/************************************************************
* draw
************************************************************/
void Mesh::drawSmooth() {
glBegin(GL_TRIANGLES);
for (unsigned int i = 0;i<triangles.size();++i)
{
Vec3Df col = this->materials[triangleMaterials[i]].Kd();
glColor3fv(col.pointer());
for (int v = 0; v < 3; v++) {
glNormal3f(vertices[triangles[i].v[v]].n[0], vertices[triangles[i].v[v]].n[1], vertices[triangles[i].v[v]].n[2]);
glVertex3f(vertices[triangles[i].v[v]].p[0], vertices[triangles[i].v[v]].p[1], vertices[triangles[i].v[v]].p[2]);
}
}
glEnd();
}
void Mesh::draw() {
glBegin(GL_TRIANGLES);
for (unsigned int i = 0;i<triangles.size();++i)
{
unsigned int triMat = triangleMaterials.at(i);
Vec3Df col = this->materials.at(triMat).Kd();
glColor3fv(col.pointer());
Vec3Df edge01 = vertices[triangles[i].v[1]].p - vertices[triangles[i].v[0]].p;
Vec3Df edge02 = vertices[triangles[i].v[2]].p - vertices[triangles[i].v[0]].p;
Vec3Df n = Vec3Df::crossProduct(edge01, edge02);
n.normalize();
glNormal3f(n[0], n[1], n[2]);
for (int v = 0; v < 3; v++) {
glVertex3f(vertices[triangles[i].v[v]].p[0], vertices[triangles[i].v[v]].p[1], vertices[triangles[i].v[v]].p[2]);
}
}
glEnd();
}