DRAW_ARB);
//delete [] coords;
if(normals!=NULL) delete [] normals;
if(texCoords!=NULL) delete [] texCoords;
vboCoordCount = count;
}
